Subtraction with regrouping

Front

What is subtraction?

Back

Subtraction is taking away a number from another number. It shows how many are left after some are taken away.

Front

What does regrouping mean in subtraction?

Back

Regrouping is when you rearrange numbers to make subtraction easier, especially when the top number is smaller than the bottom number in a column.

Front

What is the result of 647 - 415?

Back

232

Front

What is 528 - 173?

Back

355

Front

What is 73 - 27?

Back

46

Front

Hanna has 51 popsicles. If 27 melt, how many does she have left?

Back

24

Front

What is 45 - 36?

Back

9

Front

If you have 10 apples and you give away 4, how many do you have left?

Back

10 - 4 = 6 apples.

Front

What is the first step in subtraction with regrouping?

Back

Look at the digits in each column, starting from the right.

Front

Why do we need to borrow in subtraction?

Back

We borrow when the top digit is smaller than the bottom digit in a column.