1.	Which equation does the model represent?
		A.	x + 5 = -1	B.	x + (-5) = 1
		C.	x + 5 = 1	D.	x + (-5) = -1
		Hint
	2.	Solve the equation -8 = a + (-3).
		A.	-5	B.	11
		C.	5	D.	-11
		Hint
	3.	To model the equation x + (-3) = 6 using algebra tiles, which tiles should you use on the left side of the mat?
		A.	one yellow square tile and 3 red square tiles	B.	one red square tile and 3 yellow square tiles
		C.	one green rectangular tile and 3 yellow square tiles	D.	one green rectangular tile and 3 red square tiles
		Hint
	4.	Solve the equation x + 8 = 4.
		A.	x = 4	B.	xv = -12
		C.	x = -4	D.	x = 12
		Hint
	5.	Which equation does the model represent?
		A.	x + 7 = -4	B.	x + (-4) = 7
		C.	x + (-7) = 4	D.	x + 4 = -7
		Hint