1.	The equation x + 3 = 5 is modeled below. To solve this problem using the model, what should you do first?
		A.	Remove 5 positive counters from the right side of the mat.
		B.	Add 5 negative counters to the left side of the mat.
		C.	Add 3 positive counters to each side of the mat.
		D.	Remove 3 positive counters from each side of the mat.
		Hint
	2.	Solve x + 3.57 = 6.87.
		A.	2.43	B.	3.20
		C.	3.30	D.	10.44
		Hint
	3.	The sum of the measures of the angles of a triangle is 180°. Find the missing measure.
		A.	75	B.	90
		C.	80	D.	100
		Hint
	4.	Solve 1 = p - 16.
		A.	17	B.	16
		C.	-15	D.	1
		Hint
	5.	Solve 3.2 + y = 8.7.
		A.	11.9	B.	8.7
		C.	-3.2	D.	5.5
		Hint