[1.] Guess the factor by which the area of the first country must be multiplied
to get the area of the second country.
[2.] The arrows help you:
⬆️ An upward arrow means the correct answer is higher than the number you entered.
⬇️ A downward arrow means the correct answer is lower than the number you entered.
[3.] Your answer counts as correct if the factor you enter is within 2% of the correct factor.
[4.] The proportional world map will help you compare relative sizes.
[5.] Example A:
South Korea 100,210 km²
Poland 312,679 km²
The correct factor is 3.120
South Korea × 3.120 = Poland
[6.] Example B:
South Korea 100,210 km²
Ireland 70,273 km²
The correct factor is 0.701
South Korea × 0.701 = Ireland
[7.] You have six attempts available.
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