Equal Groups and Arrays

Front

What is an array?

Back

An array is a way to organize objects in rows and columns. For example, 3 rows of 4 apples each make an array.

Front

What does equal groups mean?

Back

Equal groups are groups that have the same number of items. For example, if you have 4 groups of 3 apples, each group has 3 apples.

Front

What is multiplication?

Back

Multiplication is a way to add the same number many times. For example, 4 x 3 means adding 4 three times: 4 + 4 + 4.

Front

What is repeated addition?

Back

Repeated addition is adding the same number over and over. For example, 3 + 3 + 3 + 3 is the same as 4 x 3.

Front

How do you write a multiplication sentence for an array?

Back

To write a multiplication sentence for an array, count the number of rows and the number of items in each row. For example, 4 rows of 5 items is written as 4 x 5.

Front

What is the equation for 3 groups of 5?

Back

The equation for 3 groups of 5 is 3 x 5 = 15.

Front

What is the equation for 4 groups of 6?

Back

The equation for 4 groups of 6 is 4 x 6 = 24.

Front

How can you find the total in equal groups?

Back

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

Front

What is the repeated addition for 5 groups of 2?

Back

The repeated addition for 5 groups of 2 is 2 + 2 + 2 + 2 + 2 = 10.

Front

What does 6 x 4 equal?

Back

6 x 4 equals 24.