Word problems with temperatures

Difficulty Stretch · Set zbln1i

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1
At dawn the temperature was -15°C. By noon it had risen 31 degrees. What was it at noon, in °C?
2
At dawn the temperature was -4°C. By noon it had risen 24 degrees. What was it at noon, in °C?
3
At dawn the temperature was -19°C. By noon it had risen 12 degrees. What was it at noon, in °C?
4
At dawn the temperature was -27°C. By noon it had risen 2 degrees. What was it at noon, in °C?
5
At dawn the temperature was -17°C. By noon it had risen 5 degrees. What was it at noon, in °C?
6
At dawn the temperature was -29°C. By noon it had risen 31 degrees. What was it at noon, in °C?
7
At dawn the temperature was -27°C. By noon it had risen 33 degrees. What was it at noon, in °C?
8
At dawn the temperature was -20°C. By noon it had risen 31 degrees. What was it at noon, in °C?
9
At dawn the temperature was -10°C. By noon it had risen 24 degrees. What was it at noon, in °C?
10
At dawn the temperature was -5°C. By noon it had risen 35 degrees. What was it at noon, in °C?
11
At dawn the temperature was -23°C. By noon it had risen 15 degrees. What was it at noon, in °C?
12
At dawn the temperature was -3°C. By noon it had risen 12 degrees. What was it at noon, in °C?
13
At dawn the temperature was -19°C. By noon it had risen 29 degrees. What was it at noon, in °C?
14
At dawn the temperature was -7°C. By noon it had risen 25 degrees. What was it at noon, in °C?
15
At dawn the temperature was -1°C. By noon it had risen 36 degrees. What was it at noon, in °C?
16
At dawn the temperature was -8°C. By noon it had risen 26 degrees. What was it at noon, in °C?
17
At dawn the temperature was -25°C. By noon it had risen 17 degrees. What was it at noon, in °C?
18
At dawn the temperature was -21°C. By noon it had risen 8 degrees. What was it at noon, in °C?
19
At dawn the temperature was -16°C. By noon it had risen 9 degrees. What was it at noon, in °C?
20
At dawn the temperature was -28°C. By noon it had risen 24 degrees. What was it at noon, in °C?

What is in this set

The numbers in this set run from 1 to 38.
63% of them cross zero on the way.
37% of them come out negative.
A careful solution takes 2 written steps on average.
The mistake this set invites most often, in 100% of the problems: the rise was taken away; a temperature that rises moves up the scale, towards zero and past it.
Answers are a whole number.

Drawing 240 problems from this page produced 209 different ones, 87% — so a sheet of 20 is a new sheet almost every time.

The same skill, harder or easier

We would put this in front of a grade 6 class. That is our judgement, not a standard, and it is printed here so you can disagree with it. Everything else we put in that year.