Converting Fahrenheit to Celsius

Difficulty Starter · Set egrxm3

Use C = (F − 32) × 5 ÷ 9.

Fill in what you can and press Check. Nothing you type is sent anywhere.

1
Convert 113°F to °C.
2
Convert 50°F to °C.
3
Convert 59°F to °C.
4
Convert 104°F to °C.
5
Convert 86°F to °C.
6
Convert 77°F to °C.
7
Convert 32°F to °C.
8
Convert 77°F to °C.
9
Convert 77°F to °C.
10
Convert 68°F to °C.
11
Convert 50°F to °C.
12
Convert 77°F to °C.
13
Convert 95°F to °C.
14
Convert 113°F to °C.
15
Convert 122°F to °C.
16
Convert 59°F to °C.
17
Convert 86°F to °C.
18
Convert 59°F to °C.
19
Convert 59°F to °C.
20
Convert 32°F to °C.

What is in this set

The numbers in this set run from 32 to 122.
Every problem in it will start above freezing.
A careful solution takes 3 written steps on average.
The mistake this set invites most often, in 89% of the problems: only the 32 was taken off.
Answers are a whole number.

Drawing 240 problems from this page produced 11 different ones, 5% — so a sheet of 20 will come back to a problem you have seen — there are only so many sensible ones of this kind.

The same skill, harder or easier

We would put this in front of a grade 7 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.