Finding a fraction of a number

Difficulty Standard · Set bnbmbc

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1
What is58of 72?
2
What is57of 49?
3
What is27of 84?
4
What is78of 72?
5
What is27of 119?
6
What is67of 63?
7
What is45of 65?
8
What is47of 154?
9
What is17of 70?
10
What is25of 65?
11
What is47of 98?
12
What is45of 135?
13
What is18of 64?
14
What is13of 36?
15
What is710of 180?
16
What is13of 96?
17
What is14of 168?
18
What is47of 161?
19
What is13of 39?
20
What is37of 14?

What is in this set

The numbers in this set run from 1 to 200.
A careful solution takes 2 written steps on average.
The mistake this set invites most often, in 43% of the problems: the whole was multiplied by the top only — the bottom says how many parts to cut it into first.
Answers are a whole number.

Drawing 240 problems from this page produced 211 different ones, 88% — 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 4 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.