Multiplication and Division Review

Front

What is multiplication?

Back

Multiplication is a way to add a number to itself a certain number of times. For example, 3 x 4 means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Front

What is division?

Back

Division is splitting a number into equal parts. For example, 12 ÷ 4 means splitting 12 into 4 equal groups, which gives 3.

Front

What does the equation 4 x 3 = 12 mean?

Back

It means that if you have 4 groups of 3, you will have a total of 12.

Front

What is the relationship between multiplication and division?

Back

Multiplication and division are inverse operations. If you know that 3 x 4 = 12, then you also know that 12 ÷ 4 = 3.

Front

How can you check your multiplication?

Back

You can check your multiplication by using division. For example, if you calculated 3 x 4 = 12, you can check by doing 12 ÷ 3 = 4.

Front

What is the equation for adding equal groups?

Back

The equation for adding equal groups can be written as multiplication. For example, 5 + 5 + 5 = 3 x 5.

Front

What does the equation 12 ÷ 4 = 3 represent?

Back

It represents that if you divide 12 into 4 equal parts, each part will have 3.

Front

What is a true statement about adding numbers?

Back

If you add the same number multiple times, you can use multiplication to find the total.

Front

If Christopher practiced baseball for 5 weeks for 2 hours each week, how many hours did he practice baseball?

Back

He practiced baseball for 5 x 2 = 10 hours.

Front

If Christopher practiced gymnastics for 10 weeks for 3 hours each week, how many hours did he practice gymnastics?

Back

He practiced gymnastics for 10 x 3 = 30 hours.