1.	How many blocks are used in Stages 1–3?
		A.	3, 7, 10	B.	9, 15, 21
		C.	4, 7, 10	D.	3, 6, 10
		Hint
	2.	Find an expression for the number of blocks in Stage s.
		A.	3s	B.	s + 3
		C.	3s + 1	D.	2s – 1
		Hint
	3.	Find an expression for the number of blocks in Stage s.
		A.	s2	B.	2s + 1
		C.	s + 1	D.	2s2
		Hint
	4.	Without building it, predict the number of blocks in Stage 7.
		A.	100	B.	64
		C.	81	D.	49
		Hint
	5.	Describe this pattern.
		A.	cube pattern	B.	square pattern
		C.	doubling pattern	D.	''add 1'' pattern
		Hint