Math MysteriesMake a mystery

Order of operations Math Mystery Worksheets

These free printable order of operations math mysteries (grades 5–8) turn order of operations practice into a whodunit: kids solve order of operations problems to decode clues and unmask the culprit. Every case has one verified solution, prints in a click, and is free. Make one now →

72 order of operations cases to print

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

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Addition204Subtraction192Multiplication175Division181Rounding137Place value110Skip counting67Missing addends77Fractions of a number42Percentages39Exponents51Integers16Square roots18Pythagorean theorem18Two-step equations28

FAQ

Are these order of operations math mysteries 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 order of operations 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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