Decade numbers

Which is NOT a decade number?

• 10

• 30

• 15

• 20

Which is a decade number?

• 31

• 30

• 18

• 14

Which is a decade number?

• 19

• 5

• 84

• 100

Which is NOT a decade number?

• 40

• 30

• 98

• 100

Which is a decade?

• 40, 41, 42 ,43, 44, 45, 46, 47, 48, 49

• 30

• 41, 42, 43, 44, 45, 46, 47, 48, 49, 50

• 92

Which is NOT a decade?

• 40, 41, 42 ,43, 44, 45, 46, 47, 48, 49

• 30, 31, 32, 33, 34, 35, 36, 37, 38, 39

• 10, 11, 12, 13, 14, 15, 16, 17, 18, 19

• 92, 93, 94, 95, 96, 97, 98, 99, 100

Choose the MIDPOINT:

1, 2, 3, 4, 5, 6, 7, 8, 9

• 5

• 6

• 7

Choose the MIDPOINT:

12, 13, 14, 15, 16

• 15

• 16

• 14

Choose the MIDPOINT:

95, 96, 97, 98, 99

• 99

• 97

• 95

Choose the MIDPOINT:

20, 21, 22, 23, 24, 25, 26

• 23

• 22

• 25