Subtraction- Regrouping or Not

Front

What is subtraction?

Back

Subtraction is taking away a number from another number.

Front

What does regrouping mean in subtraction?

Back

Regrouping means borrowing from the next place value when the top number is smaller than the bottom number.

Front

When do we regroup in subtraction?

Back

We regroup when the digit in the top number is smaller than the digit in the bottom number in any column.

Front

What is the first step in subtraction?

Back

The first step is to line up the numbers by their place values.

Front

What does 'More on Top? No Need to Stop!' mean?

Back

It means if the top number is larger than the bottom number in a column, you can subtract without regrouping.

Front

What does 'More on the Floor? Regroup and Borrow from Next Door!' mean?

Back

It means if the bottom number is larger than the top number in a column, you need to regroup.

Front

Solve: 44 - 24

Back

20

Front

Solve: 75 - 49

Back

26

Front

Solve: 36 - 16

Back

20

Front

Solve: 97 - 45

Back

52