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## Basic Addition Facts - Level 1

These one page worksheets cover basic addition facts up to 9. There are three different versions to help students master mental addition.

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## Basic Addition - Level 2

These one page worksheets add single digit numbers with two digit numbers. It continues the idea of counting, and using lines or numbers to visualize the process. There are three different versions.

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## Memorizing Addition - All Levels

These one page worksheets cover basic addition facts. There are three different versions to help students master mental addition.

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## Commutative Property - Level 1

These one page worksheets introduce the Commutative Property of Addition. Students see that the order does not matter and by moving numbers around it can help them solve more complex problems. There are two different versions.

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## Commutative Property - Level 2

One page worksheets continuing the Commutative Property of Addition. Students use the idea that order does not matter to solve more complex problems. There are two different versions.

Key concept: Get students thinking of ways to save time and effort.

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## Commutative Property - Level 3

These one page worksheets finish the Commutative Property of Addition. Students should see that the order does not matter, and can save time and effort by moving numbers around. There are two different versions.

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## Addition Using Place Value Level 1

This one page worksheet helps students better understand addition and carrying. Each problem is broken down into ones and tens so students can better see the addition process (algorithm).

Key concept: Students should understand why we place a one over the next place value when carrying and how numbers are separated into place values.

These two page worksheets introduce addition of larger numbers. It uses two digit addition to help students understand the basic concept. There are two different versions (with and without carrying).

Key concept: The process is the same no matter how big the numbers are.

Version A - Without Carrying

Version B - With Carrying

These two page worksheets continue addition of larger numbers. They cover up to ten thousands. There are two different versions (with and without carrying).

Student misunderstanding: As the numbers get bigger make sure the digits are lined up correctly.

Version A - Without Carrying

Version B - With Carrying

This two page worksheet covers advanced addition. Students should already understand the basics and know how to carry more than once in a problem.

Student misunderstanding: As the numbers get bigger the chances for silly mistakes increase. Students need to take their time and remember the process is still the same.

These one page art worksheets review multi-digit addition. Students answer the problems, find the answers at the bottom of the page, and shade in the corresponding number in the picture. The picture is symmetric.

## Associative Property of AdditionLevel 1

This one page worksheet introduces the associative property. It explains how we can change groups (move parentheses) in a problem to make it easier to solve.

Key concept: Students need to understand that the order does not matter when adding. Numbers and groups can be moved to help us simplify a problem or make it easier to solve.

This one page worksheet covers basic addition with estimation. It uses two digit numbers to introduce the concept.

Key concept: Even though some of these problems can be done mentally, students should be practicing their estimating skills. They should be showing their work for each problem.

## Adding and Subtracting ReviewAll Levels

This one page scary worksheet is designed to help students review addition and subtraction. Students add or subtract a certain number and follow the pattern until helping Action Joe escape.

Key concept: Students need to review and practice.

These one page, art worksheets review the four basic operations of arithmetic (addition, subtraction, multiplication, and division). The drawing is the same but the questions and answers are different for each level.

These one page art worksheets review adding with decimals. Students will need to line up the decimals and digits and add.

Helpful idea: Use picture as extra credit.

These one page worksheets cover adding and subtracting decimals. Each worksheet includes basic practice and an Answer, Find, and Shade Activity.

Important note: These handouts are designed to go with a short Adding and Subtracting Decimals Video which is currently located on YouTube, but can also be used alone.