Addition and Subtraction

Front

What is addition?

Back

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

Tags

CCSS.1.OA.A.1

Front

What is subtraction?

Back

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

Front

What is a sum?

Back

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

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CCSS.6.EE.A.1

Front

What is a difference?

Back

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

Tags

CCSS.1.OA.A.1

Front

What does it mean to have 'fewer' of something?

Back

Having 'fewer' means having a smaller number of something compared to another amount.

Tags

CCSS.L.3.6

CCSS.L.1.6

CCSS.L.K.5A

Front

If you have 8 + 8, what is the sum?

Back

The sum is 16.

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CCSS.2.OA.B.2

CCSS.1.OA.C.6

Front

If you have 13 + 45, what is the sum?

Back

The sum is 58.

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CCSS.2.NBT.B.5

CCSS.1.NBT.C.4

Front

What is 70 - 56?

Back

The difference is 14.

Tags

CCSS.2.OA.A.1

Front

If there are 12 skittles in a bowl and 8 in a cup, how many fewer skittles are in the cup?

Back

There are 4 fewer skittles in the cup.

Tags

CCSS.1.OA.A.1

Front

What is the equation for finding an unknown number if the sum is 9?

Back

4 + ? = 9.

Tags

CCSS.1.OA.A.1