Adding and Subtracting 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 10 and 5?

Back

15

Front

What is the difference between 20 and 8?

Back

12

Front

If you have 7 apples and you buy 3 more, how many apples do you have now?

Back

10 apples

Front

What is 30 + 20?

Back

50

Front

What is 50 - 25?

Back

25

Front

If there are 15 birds in a tree and 5 fly away, how many are left?

Back

10 birds

Front

What is 67 + 12?

Back

79

Front

What is 54 - 22?

Back

32