Multiplication and Division

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 3 x 4 means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Tags

CCSS.3.OA.A.1

Front

What is division?

Back

Division is a mathematical operation where a number is split into equal parts. For example, 12 ÷ 4 means splitting 12 into 4 equal parts, which equals 3.

Tags

CCSS.3.OA.A.2

Front

What is a fact family?

Back

A fact family is a group of related addition and subtraction or multiplication and division facts using the same numbers. For example, the numbers 2, 3, and 6 can form the fact family: 2 + 3 = 5, 3 + 2 = 5, 5 - 2 = 3, 5 - 3 = 2.

Tags

CCSS.4.NBT.B.6

Front

What does the term 'boss number' mean?

Back

The boss number is the greatest number in a set of numbers.

Tags

CCSS.4.NF.B.3A

Front

How do you solve a multiplication problem?

Back

To solve a multiplication problem, you can use repeated addition, arrays, or skip counting. For example, to solve 4 x 3, you can add 4 three times: 4 + 4 + 4 = 12.

Tags

CCSS.3.OA.A.1

Front

What is the first step in solving word problems?

Back

The first step is to circle important numbers and labels in the problem.

Tags

CCSS.2.OA.A.1

Front

What is the relationship between multiplication and division?

Back

Multiplication and division are inverse operations. This means that if you know one, you can find the other. For example, if 4 x 5 = 20, then 20 ÷ 5 = 4.

Tags

CCSS.4.NBT.B.6

Front

What is an example of a multiplication sentence?

Back

An example of a multiplication sentence is 6 x 7 = 42.

Tags

CCSS.3.OA.A.1

Front

What is an example of a division sentence?

Back

An example of a division sentence is 20 ÷ 4 = 5.

Tags

CCSS.3.OA.A.2

Front

How can you check your multiplication answer?

Back

You can check your multiplication answer by using division. For example, if you calculated 4 x 5 = 20, you can check by doing 20 ÷ 5 = 4.

Tags

CCSS.4.NBT.B.6