Arrays

Front

What is an array?

Back

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

Front

How many rows are in a 3 x 5 array?

Back

There are 3 rows in a 3 x 5 array.

Front

How many columns are in a 4 x 5 array?

Back

There are 5 columns in a 4 x 5 array.

Front

What does the first number in an array (like 3 in 3 x 5) represent?

Back

The first number represents the number of rows.

Front

What does the second number in an array (like 5 in 3 x 5) represent?

Back

The second number represents the number of columns.

Front

In which direction do rows go in an array?

Back

Rows go across, from left to right.

Front

In which direction do columns go in an array?

Back

Columns go up and down.

Front

What is the total number of items in a 4 x 5 array?

Back

The total number of items is 20 (4 rows x 5 columns).

Front

If you have a 2 x 3 array, how many items are there?

Back

There are 6 items (2 rows x 3 columns).

Front

What is an example of an array with 2 rows and 4 columns?

Back

An example is a 2 x 4 array.