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Interactive
Curated OER

Rational Numbers

For Students 9th
In this Algebra I worksheet, 9th graders identify properties from the real number system and use the distributive property to collect simplify expressions with parentheses.  The one page interactive worksheet contains five multiple...
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Lesson Plan
Alabama Learning Exchange

Calendar Fun Operations

For Teachers 6th - 8th Standards
Middle schoolers explore the concept order of operations.  In this order of operations lesson, students make a song about the order of operations in groups.  Middle schoolers practice working problems using order of operations.
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Lesson Plan
Curated OER

Solve and check multi-step equations and inequalities

For Teachers 9th - 10th
Young scholars participate in a lesson that is concerned with the solving of multiple step equations and inequalities. The use of algebra tiles translates the information well for the kinesthetic learners. Then the skills are used to...
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Lesson Plan
Curated OER

Two-Step Equations

For Teachers 6th
Sixth graders work through a two-step equation with their teacher. After reviewing one-step equations, they complete a worksheet using tiles and colored pencils to complete two-step equations. To end the lesson, they write out the step...
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Lesson Plan
Curated OER

Two Step Equations

For Teachers 6th
Sixth graders solve multiple step math problems. In this problem solving lesson, 6th graders practice following step by step instructions such as making cookies or building a snowman. Students use algebra tiles and draw pictures to solve...
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Worksheet
Curated OER

Negative Numbers: 4 Operations

For Students 5th - 6th
In this negative numbers worksheet, students use number lines to complete activities, adding, subtracting, multiplying and dividing negative numbers.
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Worksheet
Curated OER

Solving Equations

For Students 11th
In this Algebra II worksheet, 11th graders use the properties of equality to solve multi-step equations in one variable.  The tow page worksheet contains explanation, guided examples, and fifteen practice problems.  Answers are not...
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Lesson Plan
Curated OER

Multiplying Decimals and Mixed Numbers

For Teachers 6th - 8th
Learners multiply decimals and/or mixed numbers. They explore the effects of multiplying decimals and mixed numbers. They practice estimating answers when a number is multiplied by a decimal or mixed number.
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Worksheet
Curated OER

Vocabulary Word Search Puzzle

For Teachers 6th - 8th
In this literacy worksheet, learners find the words that are in the word search puzzle that focus upon the vocabulary that is from the theme of the sheet.
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Lesson Plan
Curated OER

Integer Arithmetic

For Teachers 6th - 8th
Middle schoolers solve integer-based problems. They add and subtract integers as well find missing integers. They represent a scenario involving positive and negative integers and solve it.
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Lesson Plan
Curated OER

Elasticity of Gases

For Teachers 10th - 12th
Students investigate gas laws and apply them in experimental conditions. Using an apparatus composed of a syringe and wooden blocks, they experimentally verify Boyle's and Charles' laws of gases.
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Lesson Plan
Curated OER

Long Division

For Teachers 4th
Fourth graders examine and demonstrate the steps of long division. They discuss why we use long division, and observe the teacher draw an illustration of a division problem. Students then solve a variety of long division problems,...
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Activity
AAA Math

Aaa Math: Inverse Relationship of Addition & Subtraction

For Students 9th - 10th Standards
There is a great interactive problem set for students to practice the concept of the inverse property. This would be a great review before a unit on solving basic equations.
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Professional Doc
Primary Resources

Primary Resources: Addition and Subtraction Higher Numbers

For Teachers Pre-K - 1st Standards
An extensive selection of teacher resources to aide in teaching and reviewing addition and subtraction of two and three digit numbers, inverse operations, counting on, and other mental strategies for addition and subtraction. Resources...
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Unit Plan
Sophia Learning

Sophia: Inverse Operations

For Students 6th - 8th
This video lesson introduces and provides examples of inverse operations. A short quiz follows to test students' understanding of the skill.
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Activity
AAA Math

Aaa Math: Inverse Relationship of Subtraction and Addition

For Students K - 1st Standards
Students explore the inverse relationship of addition and subtraction. The resource provides self-check exercises and timed learning games to practice the concept.
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Unit Plan
E-learning for Kids

E Learning for Kids: Math: Carnival Parade in Rio: Addition and Subtraction

For Students 3rd - 5th Standards
Help keep the carnival parade safe by helping officer Davi with his addition and subtraction!
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Interactive
Mangahigh

Mangahigh: Number: Use Inverses

For Students 2nd - 4th Standards
Explore addition and subtraction and how they are related.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Single Variable Addition Equations

For Students 6th - 7th
[Free Registration/Login may be required to access all resource tools.] Solve single variable equations involving addition.
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Activity
AAA Math

Aaa Math: Complete a Numerical Sentence Subtraction

For Students Pre-K - 1st Standards
Students can practice solving subtraction equations through these interactive learning exercises. Three games are also available to challenge students' understanding of the skill.
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Unit Plan
AAA Math

Aaa Math: Inverse Relationship of Addition and Subtraction

For Students 1st - 3rd Standards
Explains the inverse relationship between addition and subtraction. Gives exercises and games to practice this skill.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Inequalities With Addition and Subtraction

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Solve inequalities using addition or subtraction
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Single Variable Addition Equations

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Solve single variable addition equations
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Unit Plan
CK-12 Foundation

Ck 12: Vector Subtraction

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Understand vector subtraction v - w as v + (-w), where -w is the additive inverse of w, with the same magnitude as w and pointing in the opposite direction....