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

How do you find the total number of items in an array?

Back

You can find the total by multiplying the number of rows by the number of columns.

Tags

CCSS.3.OA.A.1

Front

What is repeated addition?

Back

Repeated addition is adding the same number multiple times, like 2 + 2 + 2 = 6.

Tags

CCSS.2.OA.C.4

Front

How many columns are in this array?

Back

Columns go up and down.

Tags

CCSS.3.OA.A.1

Front

What does each row in an array represent?

Back

Each row represents a group of items.

Tags

CCSS.2.OA.C.4

Front

If an array has 4 rows and 5 columns, how many items are there?

Back

4 rows x 5 columns = 20 items.

Tags

CCSS.2.OA.C.4

Front

What is the repeated addition for an array with 3 rows of 4?

Back

4 + 4 + 4 = 12.

Tags

CCSS.2.OA.C.4

Front

What is a column in an array?

Back

A column is a vertical line of items.

Tags

CCSS.3.OA.A.1

Front

What is a row in an array?

Back

A row is a horizontal line of items.

Tags

CCSS.2.OA.C.4

Front

If you have 5 rows of 2, what is the total?

Back

5 rows x 2 = 10.

Tags

CCSS.3.OA.A.1