Community Lessons
Teacher-created STEM lessons, ready to teach
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.
New to these approaches? Explore the teaching framework guides →137 lessons available
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-learning-cycle 4-PS3-1, 4-PS3-3
7 tasks 45 minPreview
3rd Grade Science
Building Safer Communities: Reducing Weather-Related Hazards
3rd Grade 5e-learning-cycle 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 udl 3-ESS2-1, 3-ESS2-2
7 tasks 45 minPreview
3rd Grade Science
Adaptations & Survival: How Living Things Fit Their World
3rd Grade 5e-learning-cycle 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
Life Cycles: From Seeds to Bees — Plants, Animals, and Our Pollinator Garden
3rd Grade 5e-learning-cycle 3-LS1-1, 3-LS2-1
7 tasks 45 minPreview
3rd Grade Science
Push, Pull, and Power: Electric & Magnetic Forces
3rd Grade 5e-learning-cycle 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-learning-cycle 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 udl 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 udl CCSS.MATH.CONTENT.8.G.A.5
7 tasks 60 minPreview
Geometry
Compass & Straightedge: Classical Geometric Constructions
High School udl 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 udl CCSS.MATH.CONTENT.HSG-CO.C.9,CCSS.MATH.CONTENT.HSG-CO.C.10
7 tasks 50 minPreview
Geometry
The Ferris Wheel Frame: Arcs, Angles & Sectors
High School 3-act-math CCSS.MATH.CONTENT.HSG.C.A.2,CCSS.MATH.CONTENT.HSG.C.A.3,CCSS.MATH.CONTENT.HSG.GMD.A.1
7 tasks 50 minPreview
Geometry
The Perfect Slice: Circle Geometry at the Pizza Parlor
High School 3-act-math CCSS.MATH.CONTENT.HSG.C.A.2, CCSS.MATH.CONTENT.HSG.C.A.5, CCSS.MATH.CONTENT.HSG.GMD.A.1
6 tasks 50 minPreview
Geometry
Unwrapping 3D Solids: Volume & Surface Area from Prisms to Spheres
High School Thin-Slicing 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 Thin-Slicing 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 Thin-Slicing 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 Thin-Slicing 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 Thin-Slicing 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 Thin-Slicing 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 Thin-Slicing 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 Vertical Whiteboard Framing 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 Vertical Whiteboard Framing 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 Vertical Whiteboard Framing CCSS.4.MD.B.4
7 tasks 50 minPreview
4th Grade Math
Measuring the Trail: Unit Conversions for Wildlife Habitat Restoration
4th Grade BTC Vertical Whiteboard Framing CCSS.4.MD.A.1 / CCSS.4.MD.A.2
7 tasks 50 minPreview
4th Grade Math
Patio Puzzles: Area, Perimeter, and Missing Sides of Rectilinear Shapes
4th Grade BTC Vertical Whiteboard Framing CCSS.4.MD.A.3
7 tasks 50 minPreview
4th Grade Math
Angles in Action: Measuring, Building, and Breaking Apart Angles for Sustainable Architecture
4th Grade BTC Vertical Whiteboard Framing 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 Vertical Whiteboard Framing 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 Vertical Whiteboard Framing CCSS.4.NF.B.4
7 tasks 50 minPreview
4th Grade Math
Bakery Batch Math: Adding & Subtracting Fractions with Like Denominators
4th Grade BTC Vertical Whiteboard Framing 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 Vertical Whiteboard Framing 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 Vertical Whiteboard Framing 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 Vertical Whiteboard Framing 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 Vertical Whiteboard Framing CCSS.4.NBT.B.5
7 tasks 50 minPreview
4th Grade Math
Stadium Millions: Place Value, Comparison, and Rounding to 1,000,000
4th Grade BTC Vertical Whiteboard Framing 4.NBT.A.1 / 4.NBT.A.2 / 4.NBT.A.3
7 tasks 50 minPreview
3rd Grade Math
Stained-Glass Shape Detectives: Classifying Quadrilaterals by Attributes
3rd Grade BTC Vertical Whiteboard Framing 3.G.A.1
7 tasks 50 minPreview
3rd Grade Math
Ocean Census: Scaled Graphs at the Marine Sanctuary
3rd Grade BTC Vertical Whiteboard Framing 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 Vertical Whiteboard Framing 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 Vertical Whiteboard Framing CCSS.3.MD.A.1
7 tasks 50 minPreview
3rd Grade Math
Fencing the Animal Sanctuary: Perimeter, Area, and Missing Sides
3rd Grade BTC Vertical Whiteboard Framing CCSS.3.MD.D.8
7 tasks 50 minPreview
3rd Grade Math
Tile the Park: Discovering Area Through Blueprint Design
3rd Grade BTC Vertical Whiteboard Framing 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 Thin-Slicing CCSS.3.NF.A.3d
7 tasks 50 minPreview
3rd Grade Math
Mission Control: Rounding to the Nearest 10 and 100
3rd Grade Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Mathematics
Data Detectives: Reading, Building, and Comparing Graphs
2nd Grade Thinking Classroom (BTC) CCSS.MATH.CONTENT.2.MD.D.9, CCSS.MATH.CONTENT.2.MD.D.10
7 tasks 50 minPreview
2nd Grade Mathematics
Data Detectives: Reading and Building Graphs at the Wildlife Sanctuary
2nd Grade Thinking Classroom (BTC) CCSS.MATH.CONTENT.2.MD.D.9, CCSS.MATH.CONTENT.2.MD.D.10
7 tasks 50 minPreview
2nd Grade Math
The Farmstand Coin Vault: Counting, Combining & Making Change
2nd Grade Thinking Classroom (BTC) CCSS.MATH.CONTENT.2.MD.C.8
7 tasks 50 minPreview
2nd Grade Mathematics
Mission Control: Reading the Clock Like a Pro
2nd Grade Thinking Classroom (BTC) CCSS.MATH.CONTENT.2.MD.C.7
7 tasks 50 minPreview
2nd Grade Math
Zero Busters: Flexible Strategies for 3-Digit Subtraction
2nd Grade Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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
Cargo Crew: Packing Place Value Power to 1,000
2nd Grade Thinking Classroom (BTC) CCSS.MATH.CONTENT.2.NBT.B.7, CCSS.MATH.CONTENT.2.NBT.B.9
6 tasks 50 minPreview
2nd Grade Math
The Hidden Question: Solving Two-Step Word Problems
2nd Grade Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) CCSS.MATH.CONTENT.HSA.REI.A.2
7 tasks 60 minPreview
Algebra I
Radical Operations: Combining, Multiplying, and Rationalizing
8th or 9th Grade Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thin-Slicing 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thin-Slicing CCSS.MATH.CONTENT.8.EE.A.1
7 tasks 60 minPreview
Algebra 1
Viral, Splitting, and Shrinking: Discovering Exponential Growth
8th-9th Grade Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thinking Classroom (BTC) 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 Thin-Slicing CCSS.MATH.CONTENT.8.EE.C.7, CCSS.MATH.CONTENT.8.EE.C.7b
7 tasks 60 minPreview
Algebra 1
From Tiles to Tables to Terms: Writing Algebraic Expressions from Visual Patterns
8th-9th Grade Thin-Slicing CCSS.MATH.CONTENT.8.F.B.4, CCSS.MATH.CONTENT.6.EE.A.2a, CCSS.MATH.CONTENT.7.EE.A.2
14 tasks 60 minPreview
Algebra 1
Unlocking Formulas: Solving Literal Equations
9th Grade Thin-Slicing CCSS.HSA-CED.A.4
7 tasks 50 minPreview
Honors Precalculus
Riding the Waves: Graphing Sinusoidal Functions Through Tidal & Daylight Contexts
11th Grade Thin-Slicing CCSS.MATH.CONTENT.HSF.TF.B.5, CCSS.MATH.CONTENT.HSF.TF.A.4, CCSS.MATH.CONTENT.HSF.IF.C.7e
7 tasks 50 minPreview
AP Calculus AB
FTC Part 1: Accumulation Functions and the Rate-Distance Connection
11th-12th Grade Thin-Slicing 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 Thin-Slicing 4-ESS3-1
7 tasks 50 minPreview
4th Grade Math
Escape the Pattern Vault: Algebraic Rules & Growing Sequences
4th Grade Thin-Slicing
7 tasks 50 minPreview
3rd Grade Math
Fraction Detectives: Cracking the Equal Parts Code
3rd Grade Thin-Slicing
7 tasks 50 minPreview
3rd Grade Science
Weather vs. Climate: Reading the Sky Across Biomes
3rd Grade Thin-Slicing
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 Thin-Slicing 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 Thin-Slicing CHA-2.A, CHA-2.B
7 tasks 50 minPreview
Precalculus
The Broken Ferris Wheel Rescue: Evaluating Trig Functions on the Unit Circle
11th Grade Thin-Slicing CCSS.MATH.CONTENT.HSF.TF.A.1, CCSS.MATH.CONTENT.HSF.TF.A.2
7 tasks 50 minPreview
Algebra II
Zombie Outbreak: Unlocking Logarithms as the Inverse of Exponential Functions
10th-11th Grade Thin-Slicing 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 Thin-Slicing HSG.SRT.C.6, HSG.SRT.C.8
7 tasks 50 minPreview
8th Grade Mathematics
Phone Charger Race: Discovering Slope and Graphing Linear Equations
8th Grade Thin-Slicing CCSS.MATH.CONTENT.8.EE.B.5, CCSS.MATH.CONTENT.8.EE.B.6
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 Thin-Slicing 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 Thin-Slicing 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 Thin-Slicing 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 Thin-Slicing 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 Thin-Slicing 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 Thin-Slicing CCSS.MATH.CONTENT.2.NBT.A.1
7 tasks 50 minPreview
Algebra II
Circles, Tangents & Secants: From Graphs to Algebraic Systems
11th Grade Thin-Slicing
10 tasks 90 minPreview
Calculus
Slicing the Space Between: Area Between Curves
12th Grade Thin-Slicing
9 tasks 70 minPreview
PHysical science
Why Does Ice Float? Density, States of Matter, and the Mystery of Water
6th Grade NGSS Phenomenon-Based
6 tasks 50 minPreview
Biology
Survival of the Fittest: How Natural Selection Shapes Populations Over Time
10th Grade 5e-learning-cycle
7 tasks 60 minPreview
Pre-Algebra
Reading the Game: Comparing Data Sets Using Box Plots
7th Grade udl
7 tasks 50 minPreview
Geometry
Proof in Three Voices: Flow, Paragraph, and Two-Column Proofs
9th Grade Thin-Slicing
10 tasks 80 minPreview
Biology
Cell Cities: Exploring Organelle Structure & Function in Plant vs. Animal Cells
7th Grade 5e-learning-cycle 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 Thin-Slicing CHA-3.D, CHA-3.E
7 tasks 50 minPreview
Algebra I
From Graphs to Substitution: Finding the Break-Even Point
9th Grade Thin-Slicing 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
Science
Field Scientists & the Recipe for Metamorphosis: Life Cycles of a Butterfly
3rd Grade 5e-learning-cycle NGSS 3-LS1-1 — Develop models to describe that organisms have unique and diverse life cycles
7 tasks 50 minPreview
5th Grade Math
Baking with Fractions: Multiplying Fractions Using Area Models
5th Thin-Slicing 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 Thin-Slicing 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