Arrays

Front

What is an array?

Back

An array is a way to organize objects in rows and columns.

Front

How many rows are in an array with 3 rows of 4?

Back

There are 3 rows.

Front

How many columns are in an array with 3 rows of 4?

Back

There are 4 columns.

Front

What does it mean when we say 'rows go across'?

Back

Rows are the horizontal lines in an array.

Front

What does it mean when we say 'columns go down'?

Back

Columns are the vertical lines in an array.

Front

If an array has 3 rows and 4 columns, how many total items are there?

Back

There are 12 items (3 x 4 = 12).

Front

What is repeated addition?

Back

Repeated addition is adding the same number multiple times, like 4 + 4 + 4.

Front

Write a repeated addition sentence for 3 rows of 4.

Back

4 + 4 + 4 = 12.

Front

What is the area of an array?

Back

The area is the total number of square tiles that fit in the array.

Front

If an array has 6 rows and 6 columns, what is the area?

Back

The area is 36 square tiles (6 x 6 = 36).