Rounding to the nearest 10

Difficulty Starter · Set b9ix8l

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

1
Round 57 to the nearest ten.
2
Round 98 to the nearest ten.
3
Round 33 to the nearest ten.
4
Round 32 to the nearest ten.
5
Round 33 to the nearest ten.
6
Round 93 to the nearest ten.
7
Round 13 to the nearest ten.
8
Round 86 to the nearest ten.
9
Round 64 to the nearest ten.
10
Round 30 to the nearest ten.
11
Round 82 to the nearest ten.
12
Round 83 to the nearest ten.
13
Round 53 to the nearest ten.
14
Round 46 to the nearest ten.
15
Round 42 to the nearest ten.
16
Round 12 to the nearest ten.
17
Round 23 to the nearest ten.
18
Round 52 to the nearest ten.
19
Round 17 to the nearest ten.
20
Round 84 to the nearest ten.

What is in this set

The numbers in this set run from 10 to 99.
47% of them round down.
43% of them round up.
A careful solution takes 2 written steps on average.
The mistake this set invites most often, in 53% of the problems: rounded down every time.
Answers are a whole number.

Drawing 240 problems from this page produced 84 different ones, 35% — 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 3 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.