Adding and Subtracting Two Three-Digit Numbers

Front

What is addition?

Back

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

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 does it mean to have 'left' in a math problem?

Back

'Left' refers to the amount remaining after some has been taken away.

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CCSS.2.OA.A.1

Front

How do you find out how many more of one thing you have than another?

Back

You subtract the smaller number from the larger number.

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CCSS.2.OA.A.1

Front

What is a three-digit number?

Back

A three-digit number is a number that has three places, ranging from 100 to 999.

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CCSS.2.NBT.A.3

Front

What is the sum of 490 and 163?

Back

The sum of 490 and 163 is 653.

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the difference when you subtract 163 from 490?

Back

The difference is 327.

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

If I have 341 stickers and I share 293, how many do I have left?

Back

You have 48 stickers left.

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CCSS.3.OA.D.8

Front

If a zoo has 624 animals and we saw 235, how many do we still need to see?

Back

We still need to see 389 animals.

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CCSS.3.OA.D.8

Front

If I picked 326 blueberries and my friend picked 568 raspberries, how many more raspberries do we have than blueberries?

Back

We have 242 more raspberries than blueberries.

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2