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

How do you subtract 3-digit numbers?

Back

To subtract 3-digit numbers, align the numbers by place value, subtract starting from the rightmost digit, and regroup if necessary.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 528 - 129?

Back

399

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 423 - 198?

Back

225

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 639 - 532?

Back

107

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 824 - 647?

Back

177

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 382 - 209?

Back

173

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 in a subtraction problem?

Back

You need to regroup by borrowing from the next left digit.

Tags

CCSS.7.NS.A.1C

Front

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

Back

Align the numbers by their place values: hundreds, tens, and ones.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What does it mean to borrow in subtraction?

Back

Borrowing means taking 1 from the next higher place value to make the current digit larger.

Tags

CCSS.5.NBT.B.7