Metric area units, upwards

Difficulty Standard · Set jw1sl9

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1
How many square centimeters are there in 1100 square millimeters?
2
How many square meters are there in 90000 square centimeters?
3
How many square meters are there in 100000 square centimeters?
4
How many square centimeters are there in 1400 square millimeters?
5
How many square centimeters are there in 800 square millimeters?
6
How many square meters are there in 170000 square centimeters?
7
How many square centimeters are there in 300 square millimeters?
8
How many square centimeters are there in 1800 square millimeters?
9
How many square centimeters are there in 1500 square millimeters?
10
How many square centimeters are there in 1200 square millimeters?
11
How many square meters are there in 130000 square centimeters?
12
How many square centimeters are there in 600 square millimeters?
13
How many square centimeters are there in 400 square millimeters?
14
How many square centimeters are there in 1200 square millimeters?
15
How many square meters are there in 40000 square centimeters?
16
How many square meters are there in 110000 square centimeters?
17
How many square centimeters are there in 1300 square millimeters?
18
How many square meters are there in 180000 square centimeters?
19
How many square meters are there in 80000 square centimeters?
20
How many square centimeters are there in 1000 square millimeters?

What is in this set

The numbers in this set run from 200 to 200,000.
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: 100 is the factor between the lengths.
Answers are a whole number.

Drawing 240 problems from this page produced 38 different ones, 16% — 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.