Multiply 10s and 100s

3 x 4 = ?

• 9

• 15

• 7

• 12

3 x 40 = ?

• 1600

• 120

• 43

• 90

30 x 4 = ?

• 1600

• 34

• 120

• 90

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 _____.

20 x 9 = ?

• 29

• 110

• 180

• 81

90 x 2 = ?

• 180

• 81

• 110

• 92

90 x 20 = ?

• 18

• 180

• 1,800

• 18,000

12 x 2 = ?

• 14

• 28

• 24

• 10

12 x 20 = ?

• 280

• 240

• 32

• 140

If 16 x 30 = 480

What is 160 x 30 = ?

• 190

• 490

• 4,800

• 48,000