Addition and Subtraction Review

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

If you have 10 apples and you give away 3, how many do you have left?

Back

7 apples.

Front

What is the sum of 15 and 27?

Back

42.

Front

If you have 50 candies and you eat 12, how many candies do you have now?

Back

38 candies.

Front

What is the difference between 100 and 45?

Back

55.

Front

If you collect 200 stickers and your friend gives you 50 more, how many stickers do you have?

Back

250 stickers.

Front

Estimate the sum of 48 and 37 by rounding to the nearest ten.

Back

Estimate: 50 + 40 = 90.

Front

What is the total of 5 + 5 + 5 + 5?

Back

20.

Front

If you have 90 marbles and you lose 25, how many marbles do you have left?

Back

65 marbles.