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 = 12 – 5	B.	output = input + 5
		C.	output = 5 × input + 2	D.	output = (input + 1) × 2
		Hint
	2.	Find the rule for the table below.
		A.	output = input – 2	B.	output = input + input ÷ 2
		C.	output = input ? 3	D.	output = 2 × input – 5
		Hint
	3.	How many toothpicks are in Term 5?
		A.	28	B.	22
		C.	21	D.	18
		Hint
	4.	Find a rule for the toothpick sequence.
		A.	number of toothpicks = 4 × term number + 2
		B.	number of toothpicks = term number + 4
		C.	number of toothpicks = 6 × term number
		D.	number of toothpicks = 4 × term number – 4
		Hint
	5.	How many toothpicks are in Term 100?
		A.	100	B.	99
		C.	101	D.	102
		Hint