What percentage one number is of another

Difficulty Standard · Set i7ss30

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

1
216 out of 540 is what percentage?
2
18 out of 60 is what percentage?
3
11 out of 220 is what percentage?
4
80 out of 100 is what percentage?
5
90 out of 600 is what percentage?
6
120 out of 480 is what percentage?
7
270 out of 540 is what percentage?
8
320 out of 400 is what percentage?
9
63 out of 420 is what percentage?
10
20 out of 40 is what percentage?
11
84 out of 140 is what percentage?
12
6 out of 40 is what percentage?
13
330 out of 440 is what percentage?
14
324 out of 540 is what percentage?
15
33 out of 220 is what percentage?
16
80 out of 400 is what percentage?
17
48 out of 160 is what percentage?
18
96 out of 160 is what percentage?
19
88 out of 440 is what percentage?
20
144 out of 360 is what percentage?

What is in this set

The numbers in this set run from 3 to 600.
A careful solution takes 2 written steps on average.
The mistake this set invites most often, in 100% of the problems: the two numbers were subtracted.
Answers are a whole number.

Drawing 240 problems from this page produced 170 different ones, 71% — 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.