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

Select the equation that matches the array: 3 + 3 = 6, 9 + 0 = 9, 3 x 9 = 27, 3 x 3 = 9.

Back

3 x 3 = 9.

Front

What multiplication sentence should Billy write for this array? 4 x 5 = 20, 3 x 4 = 12, 4 x 4 = 16, 4 x 6 = 24.

Back

4 x 4 = 16.

Front

Mr. Lopez planted 8 rows of apple trees on his farm. He planted 5 trees in each row. How many trees did Mr. Lopez plant?

Back

40.

Front

What does the multiplication symbol (x) represent?

Back

It represents repeated addition.

Front

If there are 4 rows with 3 apples in each row, how many apples are there in total?

Back

12 apples.

Front

What is the product of 6 and 7?

Back

42.

Front

How can you represent 2 x 5 using an array?

Back

2 rows of 5 columns.

Front

What is the equation for an array with 3 rows and 4 columns?

Back

3 x 4 = 12.