1.	1.Which fraction modeled below rounds to 1 when rounding to the nearest ?
		A.		B.
		C.		D.
		Hint
	2.	Estimate .
		A.	17	B.	2
		C.	3	D.	11
		Hint
	3.	About how many -inch ribbons can a seamstress cut from a 36-inch ribbon?
		A.	6	B.	4
		C.	5	D.	7
		Hint
	4.	Estimate × 21.
		A.	16	B.	11
		C.	28	D.	15
		Hint
	5.	Estimate ÷ .
		A.	1	B.	2
		C.		D.	0
		Hint