1.	Solve x + 4 = 7.
		A.	–11	B.	–3
		C.	11	D.	3
		Hint
	2.	Solve m + 2 = 7.
		A.	–9	B.	9
		C.	5	D.	–5
		Hint
	3.	Solve –2 + d = –4.
		A.	2	B.	–2
		C.	6	D.	–6
		Hint
	4.	Decide which addition equation the model represents. Then solve the equation.
		A.	x + 5 = 1; x = 6
		B.	x + 1 = 5; x = 4
		C.	x + 5 = 1; x = –4
		D.	x + 1 = 5; x = 6
		Hint
	5.	Solve c + 4 = 2.
		A.	–6	B.	2
		C.	–2	D.	6
		Hint