1.	Solve z + 6 = 3.
		A.	3	B.	9
		C.	–9	D.	–3
		Hint
	2.	Solve –2 + d = –4.
		A.	–2	B.	6
		C.	–6	D.	2
		Hint
	3.	Solve t + 3 = –2.
		A.	–5	B.	1
		C.	2	D.	–3
		Hint
	4.	Decide which addition equation the model represents. Then solve the equation.
		A.	y – 7 = 2; y = –5
		B.	y + 2 = –7; y = –5
		C.	y – 7 = 2; y = 9
		D.	y + 2 = –7; y = –9
		Hint
	5.	Solve b + 1 = –3.
		A.	4	B.	–2
		C.	–4	D.	2
		Hint