Relate Multiplication to 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 ÷ 3 means splitting 12 into 3 equal groups, which gives 4.

Tags

CCSS.3.OA.A.2

Front

How are multiplication and division related?

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

If Jack has 20 marbles and puts them in 4 equal groups, how many marbles are in each group?

Back

5, because 20 ÷ 4 = 5.

Tags

CCSS.3.OA.A.3

Front

What equation can be used to find the number of chairs in each row if there are 27 chairs in 9 rows?

Back

9 x 3 = 27.

Tags

CCSS.4.NBT.B.6

Front

If there are 42 children and 6 teachers, how many people are going to the zoo?

Back

48 people, because 42 + 6 = 48.

Tags

CCSS.3.OA.A.3

Front

How many vans are needed if each van can seat 8 people and there are 48 people?

Back

6 vans, because 48 ÷ 8 = 6.

Tags

CCSS.3.OA.A.3

Front

What does it mean to group items in multiplication?

Back

Grouping items in multiplication means creating equal sets. For example, 3 x 4 means making 3 groups of 4 items each.

Tags

CCSS.3.OA.A.1

Front

What is the result of 27 ÷ 9?

Back

3, because 27 divided by 9 equals 3.

Tags

CCSS.3.OA.B.6

Front

If you have 15 apples and want to share them equally among 5 friends, how many apples does each friend get?

Back

3 apples, because 15 ÷ 5 = 3.

Tags

CCSS.3.OA.A.2