1.	Darnell's lunch cost $4.79. He gave the cashier a $20 bill. About how much change can he expect to receive?
		A.	$5	B.	$15
		C.	$10	D.	$20
		Hint
	2.	To estimate 17.7 + 36.1 to the nearest whole number, which is the best way to round?
		A.	18 + 37	B.	17 + 36
		C.	17 + 37	D.	18 + 36
		Hint
	3.	Estimate the sum of 0.42, 0.41, 0.43, and 0.39.
		A.	1.40	B.	1.50
		C.	1.60	D.	0.40
		Hint
	4.	To estimate 259.8 – 67 to the nearest whole number, which is the best way to round?
		A.	260 – 70	B.	259 – 70
		C.	259 – 67	D.	260 – 67
		Hint
	5.	Estimate 100.6 + 44.1 using front-end estimation.
		A.	150	B.	200
		C.	140	D.	100
		Hint