Addition and Subtraction with regrouping

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another.

Front

What does regrouping mean in addition?

Back

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

Front

What does regrouping mean in subtraction?

Back

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

Front

What is the sum of 68 and 88?

Back

The sum of 68 and 88 is 156.

Front

What is the sum of 47 and 75?

Back

The sum of 47 and 75 is 122.

Front

What is 63 minus 26?

Back

63 minus 26 equals 37.

Front

What is the sum of 23 and 57?

Back

The sum of 23 and 57 is 80.

Front

What is the sum of 65 and 36?

Back

The sum of 65 and 36 is 101.

Front

How do you add two-digit numbers?

Back

To add two-digit numbers, start from the rightmost column, add the digits, and regroup if necessary.