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 place value to the next when the sum exceeds 9.

Front

What does regrouping mean in subtraction?

Back

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

Front

What is the sum of 76 and 33?

Back

The sum of 76 and 33 is 109.

Front

What is the difference between 85 and 37?

Back

The difference between 85 and 37 is 48.

Front

How do you solve 76 - 39 using regrouping?

Back

First, regroup 76 to 70 and 6. Borrow 1 from 7 to make 6, then subtract: 6 - 9 (regrouped) and 6 - 3.

Front

What is 91 + 33?

Back

91 + 33 = 124.

Front

What is 62 - 23?

Back

62 - 23 = 39.

Front

What is 76 - 28?

Back

76 - 28 = 48.