1.
In a game of
What's My Rule?
the first clue was ''5 gives 12.'' Write a rule that fits this clue.
A.
output = input + 5
B.
output = 12 – 5
C.
output = (input + 1) × 2
D.
output = 5 × input + 2
Hint
2.
In a game of
What's My Rule?
the first clue was ''3 gives 3.'' Write a rule that fits this clue.
A.
output = (input + input) ÷ 2
B.
output = 2 ÷ input + 0
C.
output = input + 3
D.
output = input × 0
Hint
3.
How many toothpicks are in Term 5?
A.
9
B.
11
C.
16
D.
19
Hint
4.
How many toothpicks are in Term 5?
A.
21
B.
18
C.
22
D.
28
Hint
5.
Find a rule for the toothpick sequence.
A.
number of toothpicks = term number
B.
number of toothpicks = 1 + term number
C.
number of toothpicks = 2 × term number – 1
D.
number of toothpicks = term number – 1
Hint