Reading a scale drawing

Difficulty Stretch · Set fpt6e8

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1
A plan is drawn at 1 : 100. A wall is 69 cm on the plan. How long is the wall in real life, in meters?
2
A plan is drawn at 1 : 20. A wall is 18 cm on the plan. How long is the wall in real life, in meters?
3
A plan is drawn at 1 : 50. A wall is 63 cm on the plan. How long is the wall in real life, in meters?
4
A plan is drawn at 1 : 200. A wall is 78 cm on the plan. How long is the wall in real life, in meters?
5
A plan is drawn at 1 : 100. A wall is 22 cm on the plan. How long is the wall in real life, in meters?
6
A plan is drawn at 1 : 50. A wall is 60 cm on the plan. How long is the wall in real life, in meters?
7
A plan is drawn at 1 : 50. A wall is 46 cm on the plan. How long is the wall in real life, in meters?
8
A plan is drawn at 1 : 500. A wall is 76 cm on the plan. How long is the wall in real life, in meters?
9
A plan is drawn at 1 : 100. A wall is 70 cm on the plan. How long is the wall in real life, in meters?
10
A plan is drawn at 1 : 25. A wall is 27 cm on the plan. How long is the wall in real life, in meters?
11
A plan is drawn at 1 : 100. A wall is 31 cm on the plan. How long is the wall in real life, in meters?
12
A plan is drawn at 1 : 50. A wall is 34 cm on the plan. How long is the wall in real life, in meters?
13
A plan is drawn at 1 : 25. A wall is 64 cm on the plan. How long is the wall in real life, in meters?
14
A plan is drawn at 1 : 200. A wall is 25 cm on the plan. How long is the wall in real life, in meters?
15
A plan is drawn at 1 : 25. A wall is 88 cm on the plan. How long is the wall in real life, in meters?
16
A plan is drawn at 1 : 500. A wall is 34 cm on the plan. How long is the wall in real life, in meters?
17
A plan is drawn at 1 : 25. A wall is 73 cm on the plan. How long is the wall in real life, in meters?
18
A plan is drawn at 1 : 200. A wall is 4 cm on the plan. How long is the wall in real life, in meters?
19
A plan is drawn at 1 : 500. A wall is 31 cm on the plan. How long is the wall in real life, in meters?
20
A plan is drawn at 1 : 200. A wall is 68 cm on the plan. How long is the wall in real life, in meters?

What is in this set

The numbers in this set run from 1 to 500.
A careful solution takes 3 written steps on average.
The mistake this set invites most often, in 100% of the problems: the answer was left in centimeters.
Answers are a decimal.

Drawing 240 problems from this page produced 187 different ones, 78% — 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 7 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.