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