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Lesson Plan
Curated OER

Peanut Math

For Teachers 2nd - 3rd
I really like this clever lesson on using peanuts to help facilitate the learning of addition and subtraction for your young mathematicians. Youngsters use peanuts as "counters" for a variety of math problems that include greater than...
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PPT
Curated OER

Egyptian Math Problems

For Teachers 4th - 6th
Count like an Egyptian! Put an ancient twist on everyday problem solving by providing kids a chance to solve ancient Egyptian math problems. There are 39 different questions that require learners to solve addition and subtraction...
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Worksheet
Curated OER

Reading Tally Chart

For Students 1st - 2nd
As learners explore data analysis have them practice reading tally charts using these examples. They answer basic questions about each of three charts, employing addition and subtraction skills. For example, a chart tallying t-shirts...
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Worksheet
DK Publishing

Real-Life Problems: Miles, Pounds, and More

For Students 4th - 5th Standards
Give young arithmeticians an applicable way to use their addition and subtraction skills with these five word problems. Each one presents a scenario requiring they add or subtract numbers with units (money, distance, weight,...
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Worksheet
DK Publishing

Real-Life Word Problems

For Students 1st - 3rd Standards
Prepare your second graders for word problems with a straightforward review worksheet. Use it after a unit on addition and subtraction up to 100, or after you have worked on money math. A sample word problem prompts young learners to...
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Lesson Plan
Illustrative Mathematics

What’s Missing?

For Teachers Pre-K - 1st Standards
Now you see them, now you don't! This fun peek-a-boo activity engages young mathematicians in developing their ability to compose and decompose numbers. After being presented with a series of counters, children close their eyes while the...
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Activity
Baylor College

Water: The Math Link

For Teachers 1st - 4th Standards
Make a splash with a math skills resource! Starring characters from the children's story Mystery of the Muddled Marsh, several worksheets create interdisciplinary connections between science, language arts, and math. They...
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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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Interactive
CK-12 Foundation

Addition and Subtraction of Rational Expressions: Strawberry Sherbet Punch

For Students 9th - 12th Standards
Explore the connection between fractions and rational expressions. Young scholars manipulate fractions with unlike denominators to find a total. Challenge questions allow them to check their work to ensure they are correct.
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PPT
Curated OER

Number Bonds to 10: Word Problems

For Teachers 1st - 2nd
Young mathematicians work through five story problems that reinforce number bonds to 10. They will read each problems then see the associated addition or subtraction equation for each. 
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Worksheet
Curated OER

Addition and Subtraction

For Students 2nd - 3rd
In this addition and subtraction worksheet, students analyze a math sentence such as: 16+2 = 12-6. Students solve the problems on each side of the equal sign, and mark "true" if the answers are the same and "false" if they are different....
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Worksheet
Curated OER

Subtraction Three Digit 5

For Students 2nd - 4th
Twenty practice problems, perfect for a review, homework, or a quiz! Learners subtract three digit numbers from three digit numbers to answer each problem. 
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Worksheet
Curated OER

Relate Counting to Addition and Subtraction

For Students K - 2nd
Use patterns to practice basic addition; pupils count by two, starting from eight and counting on to 20. They record the five numbers missing from the sequence. Below, the worksheet walks learners through the process...
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Lesson Plan
Curated OER

Addition and Subtraction of Integers 1.1

For Teachers 7th - 9th
In this integer worksheet, students add and subtract positive and negative numbers. Equations contain two to three terms with a mixture of finding the sum and difference of terms. This worksheet contains 44 equations.
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Lesson Plan
Curated OER

Introduce Double-Digit Addition

For Teachers 3rd - 4th
Students generate a list of numbers then classify them into groups of single digit and double-digit numbers. After listening to a children's book about double-digit addition, they work with tens and ones blocks to solve double-digit...
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PPT
Curated OER

Two-Digit Addition

For Teachers 2nd - 3rd
In need of a few good problems for the class to solve every morning? Each of the eight slides contain six double-digit addition problems which would be perfect as a morning math warm-up, skills and drills practice, or to be completed as...
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Worksheet
Curated OER

Addition

For Students 1st - 2nd
Looking for addition drills for your scholars to practice adding one and two-digit numbers? You've found it! Mathematicians examine an example before finding the sum of 16 equations, each of which involves one 2-digit addend and one...
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Worksheet
Curated OER

Two Digit Addition With No Regrouping Worksheet #7

For Students 1st - 2nd
There is no need to regroup to complete this set of 20 addition problems. Learners will add two-digit numbers togther each sum. 
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Worksheet
Curated OER

Mixed Addition/Subtraction Word Problems One -Version 1

For Students 2nd - 3rd
In this word problems worksheet, students read the word problems and use addition or subtraction to solve the problems. Students solve 5 problems.
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Worksheet
Curated OER

Horizontal Mixed Addition and Subtraction Using Numbers Between 1 and 100: Part 2

For Students 1st - 2nd
In this online interactive math worksheet, students complete the equations by adding or subtracting using the number one hundred. Students may access the correct answers and their scores by clicking submit.
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Worksheet
Curated OER

Horizontal Mixed Addition and Subtraction Using Numbers Between 1 and 100: Part 3

For Students 1st - 2nd
In this online interactive math instructional activity, students complete the equations by adding or subtracting using the number one hundred. Students may access the correct answers and their scores by clicking submit.
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Worksheet
Curated OER

Horizontal Mixed Addition and Subtraction Using Numbers Between 1 and 100: Part 9

For Students 2nd - 3rd
In this online interactive math activity, students complete several exercises by horizontally adding and subtracting numbers that range between 1 and 100. Students may access the correct answers and their score by clicking submit.
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Worksheet
Curated OER

Two-Digit Addition and Subtraction No Regrouping [D]

For Students 2nd - 3rd
In this addition and subtraction worksheet, students complete a total of 36 problems using 2 digit numbers, no regrouping required. Answers included on page 2.
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Worksheet
Curated OER

Two-Digit Addition and Subtraction No Regrouping [E]

For Students 2nd - 3rd
In this addition and subtraction worksheet, students complete a total of 36 problems that use 2-digit numbers; no regrouping is required.

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