Multiplication with Arrays

Front

What is an array?

Back

A set that shows equal groups using rows and columns.

Front

Describe this array: __ of rows, __ of columns or __ of rows with __ in each row.

Back

5 rows, 8 columns or 5 rows with 8 in each row.

Front

Which of the following is an example of an array in real life?

Back

Egg cartons.

Front

How can we represent the multiplication sentence '4 x 2 = 8' using an array?

Back

Four rows and two columns.

Front

What multiplication sentence should Billy write for this array?

Back

4 x 4 = 16.

Front

What does the term 'rows' refer to in an array?

Back

Horizontal lines of objects.

Front

What does the term 'columns' refer to in an array?

Back

Vertical lines of objects.

Front

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

Back

12 items (3 x 4 = 12).

Front

What is the multiplication sentence for an array with 6 rows and 2 columns?

Back

6 x 2 = 12.

Front

How can you visualize the multiplication sentence '5 x 3'?

Back

By creating an array with 5 rows and 3 columns.