1.	Find 3 – 7.
		A.	–10	B.	4
		C.	10	D.	–4
		Hint
	2.	Find –4 – 6.
		A.	–2	B.	2
		C.	10	D.	–10
		Hint
	3.	Find –3 – 7.
		A.	–4	B.	10
		C.	–10	D.	4
		Hint
	4.	Choose the subtraction sentence represented by the model.
		A.	2 – 3 = –1	B.	2 – (–3) = 5
		C.	–2 – (–3) = 1	D.	–2 – 3 = –5
		Hint
	5.	Choose the subtraction sentence represented by the model.
		A.	–10 – (–5) = –5	B.	10 – (–5) = 15
		C.	–10 – 5 = –15	D.	10 – 5 = 5
		Hint