Multiplying by 10s

Which two equations are true?

• 4 X 40 = 440

• 7 X 30 = 210

• 8 X 40 = 120

• 50 X 3 = 150

• 70 X 4 = 740

Which of the following expressions have the same solution as 4 X 90?

• 30 X 6

• 6 X 60

• 8 X 30

Find the product:

80 X 5 =?

Find the product:

90 X 2 =?

10 X 60 = 600

• True

• False

50 X 10 = 50

• True

• False

Find the product:

7 X 80 =?

Which of the following answers shows a correct way to find the value of 6 X 20?

• 2 X 10

• 6 X 2

• 6 groups of 2 ones

• 6 groups of 2 tens

Which number makes 5 X ____ = 400 true?

• 40

• 8

• 80

• 100

Aliza has 4 boxes with 20 cupcakes in each box. How many cupcakes does Aliza have in all?

• 420

• 400

• 8

• 80