Arrays

Front

What direction do rows go?

Back

Across

Tags

CCSS.3.OA.D.9

Front

How many columns are in this array?

Back

3

Tags

CCSS.2.OA.C.4

Front

What repeated addition equation is represented in this array?

Back

3+3+3+3+3

Tags

CCSS.2.OA.C.4

Front

Which repeated addition sentence describes this array?

Back

5+5+5=15

Tags

CCSS.2.OA.C.4

Front

How many columns in this array?

Back

5

Tags

CCSS.2.OA.C.4

Front

What is an array?

Back

An arrangement of objects in rows and columns.

Tags

CCSS.3.OA.A.1

Front

What is a row in an array?

Back

A horizontal line of items.

Tags

CCSS.3.OA.A.1

Front

What is a column in an array?

Back

A vertical line of items.

Tags

CCSS.3.OA.A.1

Front

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

Back

Multiply the number of rows by the number of columns.

Tags

CCSS.3.OA.A.1

Front

If an array has 4 rows and 2 columns, how many items are there?

Back

8 items (4 x 2 = 8).

Tags

CCSS.3.OA.A.1