Arrays and Equal Groups

Front

What is an array?

Back

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

Tags

CCSS.3.OA.A.1

Front

What does repeated addition mean?

Back

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

Tags

CCSS.2.OA.C.4

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.

Tags

CCSS.3.OA.A.1

Front

What is the result of 3 x 4?

Back

12

Tags

CCSS.3.OA.C.7

Front

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

Back

3 + 3 + 3 + 3 = 12.

Tags

CCSS.2.OA.C.4

Front

True or False: Multiplication must have equal groups.

Back

True

Tags

CCSS.3.OA.B.5

Front

What does it mean to have equal groups in multiplication?

Back

It means each group has the same number of items.

Tags

CCSS.3.OA.A.1

Front

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

Back

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

Tags

CCSS.2.OA.C.4

Front

What does 3 x 5 equal?

Back

15

Tags

CCSS.3.OA.C.7

Front

What is the repeated addition for 2 x 6?

Back

6 + 6 = 12.

Tags

CCSS.3.OA.A.1