Three-digit Subtraction With Regrouping

Front

What is three-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 if 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 borrowing from the next place value to make a larger number in the current place value when subtracting.

Tags

CCSS.7.NS.A.1C

Front

How do you subtract 432 - 298?

Back

First, regroup 432 to 400 + 32. Then, subtract 298 from 400 (which is 102) and 32 from 0 (which is 32). Finally, add 102 and 32 to get 134.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 400 - 280?

Back

The result is 120.

Front

How do you solve 320 - 190?

Back

Regroup 320 to 300 + 20. Subtract 190 from 300 (which is 110) and 20 from 0 (which is 20). Add 110 and 20 to get 130.

Front

What is 220 - 190?

Back

The result is 30.

Tags

CCSS.2.NBT.B.5

Front

How do you subtract 470 - 280?

Back

Regroup 470 to 400 + 70. Subtract 280 from 400 (which is 120) and 70 from 0 (which is 70). Add 120 and 70 to get 190.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

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

Back

The first step is to check if you need to regroup by comparing the digits in each place value.

Tags

CCSS.7.NS.A.1C

Front

Why do we need to borrow in subtraction?

Back

We need to borrow when the digit in the top number is smaller than the digit in the bottom number in any place value.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the place value of 4 in the number 432?

Back

The place value of 4 in 432 is hundreds.

Tags

CCSS.4.NBT.A.1