1.	Find –2 + (–4).
		A.	–2	B.	2
		C.	–6	D.	6
		Hint
	2.	Find 2 – (–5).
		A.	–3	B.	3
		C.	7	D.	–7
		Hint
	3.	Find an addition and subtraction equation that represents the number lines below.
		A.	–6 + –1 = –7 –6 – 1 = –7	B.	–6 + 1 = 5 –6 – –1 = 5
		C.	–6 + 7 = 1 –6 – –7 = 1	D.	1 + –6 = –5 1 – 6 = –5
		Hint
	4.	The formula for converting Celsius temperatures (C) to Kelvin (K) temperatures is K = C + 273. Find the Kelvin scale temperature of –98°C.
		A.	–371 K	B.	371 K
		C.	175 K	D.	–175 K
		Hint
	5.	Find the number you can put in the blank to make a sum less than zero.
		A.	Answer must be less than .
		B.	Answer must be less than .
		C.	Answer must be less than or equal to .
		D.	Answer must be greater than .
		Hint