Arrays

When our class lines up, there are 2 columns of 12 students in each row. How many students are there in the class?

• 24

• 20

• 12

• 30

How many thumbtacks? Write an equation to represent.

• 3 x 5 = 15

• 4 x 4 = 16

• 5 x 3 = 15

• 2 x 8 = 16

How many school buses? Write an equation to represent.

• 2 x 5 = 10

• 2 x 4 = 8

• 4 x 3 = 12

• 4 x 2= 8

The teacher has arranged the desks in 6 equal rows of 4 desks in each row. What is the total number of desks?

• 6 x 4 = 24

• 5 x 5 = 25

• 4 x 6 = 24

• 3 x 8 = 24

What is the repeated addition sentence for 3 x 9?

• 9 + 9 + 9

• 3 + 3 + 3

• 9 + 9

• 3 + 3 + 3 + 3

What is the multiplication expression for 10 + 10 + 10 + 10?

• 4 x 10

• 10 x 3

• 10 x 5

• 3 x 10

What is the repeated addition sentence for 5 x 4?

• 4 + 4 + 4 + 4 + 4

• 5 + 5 + 5 + 5

• 4 + 4 + 4

• 5 + 5 + 5

How many scissors are there? Write an equation to represent it.

• 3 x 1 = 3

• 1 x 3 = 3

• 3 x 2 = 6

• 2 x 3 = 6

I planted 4 rows of 3 tomatoes. How many total tomato plants were planted in the garden?

• 10

• 12

• 15

• 20

What is the multiplication expression for 7 + 7 + 7 + 7 + 7 + 7?

• 6 x 7

• 7 x 6

• 5 x 7

• 7 x 5