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Real lessons built by teachers on STEMEngine — standards-aligned math and science across thin-slicing, Thinking Classrooms (BTC), the 5E model, POGIL, NGSS phenomenon-based, and CER frameworks. Browse freely, then create a free account to unlock answer keys and a print-ready format.
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Math resources
227 lessons available
Algebra 1 Featured Teacher
חוקי חזקות: חזקה אפסית וחזקה בחזקה
כיתות 7-9 BTC Style / Thinking Classrooms
7 tasks 50 minPreview
Biology
Building Life's Molecules: Macromolecules, Enzymes & Biochemical Reactions
9th Grade 5E Model
8 tasks 50 minPreview
Biology
Divide & Conquer: Cell Cycle, Mitosis, and Cancer
9th Grade 5E Model
8 tasks 50 minPreview
Academic Development Featured Teacher
Breaking Numbers Apart: Prime Factorization
6th Grade, Level 1 BTC Style / Thinking Classrooms CCSS.MATH.4.OA.B.4
5 tasks 50 minPreview
Unknown - content inaccessible Featured Teacher
Are These Ratios Equal? Identifying Proportional Relationships
7th grade BTC Style / Thinking Classrooms MA.7.AR.4.1, MA.7.AR.4.5
5 tasks 40 minPreview
Advanced 6th Grade Math Featured Teacher
Keep-Change-Change: Operating on Integers and Rational Numbers
6th Grade Building thumbing classrooms style
7 tasks 50 minPreview
Middle School Math Featured Teacher
The Locker Problem: Patterns, Factors, and Collaborative Reasoning
6th–8th Grade (Mixed) BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.6.NS.B.4, CCSS.MATH.CONTENT.MP.3, CCSS.MATH.CONTENT.MP.7
7 tasks 50 minPreview
AP Calculus AB Featured Teacher
From Average to Instantaneous: Building the Derivative Concept
12th Grade BTC Style / Thinking Classrooms AP Calculus AB Learning Objectives CHA-2.B, CHA-2.D
7 tasks 50 minPreview
Grade 4 Math (Illustrative Mathematics) Featured Teacher
Fractions on the Number Line: Using Benchmarks of 1/2 and 1
4th Grade BTC Style / Thinking Classrooms
7 tasks 60 minPreview
Grade 4 Math (Illustrative Mathematics) Featured Teacher
Same Distance, Different Name: Equivalent Fractions on Number Lines
4th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.4.NF.A.1
7 tasks 60 minPreview
Grade 4 Math (Illustrative Mathematics) Featured Teacher
Fraction Strips to Number Lines: Discovering Equivalent Fractions
4th Grade BTC Style / Thinking Classrooms
6 tasks 60 minPreview
Grade 4 Math (Illustrative Mathematics) Featured Teacher
Same Denominator, Same Numerator: Who's Greater?
4th Grade BTC Style / Thinking Classrooms
7 tasks 60 minPreview
Biology
Energy Cycles: Photosynthesis & Cellular Respiration in Conversation
9th Grade 5E Model
7 tasks 50 minPreview
7th Grade Math
Subtracting Integers on a Number Line
7th Grade BTC Style / Thinking Classrooms
7 tasks 50 minPreview
Algebra 1
חוקי החזקות: כפל וחילוק עם בסיס זהה
9th Grade BTC Style / Thinking Classrooms
7 tasks 50 minPreview
Algebra 1
Slope: Reading the Rate of Change
9 BTC Style / Thinking Classrooms
10 tasks 70 minPreview
Algebra 1
Rate of Change: Reading the Slope in Every Context
9 BTC Style / Thinking Classrooms
9 tasks 70 minPreview
AP Statistics
The Empirical Rule: Unlocking the Normal Distribution
11th Grade BTC Style / Thinking Classrooms
7 tasks 50 minPreview
Precalculus
Slicing Cones: From Locus Definitions to Standard & General Form
11th Grade BTC Style / Thinking Classrooms
7 tasks 50 minPreview
Precalculus
Decomposing Motion: Parametric Equations & Planar Tracking
11th Grade BTC Style / Thinking Classrooms
7 tasks 50 minPreview
Precalculus
Vectors: From Head-to-Tail to Dot Product Work Projections
11th Grade BTC Style / Thinking Classrooms
7 tasks 50 minPreview
Precalculus
Polar Coordinates & Curves: From Points to Petals
11th Grade BTC Style / Thinking Classrooms
7 tasks 50 minPreview
Precalculus
Rewriting Toward the Target: Proving Trigonometric Identities
11th Grade BTC Style / Thinking Classrooms
7 tasks 50 minPreview
Precalculus
One Answer or Infinitely Many? Inverse Trig vs. Periodic Solutions
11th Grade BTC Style / Thinking Classrooms
7 tasks 50 minPreview
Algebra II
The Unit Circle: From Right Triangles to Circular Motion
11th Grade BTC Style / Thinking Classrooms
7 tasks 50 minPreview
Algebra II
Radical Equations & Rational Exponents: From Roots to Extraneous Solutions
11th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSN-RN.A.1, CCSS.MATH.CONTENT.HSA-REI.A.2
7 tasks 50 minPreview
Algebra 2
Holes, Asymptotes & End Behavior: Analyzing Rational Functions
11th Grade BTC Style / Thinking Classrooms
7 tasks 50 minPreview
Algebra II
Stacked Discounts & Inverses: Composing and Undoing Functions
11th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSF.BF.A.1c, CCSS.MATH.CONTENT.HSF.BF.B.4a, CCSS.MATH.CONTENT.HSF.BF.B.4b
7 tasks 50 minPreview
Honors Geometry III
Proof Playbook: Strategies, Pitfalls, and Power Moves for Geometric Proofs
9th BTC Style / Thinking Classrooms
7 tasks 50 minPreview
Algebra 2
Transformations of Parent Functions: Discovering a, b, h, k
11th Grade BTC Style / Thinking Classrooms
10 tasks 90 minPreview
Algebra II
Solving Exponential & Logarithmic Equations: From Form Fluency to Financial Modeling
11th Grade — Level III (Honors) BTC Style / Thinking Classrooms
7 tasks 50 minPreview
Algebra II
Complex Numbers: From Imaginary Roots to the Complex Plane
11th grade Honors — Level III (Honors) — Level III (Honors) BTC Style / Thinking Classrooms
10 tasks 90 minPreview
Algebra II
Three Forms of a Quadratic: Vertex, Factored, and Standard
11th grade Honors BTC Style / Thinking Classrooms
10 tasks 90 minPreview
8th Grade Math
Rational or Irrational? Classifying Numbers and Solving Root Equations
Grade 8 honors BTC Style / Thinking Classrooms
7 tasks 50 minPreview
8th Grade Math
Volumes of Cylinders, Cones, and Spheres
Grade 8 honors BTC Style / Thinking Classrooms
7 tasks 50 minPreview
8th Grade Math
The Pythagorean Theorem: From Right Triangles to Coordinate Distances
Grade 8 honors BTC Style / Thinking Classrooms
7 tasks 50 minPreview
8th Grade Math
Powers of Ten: Scientific Notation & Operations
Grade 8 honors BTC Style / Thinking Classrooms
7 tasks 50 minPreview
Algebra 1
Exponent Rules: From Repeated Multiplication to Multi-Rule Mastery
9th Grade BTC Style / Thinking Classrooms
7 tasks 60 minPreview
Math 6
Dividing Fractions with Tape Diagrams
6th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.6.NS.A.1
6 tasks 50 minPreview
8th Grade Math
Slope and Y-Intercept: From Graphs to Equations
Grade 8 honors BTC Style / Thinking Classrooms
7 tasks 50 minPreview
9th Grade Math
Placing Real Numbers: Rational, Irrational, and Everything In Between
9th Grade BTC Style / Thinking Classrooms
7 tasks 50 minPreview
6th Grade Math
Reasoning to Find Area: Composition and Decomposition
Advanced 6th Grade Math BTC Style / Thinking Classrooms 6.G.3Measurement: Students identify geometric attributes that create two- and three-dimensional shapes in order to perform measurements and apply formulas to find area and volume. 6.G.3.aDetermine the area of quadrilaterals and triangles by composition and decomposition of these shapes, as well as applications of properties and formulas. Quadrilaterals include parallelograms and trapezoids.
9 tasks 40 minPreview
6th Grade Math
Place Value to Billions: Reading, Writing, and Reasoning with Large Numbers
6th Grade BTC Style / Thinking Classrooms
7 tasks 50 minPreview
7th Grade Math
Angle Relationships: Street Intersections & Truss Beams
7th Grade BTC Style / Thinking Classrooms
7 tasks 45 minPreview
7th Grade Math
Pizza Pi: Sizing Circles and Watering Lawns
7th Grade 3-Act Math
6 tasks 45 minPreview
7th Grade Math
Scale Drawings and Scale Factor: Reading Floor Plans and Map Distances
7th Grade BTC Style / Thinking Classrooms
7 tasks 50 minPreview
7th Grade Math
The Restaurant Receipt: Tax, Tip, and the True Total
7th Grade 3-Act Math
6 tasks 50 minPreview
6th Grade Math
Multiplying Fractions: From Parts of a Whole to Mixed Number Mastery
6th Grade BTC Style / Thinking Classrooms
7 tasks 50 minPreview
7th Grade Math
Balancing Acts: Solving Two-Step Equations & Inequalities
7th Grade BTC Style / Thinking Classrooms
7 tasks 45 minPreview
7th Grade Math
The Bank Account Rollercoaster: Tracking Transactions & Temperature
7th Grade 3-Act Math
7 tasks 45 minPreview
6th Grade Math
Who's Watching? Age Demographics at the Movies
6th Grade 3-Act Math
6 tasks 45 minPreview
6th Grade Math
Fair Pay or Foul Play? Analyzing Salary Data
6th Grade 3-Act Math
6 tasks 45 minPreview
6th Grade Math
Wrap It Up: Surface Area of Prisms and Pyramids Using Nets
6th Grade 3-Act Math
6 tasks 45 minPreview
6th Grade Math
Turf & Tile: Area of Triangles and Special Quadrilaterals
6th Grade 3-Act Math
6 tasks 45 minPreview
4th Grade Math
Breaking It Apart: Multi-Digit Multiplication with the Area Model
4th Grade gradual-release
6 tasks 45 minPreview
7th Grade Science
Mystery Mixtures: Reading the Evidence for Chemical vs. Physical Change
7th Grade workshop
7 tasks 50 minPreview
7th Grade Life Science
Who's in Charge? Wolves, Otters, and the Ripple Effect Through Food Webs
7th Grade 5E Model
8 tasks 50 minPreview
6th Grade Math
Deals, Discounts, and Dead Batteries: Percentages as Ratios Out of 100
6th Grade 3-Act Math CCSS.MATH.CONTENT.6.RP.A.3c
7 tasks 45 minPreview
6th Grade Math
The Missing Receipt: Solving One-Step Equations
6th Grade 3-Act Math CCSS.MATH.CONTENT.6.EE.B.7
6 tasks 45 minPreview
6th Grade Math
Ticket to the Show: Writing and Evaluating Algebraic Expressions
6th Grade 3-Act Math
7 tasks 45 minPreview
6th Grade Math
Sale or No Sale? Percentages, Discounts, and Battery Bars
6th Grade 3-Act Math CCSS.MATH.CONTENT.6.RP.A.3c
6 tasks 45 minPreview
6th Grade Math
Comparing Rates: Grocery Prices and Fuel Efficiency
6th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.6.RP.A.1, CCSS.MATH.CONTENT.6.RP.A.2, CCSS.MATH.CONTENT.6.RP.A.3b
7 tasks 45 minPreview
5th Grade Math
Growing Data: Line Plots with Fractional Measurements
5th Grade Universal Design for Learning CCSS.MATH.CONTENT.5.MD.B.2
7 tasks 45 minPreview
5th Grade Math
Shape Architects: Classifying 2D Figures in a Hierarchy
5th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.5.G.B.3, CCSS.MATH.CONTENT.5.G.B.4
7 tasks 45 minPreview
5th Grade Math
Sharing Snacks & Craft Supplies: Dividing Unit Fractions and Whole Numbers
5th Grade 3-Act Math CCSS.MATH.CONTENT.5.NF.B.7, CCSS.MATH.CONTENT.5.NF.B.7a, CCSS.MATH.CONTENT.5.NF.B.7b
5 tasks 45 minPreview
5th Grade Math
Decimal Place Value and Comparison to Thousandths: Olympic Sprint Times
5th Grade Universal Design for Learning
6 tasks 45 minPreview
5th Grade Math
Garden Bed Blueprints: Multiplying Fractions to Plan the Perfect Plot
5th Grade 3-Act Math CCSS.MATH.CONTENT.5.NF.B.4, CCSS.MATH.CONTENT.5.NF.B.4a, CCSS.MATH.CONTENT.5.NF.B.6
6 tasks 45 minPreview
5th Grade Math
Baking with Broken Denominators: Adding & Subtracting Fractions with Unlike Denominators
5th Grade BTC Style / Thinking Classrooms
6 tasks 45 minPreview
Physical Science
Why Don't Satellites Fall? Gravity, Orbital Motion, and Space Debris
8th Grade NGSS Phenomenon-Based MS-PS2-4, MS-ESS1-2
4 tasks 45 minPreview
8th Grade Physical Science
Waves, Signals, and the Digital World: Analog vs. Digital Transmission
8th Grade 5E Model
7 tasks 45 minPreview
8th Grade Physical Science
Heat in Motion: Thermal Energy Transfer and Particle Behavior
8th Grade 5E Model
7 tasks 45 minPreview
8th Grade Physical Science
Conservation of Mass: Atoms Don't Disappear — They Rearrange
8th Grade Universal Design for Learning
7 tasks 45 minPreview
8th Grade Physical Science
Wave Properties and the Electromagnetic Spectrum: Why Does Wavelength Matter?
8th Grade Claim-Evidence-Reasoning
7 tasks 45 minPreview
8th Grade Physical Science
Drop, Roll, and Transform: Energy on the Move
8th Grade NGSS Phenomenon-Based MS-PS3-2, MS-PS3-5
5 tasks 45 minPreview
8th Grade Physical Science
Crash, Launch, Collide: Discovering Newton's Three Laws
8th Grade BTC Style / Thinking Classrooms MS-PS2-1, MS-PS2-2
7 tasks 45 minPreview
7th Grade Life Science
Urban Sprawl, Wildlife Corridors, and Biodiversity: Human Impact on Ecosystems
7th Grade 5E Model
7 tasks 45 minPreview
7th Grade Life Science
Urban Sprawl, Wildlife Corridors, and Biodiversity: Human Impact on Ecosystems
7th Grade 5E Model MS-LS2-4, MS-LS2-5, MS-ESS3-3
7 tasks 45 minPreview
Algebra I
Real Talk: Writing & Solving Linear Inequality Applications
8th or 9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSA.REI.B.3, CCSS.MATH.CONTENT.7.EE.B.4b
14 tasks 60 minPreview
Algebra I
How Far From Zero? Absolute Value in the Real World
8th or 9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSA.REI.B.3, CCSS.MATH.CONTENT.6.NS.C.7
10 tasks 80 minPreview
Algebra I
How Far From Home? Solving Absolute Value Equations
8th or 9th Grade 3-Act Math CCSS.MATH.CONTENT.HSA.REI.B.3, CCSS.MATH.CONTENT.HSA.CED.A.1
7 tasks 50 minPreview
Algebra I
Factor, Zero, Solve! Cracking Quadratics by Factoring
8th or 9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSA.REI.B.4b, CCSS.MATH.CONTENT.HSA.SSE.B.3a
7 tasks 50 minPreview
7th Grade Life Science
Survival of the Fittest: Natural Selection, Adaptation, and Antibiotic Resistance
7th Grade Claim-Evidence-Reasoning MS-LS4-4, MS-LS4-6
7 tasks 45 minPreview
7th Grade Life Science
Why Does a Black Cow Have a Brown Calf? Allele Inheritance, Punnett Squares & Pedigree Analysis
7th Grade NGSS Phenomenon-Based MS-LS3-2, MS-LS3-1
4 tasks 45 minPreview
7th Grade Life Science
Sugar Factories & Energy Engines: Photosynthesis and Cellular Respiration
7th Grade 5E Model MS-LS1-6, MS-LS1-7, MS-PS3-3
7 tasks 45 minPreview
6th Grade Earth Science
Reading Earth's History: Geologic Time Scale and Fossil Evidence
6th Grade Claim-Evidence-Reasoning MS-ESS1-4, MS-ESS2-3
7 tasks 45 minPreview
6th Grade Earth Science
Why Do We Have Seasons? Axial Tilt, Sunlight Angles, and the Earth-Sun-Moon System
6th Grade 5E Model MS-ESS1-1, MS-ESS1-2
7 tasks 45 minPreview
6th Grade Earth Science
Why Doesn't Every Place at the Same Latitude Feel the Same? Factors Affecting Climate and Regional Climate Belts
6th Grade Universal Design for Learning MS-ESS2-6, MS-ESS3-5
7 tasks 45 minPreview
6th Grade Earth Science
Why Did the Weather Change So Fast? Air Masses, Fronts, and Severe Weather
6th Grade NGSS Phenomenon-Based MS-ESS2-5, MS-ESS2-6
6 tasks 45 minPreview
6th Grade Earth Science
Where Does the Water Go? Thermal Energy and the Water Cycle
6th Grade BTC Style / Thinking Classrooms
7 tasks 45 minPreview
6th Grade Earth Science
Why Do Hurricanes Curve? Atmospheric and Oceanic Circulation
6th Grade Claim-Evidence-Reasoning MS-ESS2-5, MS-ESS2-6
7 tasks 45 minPreview
6th Grade Earth & Space Science
Cracking the Ocean Floor: Seafloor Spreading and Plate Tectonics
6th Grade NGSS Phenomenon-Based MS-ESS2-1, MS-ESS2-2, MS-ESS3-2
4 tasks 45 minPreview
5th Grade Science
Gravity's Pull: Why Everything Falls Toward Earth's Center
5th Grade Claim-Evidence-Reasoning 5-PS2-1, 3-5-ETS1-3
6 tasks 45 minPreview
5th Grade Science
Why Do Stars Look Different? Brightness, Distance, and the Night Sky
5th Grade 5E Model 5-ESS1-1, 5-ESS1-2
7 tasks 45 minPreview
5th Grade Science
Where Does a Tree's Mass Come From? Air, Water, and the Mystery of Plant Growth
5th Grade NGSS Phenomenon-Based 5-LS1-1, 5-PS3-1
6 tasks 45 minPreview
5th Grade Science
Energy Flow in Ecosystems: Food Webs, Decomposers & Wetland Invaders
5th Grade 5E Model 5-LS2-1, 5-LS2-2
7 tasks 45 minPreview
5th Grade Science
Every Drop Counts: Distribution of Earth's Water & Freshwater Availability
5th Grade Universal Design for Learning 5-ESS2-2, 5-ESS3-1
6 tasks 45 minPreview
5th Grade Science
Earth's Spheres: How Do They Talk to Each Other?
5th Grade Claim-Evidence-Reasoning 5-ESS2-1, 5-ESS2-2
7 tasks 45 minPreview
5th Grade Science
Where Did the Mass Go? Exploring Conservation of Mass in Chemical Reactions
5th Grade NGSS Phenomenon-Based 5-PS1-2, 5-PS1-4
6 tasks 45 minPreview
5th Grade Science
Matter Matters: Particles, Properties, and Purification
5th Grade 5E Model 5-PS1-1, 5-PS1-2, 5-PS1-3
7 tasks 45 minPreview
4th Grade Science
Power Up Our City: Renewable vs. Non-Renewable Energy Resources
4th Grade Universal Design for Learning 4-ESS3-1, 4-ESS3-2
7 tasks 45 minPreview
4th Grade Science
Breaking Down and Moving On: Weathering and Erosion Processes
4th Grade 5E Model 4-ESS2-1, 4-ESS2-2
7 tasks 45 minPreview
4th Grade Science
Reading Earth's Pages: Rock Layers and Fossil Evidence
4th Grade Claim-Evidence-Reasoning 4-ESS1-1, 3-LS4-1
6 tasks 45 minPreview
4th Grade Science
From Skin to Brain: How Your Body Detects and Responds to the World
4th Grade NGSS Phenomenon-Based 4-LS1-2, 4-LS1-1
5 tasks 45 minPreview
4th Grade Science
Built for Survival: Internal and External Structures of Plants and Animals
4th Grade 5E Model 4-LS1-1, 4-LS1-2
7 tasks 45 minPreview
4th Grade Science
Sending Signals: How Waves Carry Information
4th Grade Claim-Evidence-Reasoning 4-PS4-3
7 tasks 45 minPreview
4th Grade Science
Light, Reflection, and Vision: Bicycle Reflectors and Periscopes
4th Grade NGSS Phenomenon-Based 4-PS4-2, 4-PS4-1
5 tasks 45 minPreview
4th Grade Science
Crash Science: How Do Bumpers and Helmets Save Lives?
4th Grade NGSS Phenomenon-Based 4-PS3-3, 4-PS3-1
5 tasks 45 minPreview
4th Grade Science
Speed, Motion, and Energy: Designing Runaway Truck Ramps
4th Grade 5E Model 4-PS3-1, 4-PS3-3
7 tasks 45 minPreview
3rd Grade Science
Building Safer Communities: Reducing Weather-Related Hazards
3rd Grade 5E Model 3-ESS3-1, 3-ESS2-1
7 tasks 45 minPreview
3rd Grade Science
Weather vs. Climate & Seasonal Weather Patterns: From Daily Forecasts to Farming Decisions
3rd Grade Universal Design for Learning 3-ESS2-1, 3-ESS2-2
7 tasks 45 minPreview
3rd Grade Science
Adaptations & Survival: How Living Things Fit Their World
3rd Grade 5E Model 3-LS4-2, 3-LS4-3, 3-LS3-2
7 tasks 45 minPreview
3rd Grade Science
Clues in the Rock: What Fossils Tell Us About Ancient Worlds
3rd Grade NGSS Phenomenon-Based 3-LS4-1, 3-LS4-2
5 tasks 45 minPreview
3rd Grade Science
Why Do Living Things Look Different? Inherited Traits & Environmental Variations
3rd Grade Claim-Evidence-Reasoning 3-LS3-1, 3-LS3-2
6 tasks 45 minPreview
3rd Grade Science
Push, Pull, and Power: Electric & Magnetic Forces
3rd Grade 5E Model 3-PS2-3, 3-PS2-4
7 tasks 45 minPreview
3rd Grade Science
Tick, Tock, Swing & Rock: Predicting Patterns of Motion
3rd Grade NGSS Phenomenon-Based 3-PS2-2, 3-PS2-1
4 tasks 45 minPreview
3rd Grade Science
Push, Pull, and Stay Still: Balanced & Unbalanced Forces
3rd Grade 5E Model 3-PS2-1, 3-PS2-2
7 tasks 45 minPreview
Geometry
Beyond Right Triangles: Law of Sines, Law of Cosines & the Ambiguous Case
High School Universal Design for Learning CCSS.MATH.CONTENT.HSG.SRT.D.10, CCSS.MATH.CONTENT.HSG.SRT.D.11
9 tasks 70 minPreview
Geometry
Parallel Lines Cut by a Transversal: Angle Relationships
High School Universal Design for Learning CCSS.MATH.CONTENT.8.G.A.5
7 tasks 60 minPreview
Geometry
Compass & Straightedge: Classical Geometric Constructions
High School Universal Design for Learning CCSS.MATH.CONTENT.HSG.CO.D.12, CCSS.MATH.CONTENT.HSG.CO.D.13
7 tasks 50 minPreview
Geometry
If–Then Logic and Two-Column Proofs: Conditionals, Converses, and Introductory Geometric Reasoning
High School Universal Design for Learning CCSS.MATH.CONTENT.HSG-CO.C.9,CCSS.MATH.CONTENT.HSG-CO.C.10
7 tasks 50 minPreview
Geometry
Unwrapping 3D Solids: Volume & Surface Area from Prisms to Spheres
High School BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSG.GMD.A.1, CCSS.MATH.CONTENT.HSG.GMD.A.3, CCSS.MATH.CONTENT.HSG.MG.A.1
7 tasks 50 minPreview
Geometry
Circles: From Central Angles to Secants, Tangents & Sector Area
High School BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSG.C.A.2,CCSS.MATH.CONTENT.HSG.C.A.3,CCSS.MATH.CONTENT.HSG.C.B.5
7 tasks 50 minPreview
Geometry
Proving Quadrilateral Properties Using Coordinates
High School BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSG.GPE.B.4, CCSS.MATH.CONTENT.HSG.GPE.B.5, CCSS.MATH.CONTENT.HSG.CO.C.11
7 tasks 50 minPreview
Geometry
Zoom In, Zoom Out: Dilations, Scale Factor & Triangle Similarity
High School BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSG.SRT.A.1, CCSS.MATH.CONTENT.HSG.SRT.A.3, CCSS.MATH.CONTENT.HSG.SRT.B.5
7 tasks 50 minPreview
Geometry
Centers of Triangles: Bisectors, Medians, Altitudes & Inequalities
High School BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSG.CO.C.10, CCSS.MATH.CONTENT.HSG.CO.D.12
7 tasks 50 minPreview
Geometry
Triangle Congruence Criteria: From Recognition to Proof
High School BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSG.CO.B.8, CCSS.MATH.CONTENT.HSG.CO.C.10
6 tasks 50 minPreview
Geometry
Rigid Transformations: Preserving Shape, Changing Position
High School BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSG.CO.A.2, CCSS.MATH.CONTENT.HSG.CO.A.4, CCSS.MATH.CONTENT.HSG.CO.B.6
6 tasks 50 minPreview
Geometry
Tower Grids & Fiber Routes: From Segment Addition to Distance & Midpoint on the Coordinate Plane
High School BTC Style / Thinking Classrooms HSG.CO.A.1 / HSG.GPE.B.6 / HSG.GPE.B.7
7 tasks 50 minPreview
4th Grade Math
Blueprint Geometry: Lines, Angles, and Symmetry in Structural Design
4th Grade BTC Style / Thinking Classrooms 4.G.A.1 / 4.G.A.2 / 4.G.A.3
7 tasks 50 minPreview
4th Grade Math
Shell Lengths & Sea Creatures: Line Plots with Fractional Data
4th Grade BTC Style / Thinking Classrooms CCSS.4.MD.B.4
7 tasks 50 minPreview
4th Grade Math
Measuring the Trail: Unit Conversions for Wildlife Habitat Restoration
4th Grade BTC Style / Thinking Classrooms CCSS.4.MD.A.1 / CCSS.4.MD.A.2
7 tasks 50 minPreview
4th Grade Math
Angles in Action: Measuring, Building, and Breaking Apart Angles for Sustainable Architecture
4th Grade BTC Style / Thinking Classrooms CCSS.4.MD.C.5 / CCSS.4.MD.C.6 / CCSS.4.MD.C.7
7 tasks 50 minPreview
4th Grade Math
Track Timing: Decimals as Fractions on the Hundredths Grid
4th Grade BTC Style / Thinking Classrooms CCSS.4.NF.C.5 / CCSS.4.NF.C.6 / CCSS.4.NF.C.7
7 tasks 50 minPreview
4th Grade Math
Field Lines and Fraction Times: Multiplying Fractions by Whole Numbers
4th Grade BTC Style / Thinking Classrooms CCSS.4.NF.B.4
7 tasks 50 minPreview
4th Grade Math
Bakery Batch Math: Adding & Subtracting Fractions with Like Denominators
4th Grade BTC Style / Thinking Classrooms CCSS.4.NF.B.3
7 tasks 50 minPreview
4th Grade Math
Dye Blending & Fraction Matching: Equivalent Fractions and Comparison in the Textile Studio
4th Grade BTC Style / Thinking Classrooms 4.NF.A.1 / 4.NF.A.2
7 tasks 50 minPreview
4th Grade Math
Seating by Design: Factors, Multiples, and Prime vs. Composite
4th Grade BTC Style / Thinking Classrooms CCSS.4.OA.B.4
7 tasks 50 minPreview
4th Grade Math
Packing the Cargo: Multi-Digit Division with Area Models & Partial Quotients
4th Grade BTC Style / Thinking Classrooms 4.NBT.B.6 / 4.OA.A.3
7 tasks 50 minPreview
4th Grade Math
Solar Array Multiplication: Area Models & Partial Products
4th Grade BTC Style / Thinking Classrooms CCSS.4.NBT.B.5
7 tasks 50 minPreview
3rd Grade Math
Stained-Glass Shape Detectives: Classifying Quadrilaterals by Attributes
3rd Grade BTC Style / Thinking Classrooms 3.G.A.1
7 tasks 50 minPreview
3rd Grade Math
Ocean Census: Scaled Graphs at the Marine Sanctuary
3rd Grade BTC Style / Thinking Classrooms CCSS.3.MD.B.3
6 tasks 50 minPreview
3rd Grade Math
Wildlife Clinic Weigh-In: Measuring Mass and Liquid Volume in Metric Units
3rd Grade BTC Style / Thinking Classrooms CCSS.3.MD.A.2
7 tasks 50 minPreview
3rd Grade Math
Transit Hub Time Keepers: Reading Clocks and Tracking Elapsed Time
3rd Grade BTC Style / Thinking Classrooms CCSS.3.MD.A.1
7 tasks 50 minPreview
3rd Grade Math
Fencing the Animal Sanctuary: Perimeter, Area, and Missing Sides
3rd Grade BTC Style / Thinking Classrooms CCSS.3.MD.D.8
7 tasks 50 minPreview
3rd Grade Math
Tile the Park: Discovering Area Through Blueprint Design
3rd Grade BTC Style / Thinking Classrooms 3.MD.C.6 / 3.MD.C.7
6 tasks 50 minPreview
3rd Grade Math
Baker's Fraction Challenge: Comparing Fractions with Area Models
3rd Grade BTC Style / Thinking Classrooms CCSS.3.NF.A.3d
7 tasks 50 minPreview
3rd Grade Math
Mission Control: Rounding to the Nearest 10 and 100
3rd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.3.NBT.A.1
6 tasks 50 minPreview
3rd Grade Math
The Mosaic Code: Cracking Patterns on the Multiplication Grid
3rd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.3.OA.B.5, CCSS.MATH.CONTENT.3.OA.D.9, CCSS.MATH.CONTENT.3.OA.C.7
7 tasks 50 minPreview
3rd Grade Math
The Hidden Question: Cracking Two-Step Word Problems
3rd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.3.OA.D.8, CCSS.MATH.CONTENT.3.OA.A.3
6 tasks 50 minPreview
3rd Grade Math
Vault Breakers: Cracking the 7s and 9s Code
3rd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.3.OA.B.5, CCSS.MATH.CONTENT.3.OA.B.6, CCSS.MATH.CONTENT.3.OA.C.7
6 tasks 50 minPreview
3rd Grade Math
The Array Chopper: Splitting Big Facts into Small, Known Facts
3rd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.3.OA.B.5, CCSS.MATH.CONTENT.3.OA.C.7
7 tasks 50 minPreview
3rd Grade Math
Who Has More? Cracking the Code of Multiplication & Division Word Problems
3rd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.3.OA.A.1, CCSS.MATH.CONTENT.3.OA.A.2, CCSS.MATH.CONTENT.3.OA.A.3
6 tasks 50 minPreview
3rd Grade Math
The Fact Factory: Unlocking Multiplication & Division Superpowers with 2s, 5s, 10s, 0s, and 1s
3rd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.3.OA.B.5, CCSS.MATH.CONTENT.3.OA.B.6, CCSS.MATH.CONTENT.3.OA.C.7
6 tasks 50 minPreview
3rd Grade Math
Space Station Supply Drop: Discovering Division Two Ways
3rd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.3.OA.A.2, CCSS.MATH.CONTENT.3.OA.A.3, CCSS.MATH.CONTENT.3.OA.B.6
6 tasks 50 minPreview
2nd Grade Mathematics
Shape Detectives & the Fair Share Bakery: A Geometry Capstone
2nd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.2.G.A.1, CCSS.MATH.CONTENT.2.G.A.2, CCSS.MATH.CONTENT.2.G.A.3
5 tasks 60 minPreview
2nd Grade Math
The Farmstand Coin Vault: Counting, Combining & Making Change
2nd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.2.MD.C.8
7 tasks 50 minPreview
2nd Grade Mathematics
Mission Control: Reading the Clock Like a Pro
2nd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.2.MD.C.7
7 tasks 50 minPreview
2nd Grade Math
Zero Busters: Flexible Strategies for 3-Digit Subtraction
2nd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.2.NBT.B.7, CCSS.MATH.CONTENT.2.NBT.B.9
7 tasks 50 minPreview
2nd Grade Math
Creature Cartographers: Measuring the World One Unit at a Time
2nd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.2.MD.A.1, CCSS.MATH.CONTENT.2.MD.A.2, CCSS.MATH.CONTENT.2.MD.A.4
6 tasks 50 minPreview
2nd Grade Math
The Hidden Question: Solving Two-Step Word Problems
2nd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.2.OA.A.1
7 tasks 50 minPreview
2nd Grade Math
Mountain Gap Jumpers: Three Strategies for Subtraction to 100
2nd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.2.NBT.B.5, CCSS.MATH.CONTENT.2.NBT.B.9
7 tasks 50 minPreview
2nd Grade Math
The Place Value Portal: Mental Jumps of 10 and 100
2nd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.2.NBT.B.8
7 tasks 50 minPreview
2nd Grade Math
Number Detectives: Cracking the Code of 3-Digit Comparisons
2nd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.2.NBT.A.4
7 tasks 50 minPreview
2nd Grade Math
Number Jumpers: Skip-Counting by 5s, 10s, and 100s from Any Number
2nd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.2.NBT.A.2
7 tasks 50 minPreview
2nd Grade Mathematics
The Power of Bundling: Unlocking Hundreds, Tens, and Ones
2nd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.2.NBT.A.1, CCSS.MATH.CONTENT.2.NBT.A.1a, CCSS.MATH.CONTENT.2.NBT.A.3
7 tasks 50 minPreview
2nd Grade Mathematics
The Power of Bundling: Unlocking Hundreds, Tens, and Ones
2nd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.2.NBT.A.1, CCSS.MATH.CONTENT.2.NBT.A.1a, CCSS.MATH.CONTENT.2.NBT.A.3
7 tasks 50 minPreview
2nd Grade Mathematics
The Buddy System: Uncovering Even and Odd Numbers Through Pairing and Doubles
2nd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.2.OA.C.3, CCSS.MATH.CONTENT.2.OA.B.2
7 tasks 50 minPreview
2nd Grade Mathematics
Unmasking the Story: Solving Result, Change, and Start Unknown Word Problems
2nd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.2.OA.A.1
6 tasks 50 minPreview
2nd Grade Mathematics
Farmer Dan's Egg Carton Snap: Make a 10 Mental Math Superpower
2nd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.2.OA.B.2, CCSS.MATH.CONTENT.1.OA.C.6
7 tasks 50 minPreview
Statistics (Introductory Statistics)
What's the Story Behind the Number? Populations, Samples, Parameters, and Data Types
High School (grades 11–12) or introductory college-level Statistics BTC Style / Thinking Classrooms HSS-IC.A.1, HSS-ID.A.1
7 tasks 50 minPreview
Algebra I
Roots Revealed: Graphing Square Root & Cube Root Transformations
8th or 9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSF.IF.C.7b, CCSS.MATH.CONTENT.HSF.BF.B.3
7 tasks 60 minPreview
Algebra I
Unmasking the Phantoms: Solving Radical Equations & Extraneous Solutions
8th or 9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSA.REI.A.2
7 tasks 60 minPreview
Algebra I
Radical Operations: Combining, Multiplying, and Rationalizing
8th or 9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSN.RN.A.2, CCSS.MATH.CONTENT.HSN.RN.B.3
7 tasks 60 minPreview
Algebra I
Unpacking the Radical: Geometric Area & Simplifying Square Roots
8th or 9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.8.EE.A.2
7 tasks 60 minPreview
Algebra I
The Quadratic Rosetta Stone: Unlocking Three Forms of Parabolas
8th or 9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSF.IF.C.8a, CCSS.MATH.CONTENT.HSA.SSE.B.3a, CCSS.MATH.CONTENT.HSA.SSE.B.3b
7 tasks 60 minPreview
Algebra I
The Master Key: The Quadratic Formula and The Discriminant
8th or 9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSA.REI.B.4b, CCSS.MATH.CONTENT.HSA.REI.B.4a
7 tasks 60 minPreview
Algebra I
Solving Quadratics: Completing the Square (The Missing Corner)
8th or 9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSA.REI.B.4, CCSS.MATH.CONTENT.HSA.SSE.B.3b
7 tasks 60 minPreview
Algebra 1
Special Factoring Patterns: Difference of Squares & Perfect Square Trinomials
8th or 9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSA.SSE.A.2,CCSS.MATH.CONTENT.HSA.SSE.B.3
14 tasks 60 minPreview
Algebra I
Advanced Factoring: Unlocking ax² + bx + c (The a·c Method)
8th or 9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSA.SSE.A.2,CCSS.MATH.CONTENT.HSA.SSE.B.3a
14 tasks 60 minPreview
Algebra I
Cracking the Box: Factoring Quadratic Trinomials with the Area Model
8th or 9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSA.SSE.A.2, CCSS.MATH.CONTENT.HSA.SSE.B.3a
7 tasks 60 minPreview
Algebra 1
Linear vs. Exponential Modeling: The Long Game
8th or 9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSF.LE.A.1, CCSS.MATH.CONTENT.HSF.LE.A.2, CCSS.MATH.CONTENT.8.F.A.3
7 tasks 60 minPreview
Algebra I
Breaking the Code of Exponents (Discovering Exponential Laws)
8th or 9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.8.EE.A.1
7 tasks 60 minPreview
Algebra 1
Viral, Splitting, and Shrinking: Discovering Exponential Growth
8th-9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSF.LE.A.1, CCSS.MATH.CONTENT.HSF.LE.A.2, CCSS.MATH.CONTENT.8.F.A.3
7 tasks 60 minPreview
Algebra 1
Side Hustle Math: Systems of Linear Inequalities & the Feasible Region
8th-9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSA.REI.D.12
7 tasks 60 minPreview
Algebra 1
The Zero-Out Strategy: Solving Systems by Elimination
8th or 9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.8.EE.C.8b, CCSS.MATH.CONTENT.HSA.REI.C.5
7 tasks 60 minPreview
Algebra 1
The Value Swap: Solving Systems by Substitution
8th or 9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.8.EE.C.8b, CCSS.MATH.CONTENT.HSA.REI.C.6
7 tasks 60 minPreview
Algebra 1
Two Lines, One Answer: Discovering Systems of Linear Equations
8th or 9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.8.EE.C.8a, CCSS.MATH.CONTENT.8.EE.C.8b, CCSS.MATH.CONTENT.HSA.REI.C.6
7 tasks 60 minPreview
Algebra 1
Investigating Slopes of Parallel and Perpendicular Lines (The Grid Crossings)
8th or 9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSG.GPE.B.5, CCSS.MATH.CONTENT.8.EE.B.6
7 tasks 60 minPreview
Algebra 1
Ticket Sales & Standard Form: Intercepts, Cover-Up, and the Power of Ax + By = C
8th or 9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.8.EE.B.5, CCSS.MATH.CONTENT.HSA.CED.A.2, CCSS.MATH.CONTENT.HSA.REI.D.10
7 tasks 60 minPreview
Algebra 1
The Submarine Descent: Discovering Point-Slope Form
8th or 9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.8.EE.B.6, CCSS.MATH.CONTENT.HSA.CED.A.2, CCSS.MATH.CONTENT.HSF.LE.A.2
7 tasks 60 minPreview
Algebra 1
Discovering Slope and Constant Rates of Change (The Staircase Dilemma)
8th or 9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.8.EE.B.5, CCSS.MATH.CONTENT.8.EE.B.6, CCSS.MATH.CONTENT.HSF.IF.B.6
7 tasks 60 minPreview
Algebra 1
The Budget Constraint: Modeling and Solving Linear Inequalities
8th or 9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSA.REI.B.3, CCSS.MATH.CONTENT.7.EE.B.4b
14 tasks 60 minPreview
Algebra 1
Unit 1, Lesson 2: Solving Equations with Variables on Both Sides — The Balance Scale Model
8th-9th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.8.EE.C.7, CCSS.MATH.CONTENT.8.EE.C.7b
7 tasks 60 minPreview
Algebra 1
Unlocking Formulas: Solving Literal Equations
9th Grade BTC Style / Thinking Classrooms CCSS.HSA-CED.A.4
7 tasks 50 minPreview
AP Calculus AB
FTC Part 1: Accumulation Functions and the Rate-Distance Connection
11th-12th Grade BTC Style / Thinking Classrooms AP Calculus AB Learning Objective FUN-5.A, FUN-5.B
7 tasks 50 minPreview
4th Grade Earth & Space Science
Power Up Pleasantville: Renewable vs. Nonrenewable Energy for Our Town
4th Grade BTC Style / Thinking Classrooms 4-ESS3-1
7 tasks 50 minPreview
4th Grade Math
Escape the Pattern Vault: Algebraic Rules & Growing Sequences
4th Grade BTC Style / Thinking Classrooms
7 tasks 50 minPreview
3rd Grade Math
Fraction Detectives: Cracking the Equal Parts Code
3rd Grade BTC Style / Thinking Classrooms
7 tasks 50 minPreview
3rd Grade Science
Weather vs. Climate: Reading the Sky Across Biomes
3rd Grade BTC Style / Thinking Classrooms
6 tasks 50 minPreview
High School Biology
The Dangerous IV Mix-Up: Osmosis, Tonicity, and the Life-or-Death Chemistry of Cells
9th/10th Grade NGSS Phenomenon-Based NGSS HS-LS1-2, HS-LS1-3
6 tasks 50 minPreview
AP Statistics
Verdict Errors and Statistical Power: Understanding Type I, Type II Errors in Hypothesis Testing
11th-12th Grade BTC Style / Thinking Classrooms AP Stats CED 6.7, 7.4
7 tasks 50 minPreview
AP Calculus
Toll Road Speed Trap: From Average to Instantaneous Rate of Change
11th-12th Grade BTC Style / Thinking Classrooms CHA-2.A, CHA-2.B
7 tasks 50 minPreview
Algebra II
Zombie Outbreak: Unlocking Logarithms as the Inverse of Exponential Functions
10th-11th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.HSF.BF.B.4.A, CCSS.MATH.CONTENT.HSF.LE.A.4
7 tasks 50 minPreview
Geometry
Discovering SOH-CAH-TOA: NASA Satellite Dish Shadow Ratios
9th-10th Grade BTC Style / Thinking Classrooms HSG.SRT.C.6, HSG.SRT.C.8
7 tasks 50 minPreview
8th Grade Science
The Disappearing Act: Conservation of Mass in Chemical Reactions
8th Grade NGSS Phenomenon-Based NGSS MS-PS1-5
6 tasks 50 minPreview
7th Grade Mathematics
Bar Models to Balance: Solving Multi-Step Equations with Concert Ticket Pricing
7th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.7.EE.B.4.A
7 tasks 50 minPreview
7th Grade Science
The Sealed Garden: How Does Life Sustain Itself Without Anything New?
7th Grade NGSS Phenomenon-Based NGSS MS-LS1-6, MS-LS1-7
6 tasks 50 minPreview
6th Grade Science
The July-December Switch: Why Axial Tilt — Not Distance — Causes Earth's Seasons
6th Grade Claim-Evidence-Reasoning NGSS MS-ESS1-1
7 tasks 50 minPreview
6th Grade Mathematics
The Perfect Neon Green Paint Disaster: Understanding Ratios & Equivalence with Tape Diagrams
6th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.6.RP.A.1, CCSS.MATH.CONTENT.6.RP.A.3
7 tasks 50 minPreview
5th Grade Science
The Day the Kelp Forest Disappeared: Tracing Matter Through a Broken Web
5th Grade NGSS Phenomenon-Based NGSS 5-LS2-1
6 tasks 50 minPreview
5th Grade Mathematics
The Missing Pizza Mystery: Adding Fractions with Unlike Denominators Visually
5th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.5.NF.A.1
7 tasks 50 minPreview
4th Grade Mathematics
Community Garden Grid: Multiplying 2-Digit Numbers with Area Models and Partial Products
4th Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.4.NBT.B.5
7 tasks 50 minPreview
4th Grade Science
Bump, Crash, Transfer! Energy in Motion at the Bumper Car Arena
4th Grade NGSS Phenomenon-Based NGSS 4-PS3-3
6 tasks 50 minPreview
3rd Grade Mathematics
The Bakery Floor Dilemma: Equal Groups & Area Models for Multiplication
3rd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.3.OA.A.1
7 tasks 50 minPreview
2nd Grade Science
The Washed-Away Path: How Wind and Water Shape Our Land
2nd Grade NGSS Phenomenon-Based NGSS 2-ESS2-1, NGSS 2-ESS1-1
6 tasks 50 minPreview
2nd Grade Mathematics
Tens and Ones: Grouping Our Way to 99
2nd Grade BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.2.NBT.A.1
7 tasks 50 minPreview
Algebra II
Circles, Tangents & Secants: From Graphs to Algebraic Systems
11th Grade BTC Style / Thinking Classrooms
10 tasks 90 minPreview
Biology
Survival of the Fittest: How Natural Selection Shapes Populations Over Time
10th Grade 5E Model
7 tasks 60 minPreview
Pre-Algebra
Reading the Game: Comparing Data Sets Using Box Plots
7th Grade Universal Design for Learning
7 tasks 50 minPreview
Biology
Cell Cities: Exploring Organelle Structure & Function in Plant vs. Animal Cells
7th Grade 5E Model MS-LS1-2
8 tasks 50 minPreview
physical science
Why Don't the Dishes Move? Exploring Newton's Three Laws of Motion
8th Grade NGSS Phenomenon-Based MS-PS2-2
9 tasks 50 minPreview
AP Calculus AB
Related Rates: When Everything Changes at Once
11th Grade BTC Style / Thinking Classrooms CHA-3.D, CHA-3.E
7 tasks 50 minPreview
Algebra I
From Graphs to Substitution: Finding the Break-Even Point
9th Grade BTC Style / Thinking Classrooms HSA-REI.C.6
5 tasks 50 minPreview
Algebra II
How Tall Is That Tower? — Unlocking Right Triangle Trigonometry
10th & 11th Level II 3-Act Math CCSS.MATH.HSG.SRT.C.8
7 tasks 60 minPreview
5th Grade Math
Baking with Fractions: Multiplying Fractions Using Area Models
5th BTC Style / Thinking Classrooms CCSS.MATH.CONTENT.5.NF.B.4 — Apply and extend previous understandings of multiplication to multiply a fraction by a fraction
7 tasks 50 minPreview
2nd Grade Math
Building Numbers: Hundreds, Tens, and Ones
2nd Grade BTC Style / Thinking Classrooms 2.NBT.A.1 — Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones
7 tasks 50 minPreview
Algebra II
Parabolas in Flight: Transforming Quadratics Through Projectile Motion
10th & 11th Level II 3-Act Math CCSS.MATH.HSF.BF.B.3
7 tasks 60 minPreview