1.	Estimate 25.412 - 6.93 by rounding.
		A.	19	B.	17
		C.	20	D.	18
		Hint
	2.	Find the least common denominator for and
		A.	5	B.	10
		C.	50	D.	15
		Hint
	3.	What is the least common denominator for and
		A.	9	B.	12
		C.	72	D.	36
		Hint
	4.	Express in simplest form.
		A.		B.
		C.		D.
		Hint
	5.	Estimate 5.21 - 1.9 by rounding.
		A.	6	B.	13
		C.	10	D.	3
		Hint
	6.	Estimate 6.8 - 2.5 by rounding.
		A.	14	B.	10
		C.	4	D.	0.4
		Hint
	7.	Write as a mixed number.
		A.		B.
		C.		D.
		Hint
	8.	Write as a mixed number.
		A.		B.
		C.		D.
		Hint
	9.	Write as a mixed number.
		A.		B.
		C.		D.
		Hint
	10.	Write as a mixed number.
		A.		B.
		C.		D.
		Hint