Arrays

Front

What direction do rows go?

Back

Across

Front

How many columns are in this array?

Back

3

Front

What repeated addition equation is represented in this array?

Back

3+3+3+3+3

Front

Which repeated addition sentence describes this array?

Back

5+5+5=15

Front

How many columns in this array?

Back

5

Front

What is an array?

Back

An arrangement of objects in rows and columns.

Front

What is a row in an array?

Back

A horizontal line of items.

Front

What is a column in an array?

Back

A vertical line of items.

Front

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

Back

Multiply the number of rows by the number of columns.

Front

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

Back

8 items (4 x 2 = 8).