1.	Find –1 + 2.
		A.	–1	B.	3
		C.	–3	D.	1
		Hint
	2.	Find 6 + (–10).
		A.	16	B.	–4
		C.	–16	D.	4
		Hint
	3.	Choose the addition sentence that represents the model.
		A.	–3 + (–1) = –4	B.	5 + (–1) = 4
		C.	6 + (–2) = 4	D.	–5 + 1 = –4
		Hint
	4.	Choose the addition sentence that represents the model.
		A.	2 + (–6) = –4	B.	6 + 2 = 8
		C.	8 + (–4) = 4	D.	6 + (–2) = 4
		Hint
	5.	Find –4 + 5.
		A.	9	B.	1
		C.	–1	D.	–9
		Hint