Three-digit Subtraction With Regrouping

Front

What is three-digit subtraction?

Back

Three-digit subtraction is the process of subtracting one three-digit number from another. It often involves regrouping when the top digit is smaller than the bottom digit.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What does regrouping mean in subtraction?

Back

Regrouping in subtraction means borrowing from the next higher place value when the top digit is smaller than the bottom digit.

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CCSS.7.NS.A.1C

Front

How do you subtract 2 from 12?

Back

You can subtract 2 from 12 by taking away 2, which equals 10.

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CCSS.2.OA.A.1

Front

What is 612 - 295?

Back

317

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 320 - 190?

Back

130

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 530 - 270?

Back

260

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 451 - 199?

Back

252

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 400 - 280?

Back

120

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What do you do if the top digit is smaller than the bottom digit?

Back

You regroup by borrowing from the next column to the left.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the first step in three-digit subtraction?

Back

The first step is to line up the numbers by their place values: hundreds, tens, and ones.

Tags

CCSS.2.NBT.B.7