Code-breaking detective puzzles  ·  Ages 9–12

Math Search
Mysteries

100 short cases for kids who like quick wins. Solve the math, find the clues, crack the case. Each one takes a few minutes, so it fits into a car ride, a waiting room or the ten minutes before dinner.

  • 100 cases to solve: plenty of detective work in one book
  • Every answer is a clue: the numbers you find spell out the solution
  • Short and self-contained: start anywhere, stop anytime
Get it on Amazon
Math Search Mysteries: A Code-Breaking Math Detective Puzzle Book for Kids, ages 9–12
How it works

Three steps to the culprit

  1. 1

    Solve the math

    Each case starts with a short set of problems. Work them out on the page.

  2. 2

    Find the clues

    Your answers point to the clues hidden in the case.

  3. 3

    Crack the case

    Put the clues together to reveal the code word and close the file.

Solved them all?

More math mysteries

Who Did This?! book cover Ages 8–12

Who Did This?!

One funny disaster, a thousand suspects, one prankster.

 The Math Detective Agency book cover Ages 9–12

The Math Detective Agency

Secret missions, real codes and the math school never teaches.