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.	$10
		C.	$20	D.	$15
		Hint
	2.	Estimate 6.95 + 12.03 using rounding.
		A.	17	B.	16
		C.	18	D.	19
		Hint
	3.	Estimate the sum of 0.42, 0.41, 0.43, and 0.39.
		A.	1.50	B.	0.40
		C.	1.40	D.	1.60
		Hint
	4.	To estimate 259.8 – 67 to the nearest whole number, which is the best way to round?
		A.	260 – 67	B.	260 – 70
		C.	259 – 70	D.	259 – 67
		Hint
	5.	Estimate 100.6 + 44.1 using front-end estimation.
		A.	140	B.	100
		C.	200	D.	150
		Hint