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