1.	Darnell's lunch cost $4.79. He gave the cashier a $20 bill. About how much change can he expect to receive?
		A.	$15	B.	$10
		C.	$5	D.	$20
		Hint
	2.	To estimate 17.7 + 36.1 to the nearest whole number, which is the best way to round?
		A.	17 + 37	B.	18 + 37
		C.	18 + 36	D.	17 + 36
		Hint
	3.	Estimate the sum of 0.42, 0.41, 0.43, and 0.39.
		A.	1.60	B.	0.40
		C.	1.40	D.	1.50
		Hint
	4.	Rachelle has a cat named Oscar that weighs 28.64 lb. A month ago, Oscar weighed 25.72 lb. To the nearest pound, how much has he gained?
		A.	2.9 lb	B.	4.1 lb
		C.	3 lb	D.	4 lb
		Hint
	5.	Estimate 100.6 + 44.1 using front-end estimation.
		A.	150	B.	100
		C.	140	D.	200
		Hint