1.	The equation x + 3 = 5 is modeled below. To solve this problem using the model, what should you do first?
		A.	Add 5 negative counters to the left side of the mat.
		B.	Remove 3 positive counters from each 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.	7	B.	8
		C.	9	D.	14
		Hint
	3.	Solve 5 = t – 6.
		A.	1	B.	11
		C.	–1	D.	10
		Hint
	4.	If you decrease a number by 4 the result is 3. Solve n – 4 = 3 to find the number?
		A.	7	B.	6
		C.	–1	D.	1
		Hint
	5.	The sum of the measures of the angles of a triangle is 180°. Find the missing measure.
		A.	80	B.	75
		C.	100	D.	90
		Hint