Subtraction with regrouping

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another. It shows how many are left after some are taken away.

Tags

CCSS.2.NBT.B.7

Front

What does regrouping mean in subtraction?

Back

Regrouping in subtraction means rearranging numbers to make it easier to subtract, especially when the top number is smaller than the bottom number in a column.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

Solve: 409 - 319

Back

90

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 961 - 436

Back

525

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 80,945 - 74,836

Back

6,109

Tags

CCSS.4.NBT.B.4

Front

Sally had 800 stickers. She gave away 197. How many stickers does she have left?

Back

603

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Hanna has 51 popsicles. 27 melted. How many does she have left?

Back

24

Tags

CCSS.2.OA.A.1

Front

What is the first step in subtraction with regrouping?

Back

The first step is to line up the numbers by their place values (ones, tens, hundreds, etc.).

Tags

CCSS.7.NS.A.1C

Front

Why do we need to borrow in subtraction?

Back

We borrow when the top number in a column is smaller than the bottom number, allowing us to subtract correctly.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 1000 - 750?

Back

250

Tags

CCSS.4.NBT.B.4