1.
Find –2 + (–4).
A.
6
B.
2
C.
–6
D.
–2
Hint
2.
Find 2 – (–5).
A.
–7
B.
–3
C.
7
D.
3
Hint
3.
Find an addition and subtraction equation that represents the number lines below.
A.
1 + –6 = –5
1 – 6 = –5
B.
–6 + –1 = –7
–6 – 1 = –7
C.
–6 + 1 = 5
–6 – –1 = 5
D.
–6 + 7 = 1
–6 – –7 = 1
Hint
4.
Find the sum. Then find a subtraction equation that is equivalent to the addition equation.
–8 + –3
A.
–8 + –3 = –11
–8 – 3 = 11
B.
–8 + –3 = –11
–8 – 3 = –11
C.
–8 + –3 = 11
–8 – 3 = 11
D.
–8 + –3 = –5
–8 – 3 = –5
Hint
5.
The formula for converting Celsius temperatures (
C
) to Kelvin (
K
) temperatures is
K
=
C
+ 273. Find the Kelvin scale temperature of –98°
C
.
A.
175
K
B.
–175
K
C.
–371
K
D.
371
K
Hint