Arrays/Repeated Addition

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.

Tags

CCSS.2.OA.C.4

Front

How can you describe the array 5 + 5 + 5?

Back

This array has 3 groups of 5, which equals 15.

Tags

CCSS.2.OA.C.4

Front

What is the number model for an array with 4 rows of 4?

Back

The number model is 4 + 4 + 4 + 4 = 16.

Tags

CCSS.2.OA.C.4

Front

What do we call the lines that go up and down in an array?

Back

We call them columns.

Tags

CCSS.3.OA.A.1

Front

What do we call the lines that go side to side in an array?

Back

We call them rows.

Tags

CCSS.2.OA.C.4

Front

If an array has 4 rows, how many groups of numbers do we have?

Back

We have 4 groups.

Tags

CCSS.3.OA.A.1

Front

What is the number model for an array with 2 rows of 4?

Back

The number model is 2 + 2 + 2 + 2 = 8.

Tags

CCSS.2.OA.C.4

Front

How do you find the total in a repeated addition problem?

Back

You add all the groups together.

Tags

CCSS.2.OA.C.4

Front

What is the total of 3 + 3 + 3 + 3?

Back

The total is 12.

Tags

CCSS.2.OA.C.4