3 Digit Subtraction With Regrouping

Front

What is regrouping in subtraction?

Back

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

Tags

CCSS.7.NS.A.1C

Front

What is the first step in subtracting 3-digit numbers with regrouping?

Back

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

Tags

CCSS.5.NBT.B.7

Front

How do you subtract when the top digit is smaller than the bottom digit?

Back

You need to regroup by borrowing from the next left place value.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 409 - 152?

Back

257

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 639 - 532?

Back

107

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 763 - 104?

Back

659

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 822 - 603?

Back

219

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 382 - 209?

Back

173

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

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 place value.

Tags

CCSS.7.NS.A.1C

Front

What does it mean to borrow in subtraction?

Back

To borrow means to take 1 from the next left place value to help subtract the smaller digit.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2