2 and 3 digit Addition and Subtraction

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 taking one number away from another.

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CCSS.2.NBT.B.7

Front

What does '2-digit number' mean?

Back

A 2-digit number is a number that has two places, such as 10 to 99.

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CCSS.1.NBT.A.1

Front

What does '3-digit number' mean?

Back

A 3-digit number is a number that has three places, such as 100 to 999.

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CCSS.2.NBT.A.3

Front

How do you add two numbers?

Back

To add two numbers, line them up by their place values and add each column starting from the right.

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CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

How do you subtract two numbers?

Back

To subtract two numbers, line them up by their place values and subtract each column starting from the right.

Tags

CCSS.2.NBT.B.7

Front

What is the sum of 136 and 322?

Back

The sum of 136 and 322 is 458.

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 510 + 150?

Back

510 + 150 = 660.

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is ten less than 896?

Back

Ten less than 896 is 886.

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CCSS.2.NBT.B.8

Front

What is the value of 7 tens, 9 ones, and 2 hundreds?

Back

The value is 279.

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CCSS.2.NBT.A.3