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Worksheet
Curated OER

Adding and Subtracting Fractions/Mixed Numbers (2)

For Students 4th - 6th
In this adding and subtracting fractions and mixed numbers worksheet, students add and subtract combinations of three fractions and mixed numbers with uncommon denominators. Students solve 10 problems.
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Handout
2
2
Math Mammoth

Add & Subtract Integers Fact Sheet

For Students 5th - 8th Standards
Guide young mathematicians through the crazy world of negative numbers with a handy reference document. Offering clear instructions for adding and subtracting positive and negative integers, this resource is a great way to support...
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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

Adding and Subtracting Mixed Fractions (D)

For Students 5th
Use this mixed number worksheet to have your charges complete a total of 10 problems using mixed numbers. Answers and link to additional worksheets included page 2.
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Worksheet
Curated OER

Adding and Subtracting Fractions (C)

For Students 5th - 6th
Use this fraction worksheet to have your mathematicians add and subtract mixed numbers and fractions, 10 problems total. Answers and a link to other worksheets on page 2.
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Lesson Plan
Curated OER

Number Sense and Numeration

For Teachers 6th - 8th
Students add and subtract integers. For this algebra lesson, students discuss number sense as they sort numbers in the correct order. They analyze and label numbers differentiating between rational and irrational numbers.
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Worksheet
Curated OER

Add and Subtract Decimal Ten Thousandths [D]

For Students 4th - 5th
In this decimal worksheet, learners solve a total of 32 problems; all problems either add or subtract ten thousandths. Answers included on page 2.
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Worksheet
Curated OER

Add and Subtract Decimal Ten Thousandths [E]

For Students 4th - 5th
In this decimal worksheet, students solve a total of 32 problems; all problems either add or subtract ten thousandths. Answers included on page 2.
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Worksheet
Curated OER

Add and Subtract Decimal Ten Thousandths [I]

For Students 4th - 5th
In this decimal worksheet, students add and subtract a total of 32 problems, all decimals are ten thousandths. Answers included on page 2.
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Worksheet
Curated OER

Add and Subtract Decimal Ten Thousandths [F]

For Students 4th - 5th
In this decimal instructional activity, students solve a total of 32 problems; all problems either add or subtract ten thousandths. Answers included on page 2.
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Worksheet
Curated OER

Add and Subtract Decimal Ten Thousandths [G]

For Students 4th - 5th
In this decimal worksheet, students solve a total of 32 problems; all problems either add or subtract ten thousandths. Answers included on page 2.
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Worksheet
Curated OER

Add and Subtract Decimal Ten Thousandths [H]

For Students 4th - 5th
In this decimal activity, students add and subtract a total of 32 problems, all decimals are ten thousandths. Answers included on page 2.
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PPT
Curated OER

Fraction X--Adding Unlike Denominators

For Teachers 4th - 5th
In this math PowerPoint, the process of adding fractions with unlike denominators is broken down into a logical, easy-to-follow sequence of steps. Definitions and examples of multiples, least common multiple, and least common denominator...
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PPT
Curated OER

Number Bonds

For Teachers 1st - 2nd
Being able to recognize number bonds that make 10 is a great way to help learners add 3 digits together. First they make 10 by adding two numbers together, then they assess 3 digit addition sentences, where they make 10 first then add-on...
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Activity
Florida Center for Instructional Technology

A Human Number Line: Teacher Notes

For Teachers 4th - 6th Standards
Twenty-one pieces of tagboard can lead your class to a greater understanding of integers when you use them to form a human number line. After creating this math tool, two strategies for adding and subtracting will have your...
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Worksheet
Curated OER

Today's Number

For Students 2nd - 3rd
Using the number of days they have been in school, learners practice fining sums by adding ten, subtracting ten, and determining even and odd numbers. They write equations and build numbers with the fewest number of base ten blocks.
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Worksheet
Curated OER

Early Mental Math: Practice

For Students 1st - 2nd
Pupils start from a given number and count forward by 1s, 2s, and 10s. They "make ten" in 4 addition problems, and add or subtract 2 in the rest. Finally, they circle the odd numbers in a list from 1-14.
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Activity
1
1
Oregon Department of Education

Building Number Sense

For Teachers Pre-K - 1st Standards
It's never too early to begin a child's math education. This collection of fun hands-on activities engage youngsters in building their number sense as they learn how to count objects, identify numerals, compare amounts, and much more.
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Lesson Plan
Ohio Department of Education

Actions with Fractions: Adding and Subtracting Fractions with Common Denominators

For Teachers 3rd - 5th Standards
Fourth graders develop a conceptual understanding of fractions and begin to add and subtract fractions with like denominators. Included is a worksheet to assess readiness and a teacher's checklist showing class understanding at a...
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Lesson Plan
Curated OER

Adding and Subtracting Fractions with Like and Unlike Denominators

For Teachers 6th - 7th
In this math worksheet, students compute with fractions. Five of the problems involve common denominators. Four of the problems require students to first find the common denominator. Six problems are multiple choice. One problem involves...
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Worksheet
Curated OER

Adding and Subtracting Integers

For Students 7th - 12th
In this adding and subtracting integers learning exercise, students find the sum or difference of 9 problems. Students then evaluate 4 expressions given certain values.
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Worksheet
Curated OER

Estimating Sums and Differences

For Students 4th - 6th Standards
Work on rounding, estimating, adding, and subtracting with a helpful math worksheet! Fifth graders study different sets of addition and subtraction problems, and after rounding each number to the leading digit, they estimate what the sum...
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Lesson Plan
West Contra Costa Unified School District

Simplify Expressions and Solve Equations Using Two-Column Proofs

For Students 8th - 10th Standards
Increase understanding of the algebraic properties and their importance. Scholars justify their steps as they simplify expressions and solve equations. They formalize their work as two-column proof.
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Worksheet
Curated OER

Adding and Subtracting Fractions (1)

For Students 5th - 8th
In this adding and subtracting fractions instructional activity, students problem solve and calculate the answers to ten fraction equations dealing with addition and subtraction.