Addition and Subtraction Within 100

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 is the sum of 39 and 13?

Back

The sum of 39 and 13 is 52.

Front

What is the difference between 66 and 13?

Back

The difference between 66 and 13 is 53.

Front

If you have 45 apples and give away 21, how many apples do you have left?

Back

You have 24 apples left.

Front

What is 32 plus 44?

Back

32 plus 44 equals 76.

Front

What is 55 plus 13?

Back

55 plus 13 equals 68.

Front

If Sam had 39 balloons and 13 popped, how many are left?

Back

Sam has 26 balloons left.

Front

What is 45 minus 21?

Back

45 minus 21 equals 24.

Front

What is 66 minus 13?

Back

66 minus 13 equals 53.