1.	The equation x + 3 = 5 is modeled below. To solve this problem using the model, what should you do first?
		A.	Add 3 positive counters to each side of the mat.
		B.	Remove 5 positive counters from the right side of the mat.
		C.	Remove 3 positive counters from each side of the mat.
		D.	Add 5 negative counters to the left side of the mat.
		Hint
	2.	Solve 5 = t – 6.
		A.	10	B.	–1
		C.	1	D.	11
		Hint
	3.	If you decrease a number by 4 the result is 3. Solve n – 4 = 3 to find the number?
		A.	7	B.	–1
		C.	6	D.	1
		Hint
	4.	The sum of the measures of the angles of a triangle is 180°. Find the missing measure.
		A.	80	B.	100
		C.	90	D.	75
		Hint
	5.	Solve x + 9 = 11.
		A.	2	B.	9
		C.	11	D.	-2
		Hint