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Unit Plan
Scholastic

Mega-Fun Fractions

For Teachers 3rd - 4th Standards
Creative and fun lessons help kids get some hands-on experience with fractions. The resource includes 50 innovative ways to teach kids about equivalent fractions, adding and subtracting fractions, using fractions in money math and...
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Lesson Plan
Utah Education Network (UEN)

Subtracting Integers

For Teachers 6th - 8th Standards
Review the concepts of additive inverses and adding positive and negative integers. Relate understanding to the subtraction of integers. This is done with either the use of "Algeblocks" (any square or tile manipulative should do) or a...
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Worksheet
Curated OER

Add and Subtract Within 20

For Students K - 2nd
Break down addition and subtraction into short sentences using this brief worksheet. Each question prompts scholars to make a number by doing three math operations. For the first, they make 10 by adding three, adding five, and...
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Lesson Plan
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EngageNY

Adding and Subtracting Rational Expressions

For Students 10th - 12th Standards
There's a fine line between a numerator and a denominator! Learners find common denominators in order to add and subtract rational expressions. Examples include addition, subtraction, and complex fractions.
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Worksheet
Curated OER

Math in English Skills VI Exercise Book

For Students 1st - 6th
If you need a comprehensive math packet specifically intended for learners who are struggling with fractions, look no further. Individuals will be able to practice comparing, simplifying, adding, and subtracting fractions in an enjoyable...
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Lesson Plan
Curated OER

Add and Subtract

For Teachers 1st - 2nd
Like the cubs in A Fair Bear to Share, your 2nd grade class will practice adding and subtracting double-digit numbers by grouping, regrouping, and sorting a collection of objects. This requires many resources, but it is well worth the...
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Worksheet
Curated OER

Subtracting Suffixes

For Students 3rd - 5th Standards
Take it off! Take what off? Take off the suffixes to create new words! Learners build vocabulary and spelling skills as they remove the suffixes from 20 different words. This activity can help learners begin to recognize roots, compound...
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Lesson Plan
EngageNY

The Structure of Rational Expressions

For Teachers 11th - 12th Standards
Find out when rational expressions are closed. Pupils review adding, subtracting, multiplying, and dividing with rational numbers to make the connections to operations with rational expressions. Using specific examples, learners notice...
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Unit Plan
Mathematics Vision Project

Module 10: Matrices Revisited

For Students 10th - 12th Standards
A matrix is just a fancy way of making a table. Young scholars explore operations with matrices with the first lessons in the final module of a 10-unit Algebra II series. After adding, subtracting, and multiplying matrices, pupils use...
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Worksheet
Curated OER

Adding and Subtracting Rational Expressions

For Students 9th - 11th
For this algebra worksheet, students add and subtract rational expressions using the LCM. They combine like denominators before they add and subtract the expressions. There are 8 questions.
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Activity
Florida Center for Reading Research

Phonological Awareness: Phoneme Matching, Final Phoneme Pie

For Teachers 2nd - 3rd
Words are interesting things—you can change them by adding or subtracting phonemes. Here, emergent readers change the pictures on their phoneme pie by removing or adding various final phonemes. A fun way to build phonetic competency!
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Interactive
Scholastic

Study Jams! Addition & Subtraction Equations

For Students 5th - 7th Standards
Zoe is decorating a cake for her grandpa's birthday and needs to know how many more candles to add. Follow along as she explains how to set up and solve algebraic equations in this step-by-step presentation. Equations with negative...
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Lesson Plan
Silver Burdett Ginn

Study Buddies: Adding And Subtracting Fractions With Unlike Denominators

For Teachers Pre-K - 6th Standards
Pair up your math pals to teach each other about adding and subtracting uncommon denominator fractions! Step-by-step instructions are provided as well as five practice problems. 
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Lesson Plan
Curated OER

Adding And Subtracting Decimals

For Teachers 4th - 5th
In this adding and subtracting decimals worksheet, students, with a partner, problem solve and calculate the answers to ten addition and subtraction equations or word problems.
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Worksheet
Curated OER

Adding and Subtracting Fractions (3)

For Students 3rd - 5th
In this adding and subtracting fractions worksheet, learners use their math skills to solve 10 problems that require them to add and subtract fractions.
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Worksheet
Curated OER

Adding and Subtracting Like Mixed Numbers (10)

For Students 4th - 6th
In this adding and subtracting mixed numbers worksheet, students use their math skills to solve 10 problems that require them to add and subtract mixed numbers with like denominators.
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Worksheet
Curated OER

Adding and Subtracting Like Mixed Numbers (8)

For Students 4th - 6th
In this adding and subtracting mixed numbers worksheet, students use their math skills to solve 7 problems that require them to add and subtract mixed numbers with like denominators
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Worksheet
Curated OER

Practice Adding and Subtracting Fractions

For Students 3rd - 4th
In this adding and subtracting fractions practice instructional activity, students sharpen their problem solving skills as they solve 6 story problems.
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Worksheet
Curated OER

Leveled Problem Solving Adding and Subtracting Fractions

For Students 4th - 7th
In this adding and subtracting fractions practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
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Worksheet
Curated OER

Leveled Problem Solving Adding and Subtracting Decimals

For Students 4th - 6th
In this adding and subtracting decimals practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
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Lesson Plan
Curated OER

Adding and Subtracting Fractions

For Teachers 3rd
Third graders practice adding and subtracting fractions. In this addition lesson plan, 3rd graders use paper fraction kits made from colored construction paper and complete several fraction problems on the chalkboard.
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Worksheet
Curated OER

Add and Subtract Decimal Tenths

For Students 3rd - 5th
In this decimal addition and subtraction review worksheet, learners use problem solving skills to solve 32 problems that require them to add and subtract decimal tenths.
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Worksheet
Curated OER

Add and Subtract Decimal Hundredths (B)

For Students 4th - 6th
In this decimal addition and subtraction review worksheet, students use problem solving skills to solve 32 problems that require them to add and subtract decimal hundredths.
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Worksheet
Curated OER

Add and Subtract Decimal Thousandths (B)

For Students 4th - 6th
In this decimal addition and subtraction review instructional activity, students use problem solving skills to solve 32 problems that require them to add and subtract decimal thousandths.