1.	Solve x + 4 = 7.
		A.	11	B.	–3
		C.	–11	D.	3
		Hint
	2.	Solve m + 2 = 7.
		A.	9	B.	5
		C.	–5	D.	–9
		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 + 1 = 5; x = 4
		B.	x + 1 = 5; x = 6
		C.	x + 5 = 1; x = 6
		D.	x + 5 = 1; x = –4
		Hint
	5.	Solve c + 4 = 2.
		A.	6	B.	–6
		C.	2	D.	–2
		Hint