Doubling

Double 2

• 2

• 4

• 20

• 6

Double 7

• 16

• 7

• 14

• 9

Double 10

• 100

• 20

• 10

• 12

Double 6

• 12

• 8

• 16

• 14

Double 12

• 14

• 20

• 18

• 24

Double 8

• 10

• 8

• 16

• 18

Which one correctly shows double 4 by adding

• 4 + 2

• 4 x 2

• 4 + 4

• 2 + 1

Which one correctly shows double 4 by multiplication

• 4 + 2

• 4 x 2

• 4 + 4

• 2 + 1

4 + 4 and 4 x 2 are two ways to double

• 2

• 4

• 8

• 6

6 + 6 and 6 x 2 are two ways that show double

• 8

• 2

• 6

• 12