1.	Find the difference.
		A.	88	B.	86
		C.	90	D.	84
		Hint
	2.	Merilee has 94 new books to shelve in the bookstore. So far, she has shelved 27 books. How many books are left to be put away?
		A.	67	B.	64
		C.	77	D.	57
		Hint
	3.	A can holds three tennis balls. How many cans do you need if you want 18 tennis balls?
		A.	5	B.	15
		C.	3	D.	6
		Hint
	4.	Round 472 to its greatest place value.
		A.	400	B.	500
		C.	470	D.	480
		Hint
	5.	Round 32,710 to its greatest place value.
		A.	32,700	B.	33,000
		C.	32,800	D.	30,000
		Hint