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 to carry over a value from one place value to the next when the sum exceeds 9.

Front

What does regrouping mean in subtraction?

Back

Regrouping in subtraction means to borrow from the next place value 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 82 minus 47?

Back

82 minus 47 equals 35.

Front

What is 56 minus 29?

Back

56 minus 29 equals 27.

Front

What is 68 minus 59?

Back

68 minus 59 equals 9.

Front

What is 109 minus 47?

Back

109 minus 47 equals 62.

Front

How do you add two-digit numbers?

Back

To add two-digit numbers, start from the rightmost digit, add them, and if the sum is 10 or more, carry over to the next left digit.