Writing a percentage as a decimal

Difficulty Starter · Set 3rmz8q

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1
Write 20% as a decimal.
2
Write 5% as a decimal.
3
Write 75% as a decimal.
4
Write 5% as a decimal.
5
Write 20% as a decimal.
6
Write 75% as a decimal.
7
Write 5% as a decimal.
8
Write 75% as a decimal.
9
Write 5% as a decimal.
10
Write 20% as a decimal.
11
Write 5% as a decimal.
12
Write 5% as a decimal.
13
Write 25% as a decimal.
14
Write 75% as a decimal.
15
Write 20% as a decimal.
16
Write 25% as a decimal.
17
Write 50% as a decimal.
18
Write 25% as a decimal.
19
Write 25% as a decimal.
20
Write 50% as a decimal.

What is in this set

The numbers in this set run from 5 to 75.
A careful solution takes 1 written step on average.
The mistake this set invites most often, in 100% of the problems: the point moved one place; per cent means per hundred, so it moves two.
Answers are a decimal.

Drawing 240 problems from this page produced 5 different ones, 2% — 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 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.