Three Digit Subtraction with Regrouping

Front

What is three-digit subtraction?

Back

Three-digit subtraction involves subtracting numbers that have three digits, often requiring regrouping when the top digit is smaller than the bottom digit in any column.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What does regrouping mean in subtraction?

Back

Regrouping in subtraction is the process of borrowing from the next higher place value when the digit in the minuend (top number) is smaller than the digit in the subtrahend (bottom number).

Tags

CCSS.7.NS.A.1C

Front

Find the difference: 238 - 10

Back

228

Tags

CCSS.1.NBT.C.5

Front

Maeve planted 635 daisies and 143 roses. How many more daisies did she plant than roses?

Back

492

Tags

CCSS.3.OA.D.8

Front

Find the difference: 639 - 275

Back

364

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the difference of 700 - 500?

Back

200

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Find the difference: 500 - 271

Back

229

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

CCSS.3.NBT.A.2

Front

How do you handle subtraction when the top digit is smaller than the bottom digit?

Back

You regroup by borrowing from the next left column, reducing that digit by one and adding 10 to the current column.

Tags

CCSS.7.NS.A.1C

Front

What is the result of 400 - 150?

Back

250