Multiplying by 10 and 11

5 x 10

• 5

• 50

• 15

• 10

11 x 7

• 18

• 77

• 7

• 11

10 x 12

• 100

• 120

• 22

• 20

5 x 11

• 5

• 55

• 50

• 16

3 x 11=

• 33

• 8

• 14

• 3 r 2

What do you do when multiplying by 11? Take 2 for an example to make it easier.

• You can simply multiply it (11 multiplied by 2 = 22)

• You should divide it (11 divided by 2 = 5 r 1 [You can also get 55])

• You can simply add it (11 plus 2 = 13)

• You can simply subtract it (11 minus 2 = 9) 

11 x 5 =

• 55

• 66

• 77

• 88

12 x 10 =

• 10

• 12

• 120

• ∞ Infinity

12 x 11 =

• 11

• 12

• 132

• None of the Above

10 x 20 =

• 200

• 45

• 25

• 30