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 are equal groups?

Back

Equal groups are groups that have the same number of items in each.

Tags

CCSS.2.OA.C.3

Front

How do you represent 6 groups of 5 using an array?

Back

You can draw 6 rows with 5 items in each row.

Tags

CCSS.2.OA.C.4

Front

What is the multiplication equation for 6 groups of 3?

Back

6 x 3 = 18.

Tags

CCSS.3.OA.A.1

Front

What is repeated addition?

Back

Repeated addition is adding the same number multiple times, like 3 + 3 + 3 = 9.

Tags

CCSS.2.OA.C.4

Front

How can you show 4 groups of 2 using repeated addition?

Back

2 + 2 + 2 + 2 = 8.

Tags

CCSS.2.OA.C.4

Front

What does the multiplication sentence 2 x 4 mean?

Back

It means you have 2 groups of 4 items each.

Tags

CCSS.3.OA.A.1

Front

What is the answer to 3 x 5?

Back

15.

Tags

CCSS.3.OA.C.7

Front

If you have 5 groups of 4, what is the total?

Back

20.

Tags

CCSS.3.OA.A.1

Front

What is the relationship between multiplication and addition?

Back

Multiplication is repeated addition.

Tags

CCSS.3.OA.B.5