3-Digit Subtraction With Regrouping

Front

What is 3-digit subtraction with regrouping?

Back

It is a method of subtracting numbers that have three digits, where you may need to borrow from the next higher place value 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 means rearranging the numbers to make subtraction easier, often by borrowing from the next column.

Tags

CCSS.7.NS.A.1C

Front

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

Back

Look at the ones place and see if you can subtract the bottom number from the top number. If the top number is smaller, you need to regroup.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

How do you regroup from the tens place to the ones place?

Back

You take 1 ten (which is 10) from the tens place, add it to the ones place, and reduce the tens place by 1.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is 912 - 575?

Back

337

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 842 - 97?

Back

745

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 820 - 376?

Back

444

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 753 - 267?

Back

486

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 734 - 277?

Back

457

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 column.

Tags

CCSS.2.NBT.B.7