Arrays and Equal Groups

Front

What is an array?

Back

An array is a way to organize objects or numbers in rows and columns.

Front

What does repeated addition mean?

Back

Repeated addition is adding the same number multiple times, like 3 + 3 + 3 + 3.

Front

How do you write a multiplication equation for equal groups?

Back

You can write it as the number of groups times the number in each group, like 3 groups of 4 is written as 3 x 4.

Front

What is the result of 3 x 4?

Back

12

Front

What is the repeated addition equation for 4 groups of 3?

Back

3 + 3 + 3 + 3 = 12.

Front

True or False: Multiplication must have equal groups.

Back

True

Front

What does it mean to have equal groups in multiplication?

Back

It means each group has the same number of items.

Front

How can you represent 2 rows of 8 in an array?

Back

You can draw 2 rows with 8 items in each row.

Front

What does 3 x 5 equal?

Back

15

Front

What is the repeated addition for 2 x 6?

Back

6 + 6 = 12.