Math Wizards: 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 taking one number away from another.

Front

If you have 6 and add 3, what is the total?

Back

9

Front

If you have 18 and lose 6, how many do you have left?

Back

12

Front

What is the result of 20 - 5?

Back

15

Front

If Sara has 7 apples and buys 5 more, how many apples does she have?

Back

12

Front

What is the total of 10 and 2?

Back

12

Front

If there are 10 fish and 2 more are added, how many fish are there now?

Back

12

Front

What does it mean to 'lose' something in math?

Back

To lose something means to subtract it from what you have.

Front

What is the sum of 8 and 1?

Back

9