STEMEngine AI — Engineering Active Thinking
Math Resources

Algebra 1 Activities & Lessons

Looking for an alternative to another Algebra 1 worksheet? Explore student-centered Algebra 1 lessons that build understanding through progressive tasks, pattern recognition, and mathematical reasoning. You'll find activities spanning solving linear equations, systems of equations, factoring quadratics, exponents and polynomials, and functions and graphing, each with a built-in answer key and a print-ready format. Every lesson below was created by a teacher on STEMEngine and is free to browse.

34 free Algebra 1 lessons available.

Algebra 1

חוקי חזקות: חזקה אפסית וחזקה בחזקה

כיתות 7-9 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
Algebra 1

Exponent Rules: From Repeated Multiplication to Multi-Rule Mastery

9th Grade BTC Style / Thinking Classrooms
7 tasks 60 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
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
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

More math activities by course

2nd Grade Math Activities (17)3rd Grade Math Activities (17)4th Grade Math Activities (14)5th Grade Math Activities (8)6th Grade Math Activities (14)7th Grade Math Activities (8)8th Grade Math Activities (5)Geometry Activities (14)
Browse the full community lesson library