Subtraction with Regrouping

Front

What is subtraction with regrouping?

Back

Subtraction with regrouping is a method used to subtract numbers when the top digit is smaller than the bottom digit in any column, requiring borrowing from the next column.

Tags

CCSS.7.NS.A.1C

Front

How do you subtract 1,630 - 547?

Back

1,630 - 547 = 1,083.

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CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What is the result of 517 - 135?

Back

517 - 135 = 382.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What do you get when you subtract 67 - 38?

Back

67 - 38 = 29.

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CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

Calculate 738 - 259.

Back

738 - 259 = 479.

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CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What is 641 - 368?

Back

641 - 368 = 273.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What does 'regrouping' mean in subtraction?

Back

Regrouping means rearranging the numbers in a subtraction problem to make it easier to subtract, often involving borrowing from the next column.

Tags

CCSS.7.NS.A.1C

Front

When do you need to regroup in subtraction?

Back

You need to regroup when the digit in the top number is smaller than the digit in the bottom number in any column.

Tags

CCSS.2.NBT.B.7

Front

What is the first step in subtracting with regrouping?

Back

The first step is to look at the rightmost column and see if you can subtract without regrouping.

Tags

CCSS.7.NS.A.1C

Front

If you have 50 - 27, do you need to regroup?

Back

Yes, because you cannot subtract 7 from 0, so you need to regroup.

Tags

CCSS.2.NBT.B.7