1.	The equation x + 3 = 5 is modeled below. To solve this problem using the model, what should you do first?
		A.	Remove 3 positive counters from each 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 5 positive counters from the right side of the mat.
		Hint
	2.	Solve w + 3 = 11.
		A.	8	B.	7
		C.	9	D.	14
		Hint
	3.	If you decrease a number by 4 the result is 3. Solve n – 4 = 3 to find the number?
		A.	6	B.	7
		C.	–1	D.	1
		Hint
	4.	The sum of the measures of the angles of a triangle is 180°. Find the missing measure.
		A.	75	B.	80
		C.	90	D.	100
		Hint
	5.	Solve 3.2 + y = 8.7.
		A.	5.5	B.	11.9
		C.	8.7	D.	-3.2
		Hint