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 to the next column when the sum exceeds 9.

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 40 and 62?

Back

102

Front

What is 97 minus 86?

Back

11

Front

What is the sum of 43 and 16?

Back

59

Front

What is 62 minus 23?

Back

39

Front

What is 74 minus 31?

Back

43

Front

How do you add two-digit numbers?

Back

Align the numbers by place value, add the ones, and if needed, carry over to the tens.