Understanding Multiplication with Arrays

How should you interpret the multiplication fact 3 * 9?

• Nine groups of nine pieces

• Three groups of nine pieces

• Nine groups of three pieces

• Three groups of three pieces

What is the first step in solving a multiplication problem using an array?

• Count the pieces in each row

• Count the number of rows

• Multiply the rows by the pieces

• Add the rows and pieces

If an array has 4 rows and 4 pieces in each row, what is the multiplication fact?

• 4 * 5 = 20

• 3 * 4 = 12

• 4 * 3 = 12

• 4 * 4 = 16

How many pieces are in each group if there are 3 rows and 6 pieces in each row?

• 18 pieces

• 6 pieces

• 3 pieces

• 9 pieces

What does the first factor in a multiplication fact tell you when drawing an array?

• The sum of the pieces

• The number of pieces in each row

• The total number of pieces

• The number of rows

For the multiplication fact 6 * 7, how many rows should you draw?

• 42 rows

• 13 rows

• 7 rows

• 6 rows

What is the total number of pieces in an array with 3 rows and 5 pieces in each row?

• 8 pieces

• 15 pieces

• 10 pieces

• 20 pieces

What is the purpose of using arrays in multiplication?

• To subtract numbers

• To show equal groups of objects

• To add numbers

• To divide numbers

When solving an array, what should you count after the rows?

• The pieces in each row

• The total number of pieces

• The number of arrays

• The number of columns

In a multiplication sentence, what does the second factor represent?

• The total number of pieces

• The number of rows

• The number of pieces in each row

• The number of arrays