Metric area units, downwards

Difficulty Stretch · Set fj3izk

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

1
How many square millimeters are there in 85 square centimeters?
2
How many square centimeters are there in 88 square meters?
3
How many square centimeters are there in 52 square meters?
4
How many square centimeters are there in 69 square meters?
5
How many square centimeters are there in 28 square meters?
6
How many square centimeters are there in 25 square meters?
7
How many square millimeters are there in 28 square centimeters?
8
How many square millimeters are there in 90 square centimeters?
9
How many square millimeters are there in 29 square centimeters?
10
How many square centimeters are there in 38 square meters?
11
How many square centimeters are there in 75 square meters?
12
How many square millimeters are there in 81 square centimeters?
13
How many square centimeters are there in 73 square meters?
14
How many square centimeters are there in 65 square meters?
15
How many square centimeters are there in 35 square meters?
16
How many square millimeters are there in 32 square centimeters?
17
How many square millimeters are there in 48 square centimeters?
18
How many square millimeters are there in 65 square centimeters?
19
How many square centimeters are there in 29 square meters?
20
How many square millimeters are there in 30 square centimeters?

What is in this set

The numbers in this set run from 2 to 90.
Every problem in it will need the length factor used twice, because the units are square ones.
A careful solution takes 2 written steps on average.
The mistake this set invites most often, in 100% of the problems: 10 is the factor between the lengths.
Answers are a whole number.

Drawing 240 problems from this page produced 132 different ones, 55% — 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.