Read the hook
Start with one short claim or number from a real news story.
News-inspired scale challenges
Test your sense of scale using real stories from the news.
Make one quick estimate, compare it with a sourced answer, and see whether your intuition landed in the right neighborhood.
62 challenges · 60 scored first passes · New problems from current news
Latest challenge
Earth, climate, and environmentAbout 1 minute
How much energy does it take to drop 240,000 liters of water on a wildfire?
AP reported that four helicopters made about 170 water drops in one day near Villa de Leyva, Colombia, releasing roughly 240,000 liters of water as more than 400 people joined the wildfire response.
Make your estimateHow it works
Guess. Check. Learn.
Choose the scale
Trust your first instinct and lock in the answer that feels closest.
See the gap
Get the checked estimate, your factor high or low, and the useful lesson.
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Matt's results
59.8 / 100 reasoning score
Across 60 scored problems, Matt's strongest established subject is Public systems and economics.
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