Addition and Subtraction Within 20

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 20 and 0?

Back

20

Front

What is 12 plus 7?

Back

19

Front

What is 11 plus 6?

Back

17

Front

What is 60 plus 10?

Back

70

Front

What is 14 minus 7?

Back

7

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 5 apples and you add 3 more, how many apples do you have?

Back

8 apples.