Input and Output Table

What rule would explain this input output table?

• The output is 3 times as much as the input.

• The input is 3 times as much as the output.

• The output is 8 times as much as the input.

• The input is 8 times as much as the output.

Which gives the correct output for 40 and 35?

• 45
  40

• 35
  30

• 8
  7

• 8
  6

Which gives the correct output for 54 and 69?

• 64
  79

• 44
  59

• 44
  60

Which gives the correct output for 46 and 79?

• 50
  80

• 36
  69

• 460
  790

• 56
  89

Which gives the correct output for 6 and 10?

• 18
  30

• 6
  10

• 12
  20

• 13
  19

Which gives the correct output for 63 and 72?

• 7
  8

• 6
  7

• 7
  9

• 8
  9

What is the rule?
What numbers complete this table?

• -6
  4 and 10

• ÷2
  5 and 8

• x2
  20 and 32

What is the rule?
What numbers complete this table?

• +12
  20 and 22

• x2
  16 and 20

• x7
  56 and 70

What is the rule for this in and out table?

• add 10

• add 8

• add 7

• add 6

Which gives the correct output for 12 and 15?

• 13
  16

• 15
  18

• 9
  12

• 9
  11