Multiplication & Division using Arrays and Equal Groups

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.

Tags

CCSS.3.OA.A.1

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.

Tags

CCSS.3.OA.A.2

Front

What does an array represent in multiplication?

Back

An array is a visual representation of multiplication. It shows rows and columns, where the total number of items is the product of the number of rows and columns.

Tags

CCSS.4.NBT.B.5

Front

What is the multiplication sentence for 3 rows of 4?

Back

3 x 4 = 12.

Tags

CCSS.3.OA.A.1

Front

How do you find the total in equal groups?

Back

To find the total in equal groups, multiply the number of groups by the number in each group.

Tags

CCSS.2.OA.C.3

Front

What is the equation for 2 groups of 5?

Back

2 x 5 = 10.

Tags

CCSS.2.OA.C.3

Front

What does 5 x 3 equal?

Back

5 x 3 = 15.

Tags

CCSS.3.OA.C.7

Front

What is the relationship between multiplication and division?

Back

Multiplication and division are inverse operations. If 5 x 3 = 15, then 15 ÷ 5 = 3.

Tags

CCSS.4.NBT.B.6

Front

What is an example of an array with 3 rows and 2 columns?

Back

An array with 3 rows and 2 columns has 6 items total, represented as 3 x 2 = 6.

Tags

CCSS.3.OA.A.1

Front

What is the multiplication equation for this array: 4 rows of 2?

Back

4 x 2 = 8.

Tags

CCSS.3.OA.A.1