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 us to borrow from the next column.

Tags

CCSS.7.NS.A.1C

Front

How do you borrow in subtraction?

Back

To borrow in subtraction, you take 1 from the next left column, which increases the current column by 10.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What is the first step in subtracting 842 - 593?

Back

The first step is to look at the ones place: 2 (from 842) is less than 3 (from 593), so we need to borrow.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What do you do after borrowing in subtraction?

Back

After borrowing, you subtract the numbers in the column, adjusting for the borrowed value.

Tags

CCSS.5.NBT.B.7

Front

Calculate: 614 - 387 = ?

Back

227

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

Calculate: 804 - 773 = ?

Back

31

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

Calculate: 502 - 297 = ?

Back

205

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

Calculate: 231 - 178 = ?

Back

53

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What is the purpose of regrouping in subtraction?

Back

Regrouping helps to manage situations where the top digit is smaller than the bottom digit, ensuring accurate subtraction.

Tags

CCSS.7.NS.A.1C

Front

What is the result of 1000 - 456?

Back

544