Three-digit Subtraction w/ Regrouping

Front

What is three-digit subtraction?

Back

Three-digit subtraction is the process of subtracting one three-digit number from another.

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 top digit is smaller than the bottom digit.

Tags

CCSS.7.NS.A.1C

Front

How do you subtract 220 - 190?

Back

220 - 190 = 30.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

How do you subtract 470 - 280?

Back

470 - 280 = 190.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

How do you subtract 363 - 198?

Back

363 - 198 = 165.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

How do you subtract 432 - 298?

Back

432 - 298 = 134.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

How do you subtract 862 - 490?

Back

862 - 490 = 372.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the first step in three-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

Front

What do you do if the top digit is smaller than the bottom digit?

Back

You regroup by borrowing from the next higher place value.

Tags

CCSS.2.NBT.B.7

Front

What is the result of 500 - 250?

Back

500 - 250 = 250.