Multiplying by Multiples of Tens

80 x 3 =

• 230

• 240

• 250

• 803

4 x 40 =

• 40

• 440

• 160

• 44

5 x 50 =

• 200

• 250

• 275

• 300

Which of the following expressions are another way to write 5 x 40 =

• (5 x 4) x 10

• 20 x 10

• 5 x (4 x 10)

• 5 x (4 + 10)

Which of the following expressions are another way to write 60 x 6 =

• (6 x 6) x 10

• 36 x 10

• 10 x 6 x 6

• 6 x (6 + 10)

Which of the following expressions is a way to show 200?

• 20 x 10

• 2 x 10 x 10

• 5 x 4 x 10

• 200 x 1

Which of the following expressions is a way to show 60?

• 2 x 30

• 30 x 2

• 2 x 3 x 10

• 2 x 3 x 6

There are 3 groups of 30 students walking into the stadium. Each student buys 2 hot dogs. How many hot dogs did the students buy at the stadium?

• 60

• 80

• 180

• 240

Which expression would you use to help you solve for 7 x 80?

• 7 x 8 x 10

• 78 x 10

• 7 x 10 x 9

• 8 x 9 x 10

Which of the following expressions are another way to write 70 x 7 =

• (7 x 7) x 10

• 49 x 10

• 7 x (70 x 10)

• 7 x (7 + 10)