1.	Find the product 4 · 6 · 5 mentally.
		A.	20	B.	100
		C.	80	D.	120
		Hint
	2.	Name the property shown by the statement 6(2m) = (6 · 2)m.
		A.	Commutative Property of Multiplication
		B.	Associative Property of Addition
		C.	Commutative Property of Addition
		D.	Associative Property of Multiplication
		Hint
	3.	Simplify 5 · x · 10.
		A.	15 + x	B.	50 + x
		C.	15x	D.	50x
		Hint
	4.	Find 50 · (13 · 2) mentally.
		A.	1300	B.	1200
		C.	750	D.	130
		Hint
	5.	Simplify (r + 6) + 27.
		A.	r + 33	B.	r + 21
		C.	6r + 27	D.	33r
		Hint