Multiply by Tens Hundreds

90 x 20 = ?

• 18

• 180

• 1,800

• 18,000

If 16 x 30 = 480

What is 160 x 30 = ?

• 190

• 490

• 4,800

• 48,000

Considering the last three questions, what did multiplying the factor 3 or 4 by 10 do to the product (total)? The product was also multiplied by _____.

7x10

• 70

• 140

• 77

• 17

4x10

• 40

• 44

• 14

• 80

11x10

• 110

• 101

• 111

• 21

9x10

• 90

• 180

• 99

• 19

27 x 100 = 

• 2,700

• 270

• 27,000

• 270,000

40x10=

• 4

• 40

• 4,000

• 400

The value of the circled digit is ______ the value of the boxed digit.

• ten times

• one-tenth

• one hundred times

• forty times