1.	Estimate 25.412 - 6.93 by rounding.
		A.	19	B.	17
		C.	20	D.	18
		Hint
	2.	Which fraction is when written in simplest form?
		A.		B.
		C.		D.
		Hint
	3.	Find the least common denominator for and
		A.	50	B.	10
		C.	5	D.	15
		Hint
	4.	What is the least common denominator for and
		A.	36	B.	72
		C.	9	D.	12
		Hint
	5.	Express in simplest form.
		A.		B.
		C.		D.
		Hint
	6.	Estimate 78.3 + 23.1 by rounding.
		A.	80	B.	90
		C.	101.4	D.	100
		Hint
	7.	Find the least common denominator for and .
		A.	112	B.	14
		C.	56	D.	24
		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