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Worksheet
Curated OER

Two-Step Equations with Decimals

For Students 8th - 9th
In this two-step equation worksheet, students use two-steps to solve for the unknown. Problems involving using addition, subtraction addition, and multiplication. This worksheet contains 18 problems and does contain an answer key.
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Workbook
National Security Agency

Equations and Expressions

For Teachers 5th - 6th Standards
Learners demonstrate their knowledge pictorially, concretely, and abstractly in this unit meant to last three hours over three days. Using hands-on activities, manipulatives,  real-world applications, and problem solving, learners write...
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Activity
Noyce Foundation

On Balance

For Students K - 12th Standards
Investigate the world of unknown quantities with a creative set of five lessons that provides problem situations for varying grade levels. Each problem presents a scenario of fruit with different weights and a balance scale. Using the...
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Assessment
Los Angeles County Office of Education

Assessment For The California Mathematics Standards Grade 6

For Students 6th Standards
Test your scholars' knowledge of a multitude of concepts with an assessment aligned to the California math standards. Using the exam, class members show what they know about the four operations, positive and negative numbers, statistics...
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Worksheet
Curated OER

Equations with one Variable

For Students 8th - 10th
In this algebra worksheet, students solve word problems by rewriting it as an equations and solving for the unknown. There are 4 questions with an answer key.
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Worksheet
Curated OER

Solving Equations That Have the Variable in Both Sides

For Students 10th - 11th
In this algebra worksheet, learners solve equations using addition, multiplication, division and subtraction. They factor through distribution and solve for the unknown. There are 9 questions with an answer key.
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Worksheet
Curated OER

Multi-Step Inequalities

For Students 7th - 9th
In this multi-step inequalities activity, students solve inequalities for the unknown. They graph the solution on a number line. This four-page activity contains 24 multi-step problems. Answers are provided on the last page.
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Worksheet
Curated OER

Completing the Square

For Students 8th - 10th
In this completing the square worksheet, students solve problems by completing the square. They determine the value of the unknown in the binomial. This two-page worksheet contains 30 problems. Answers are provided on the last page.
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Lesson Plan
West Contra Costa Unified School District

Mixture Problems

For Teachers 8th - 10th
Mix up your lessons with the resource on mixture problems. Scholars use manipulatives to model and solve mixture problems. Individuals then set up both one- and two-variable equations to solve the problems.
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Unit Plan
Education Development Center

Language of Algebra

For Teachers 5th - 8th Standards
Don't rush into algebra, let learners visualize, guess, and predict their way to a successful math career. The introductory unit incorporates beginner algebraic concepts with shapes instead of variables. Young mathematicians use a...
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Lesson Plan
Curated OER

Rounding and Subtracting

For Teachers 6th - 8th Standards
Common Core is all about getting your learners to open their minds and think about the why and how. This problem has them thinking about unknown numbers and their relationship with one another when we round and subtract. They will have...
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Workbook
Utah Education Network (UEN)

Expressions and Equations

For Students 6th Standards
Variables may be unknown, but expressions and equations are easy to understand. Pupils learn to write, evaluate, and simplify numeric and algebraic expressions. They also investigate how to write and solve simple equations and...
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Lesson Plan
Curated OER

Quadratic Equations with Negative Discriminate

For Teachers 9th - 11th
Solve polynomial equations of degree using different theorems and apply the zero factor theorem for unknown numbers in a quadratic equation. Also use the discriminate to find out the kind of solutions to given quadratic equations shown.
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Lesson Plan
Curated OER

Linear Equations

For Teachers 9th - 11th
This is a great lesson from start to finish. With partners and on their own, learners write and solve linear equations and inequalities. They use manipulatives, group work, and an included worksheet to make magic with their problem...
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Lesson Plan
Curated OER

Algebra: Evaluating Expressions Using Tiles

For Teachers 6th
Sixth graders evaluate algebraic expressions. In this introduction to algebra lesson plan, 6th graders use manipulatives (algebra tiles) to solve problems involving one and two variables. Students apply this knowledge to real life...
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Worksheet
Curated OER

Math Club #1: Algebra

For Students 9th
In this math club #1:  algebra worksheet, 9th graders work in groups to solve 6 algebraic expressions.
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Worksheet
Curated OER

Algebraic Solutions

For Students 9th
In this algebraic solutions activity, 9th graders solve 10 different sets of simultaneous equations. First, they solve one of the equations such that one variable is defined in terms of the other. Then, students take the new definition...
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Lesson Plan
Curated OER

Evaluating Expressions Using Tiles

For Teachers 6th
Sixth graders are shown a variety of algebraic equations. In groups, they use tiles to represent each expression in the equations. To end the instructional activity, they solve story problems with one and two unknown variables....
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Lesson Plan
Curated OER

Algebra Match

For Teachers 12th
Twelfth graders identify the parts of an algebraic equation. They consider the many uses of algebra in daily life. They play a game, Algebra Match, where student pairs work to solve equations listed on index cards.
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Worksheet
Curated OER

Scale and Equations

For Students 9th
In this Algebra I worksheet, 9th graders solve equations by using the concept of a scale where unknowns are represented by cylinders and numbers by marbles.  The four page worksheet contains ten problems.  Answers are not provided. 
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Lesson Plan
Curated OER

Bats and Hot Dogs

For Teachers 7th - 10th
Students identify patterns and relationships from data that is collected and solve variables.  In this investigative lesson students study ocean productivity, the nitrogen cycle and phytoplankton then answer questions.
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Worksheet
Curated OER

Unit 4: Worksheet I - Algebraic Equations

For Students 9th - 10th
In this algebraic equation worksheet, students read a story problem. They write algebraic equations and solve for the unknown. Students also use a guess and check table to solve problems. This one-page worksheet contains three story...
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Worksheet
Curated OER

Easy Worksheet: Colinear Points

For Students 9th - 12th
In this colinear points worksheet, high schoolers solve 4 short answer problems. Students find unknown values of x using properties of colinear points. High schoolers set up and solve equations given colinear points and variable lengths.
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Worksheet
Curated OER

Combined Gas Law Problems

For Students 10th - 12th
In this gases worksheet, students use the combined gas law to solve nine problems for the unknown variable at the new temperature, pressure or volume.