Adding and Subtracting with Regrouping

Front

What is regrouping in addition?

Back

Regrouping in addition is the process of carrying over a value from one column to the next when the sum of a column exceeds 10.

Front

What is regrouping in subtraction?

Back

Regrouping in subtraction is the process of borrowing from the next column when the top number is smaller than the bottom number in a column.

Front

What is the sum of 6,543 and 4,321?

Back

10,864

Front

What is the difference when you subtract 5,432 from 9,876?

Back

4,444

Front

How do you add 4,567 and 3,210 using regrouping?

Back

Align the numbers by place value, add each column starting from the right, and carry over if necessary. The sum is 7,777.

Front

What is the result of subtracting 8,765 from 12,345?

Back

3,580

Front

What does it mean to carry over in addition?

Back

Carrying over means transferring a value to the next left column when the sum of a column exceeds 10.

Front

What does it mean to borrow in subtraction?

Back

Borrowing means taking 1 from the next left column to make the top number larger when subtracting.

Front

If Liam had 15,432 stickers and gave away 9,876, how many does he have left?

Back

5,556

Front

What is the first step in adding multi-digit numbers?

Back

Align the numbers by their place values (ones, tens, hundreds, etc.).