Fun with Addition and Subtraction

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CCSS.2.OA.A.1

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CCSS.1.OA.C.6

CCSS.2.OA.B.2

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

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CCSS.1.OA.D.8

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CCSS.2.NBT.B.5

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What is addition?

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Addition is the process of finding the total or sum by combining two or more numbers.

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CCSS.1.OA.A.1

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What is subtraction?

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Subtraction is the process of finding the difference between two numbers by taking one number away from another.

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CCSS.2.OA.A.1

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What is a number line?

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A number line is a straight line with numbers placed at equal intervals along its length, used to represent numbers visually.

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CCSS.2.MD.B.6

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What does the term 'sum' mean?

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The sum is the result of adding two or more numbers together.

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CCSS.6.EE.A.1

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What does the term 'difference' mean?

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The difference is the result of subtracting one number from another.

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