Subtraction with Regrouping

Front

What is subtraction?

Back

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

Front

What does regrouping mean in subtraction?

Back

Regrouping is when you rearrange numbers to make subtraction easier, especially when you have to borrow from the next place value.

Front

Solve: 64 - 19

Back

45

Front

Solve: 46 - 29

Back

17

Front

Solve: 80 - 49

Back

31

Front

Solve: 25 - 7

Back

18

Front

If you have 65 geese and 28 fly away, how many are left?

Back

37 geese are left.

Front

What is the first step in subtraction with regrouping?

Back

The first step is to look at the digits in each place value and see if you need to borrow.

Front

When do you need to borrow in subtraction?

Back

You need to borrow when the top digit is smaller than the bottom digit in any place value.

Front

What is the result of 100 - 45?

Back

55