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 finding the difference between two numbers by taking one number away from another.

Front

What is the sum of 47 and 25?

Back

72

Front

What is the sum of 30 and 25?

Back

55

Front

What is 48 minus 19?

Back

29

Front

What is the sum of 49 and 22?

Back

71

Front

What is the sum of 32 and 29?

Back

61

Front

What does the plus sign (+) mean?

Back

The plus sign means to add numbers together.

Front

What does the minus sign (-) mean?

Back

The minus sign means to subtract one number from another.

Front

If you have 10 apples and you add 5 more, how many apples do you have?

Back

15 apples.