Rounding to the nearest 100

Difficulty Stretch · Set xkumdb

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

1
Round 55142 to the nearest hundred.
2
Round 15922 to the nearest hundred.
3
Round 34457 to the nearest hundred.
4
Round 45405 to the nearest hundred.
5
Round 90851 to the nearest hundred.
6
Round 39565 to the nearest hundred.
7
Round 48127 to the nearest hundred.
8
Round 94683 to the nearest hundred.
9
Round 30322 to the nearest hundred.
10
Round 52634 to the nearest hundred.
11
Round 47222 to the nearest hundred.
12
Round 87606 to the nearest hundred.
13
Round 34595 to the nearest hundred.
14
Round 37012 to the nearest hundred.
15
Round 89412 to the nearest hundred.
16
Round 28805 to the nearest hundred.
17
Round 13825 to the nearest hundred.
18
Round 83512 to the nearest hundred.
19
Round 88830 to the nearest hundred.
20
Round 85957 to the nearest hundred.

What is in this set

The numbers in this set run from 10,550 to 99,559.
50% of them round up.
49% of them round down.
A careful solution takes 2 written steps on average.
The mistake this set invites most often, in 51% of the problems: rounded down every time.
Answers are a whole number.

Drawing 240 problems from this page produced 240 different ones, 100% — 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 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.