3-Digit Subtraction with Regrouping

Front

What is 3-digit subtraction?

Back

3-digit subtraction is the process of subtracting one 3-digit number from another, which may involve regrouping 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 in subtraction means borrowing from the next higher place value when the digit in the top number is smaller than the digit in the bottom number.

Tags

CCSS.7.NS.A.1C

Front

What is the first step in 3-digit subtraction?

Back

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

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

How do you subtract in the ones place?

Back

Subtract the bottom digit from the top digit in the ones place. If the top digit is smaller, regroup from the tens place.

Tags

CCSS.2.NBT.B.7

Front

How do you subtract in the tens place?

Back

Subtract the bottom digit from the top digit in the tens place. If the top digit is smaller, regroup from the hundreds place.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

How do you subtract in the hundreds place?

Back

Subtract the bottom digit from the top digit in the hundreds place. If the top digit is smaller, regroup from the thousands place (if applicable).

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 478 - 152?

Back

The result is 326.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 412 - 83?

Back

The result is 329.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 318 - 123?

Back

The result is 195.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 649 - 367?

Back

The result is 282.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2