D+
-10 -9
-2 -1
0 1
A Days 1 and 2
B Days 2 and 3
C Days 1, 2, and 4
D Days 3, 4, and 5
2 3
16. Elena is reading a thermometer outside of her
classroom. The incomplete equations below represent
readings on the thermometer for different days.
Day 1: -7+6=
Day 2: 11-4 =
Day 3: -1-9=
Day 4: -1+-5=
Day 5: -5+ -2 =
Elena records some of the readings on a thermometer
diagram using arrows.
Which days are recorded on the thermometer?
5 6
4
N O
2
LA
8 9
10