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Place value Math Whodunit Worksheets

These free printable place value math whodunits (grades 2–3) turn place value practice into a whodunit: kids solve place value problems to decode clues and unmask the culprit. Every case has one verified solution, prints in a click, and is free. Make one now →

116 place value cases to print

Click any case to solve online or print the PDF + answer key.

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🚀Space33⚽Sports71🐾Animals11🏴‍☠️Pirates84👻Spooky43🦕Dinosaurs10🍪Food & treats4🐉Fantasy10
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Addition199Subtraction180Multiplication196Division153Rounding117Skip counting48Missing addends51Fractions of a number117Percentages23Exponents31Order of operations60Integers18Square roots13Pythagorean theorem12Two-step equations20

FAQ

Are these place value math whodunits free to print?
Yes — free to solve online and free to download as a printable PDF, with a built-in answer key and no login.
How does a math mystery work?
Kids solve math problems to decode clues, then use the clues to cross suspects off a grid until one culprit remains. The math is the key; the mystery is the motivation.
Can I make a new place value case?
Yes. Generate a brand-new mystery in about a minute — pick the grade, reading level, and interests, and it's verified to have exactly one solution before you print it.

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