Multiplication and Division

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 3 x 4 means adding 3 four times (3 + 3 + 3 + 3 = 12).

Front

What is division?

Back

Division is a mathematical operation that represents the splitting of a number into equal parts. For example, 12 ÷ 4 means splitting 12 into 4 equal parts, which equals 3.

Front

What is a fact family?

Back

A fact family is a group of related addition and subtraction or multiplication and division facts that use the same numbers. For example, the numbers 3, 5, and 15 can form the fact family: 3 x 5 = 15, 5 x 3 = 15, 15 ÷ 5 = 3, and 15 ÷ 3 = 5.

Front

What is the relationship between multiplication and division?

Back

Multiplication and division are inverse operations. This means that if you multiply two numbers, you can divide the product by one of the numbers to get the other number. For example, if 4 x 5 = 20, then 20 ÷ 5 = 4.

Front

How do you check your multiplication answer?

Back

You can check your multiplication answer by using division. If you multiply two numbers and get a product, divide the product by one of the numbers to see if you get the other number.

Front

What is the multiplication equation for 6 groups of 4?

Back

The multiplication equation is 6 x 4 = 24.

Front

What is the related division fact for 24 ÷ 4?

Back

The related division fact is 24 ÷ 4 = 6.

Front

If you have 400 cupcakes and 20 classes, how many cupcakes does each class get?

Back

Each class gets 20 cupcakes (400 ÷ 20 = 20).

Front

What is the total number of push-ups if Kyle does 12 push-ups every day for 10 days?

Back

Kyle does a total of 120 push-ups (12 x 10 = 120).

Front

What is the missing number in the fact family: 3 x 5 = 15, 5 x 3 = 15, 15 ÷ 5 = 3, 15 ÷ ____ = 5?

Back

The missing number is 3.