Logic Puzzles

Mr. Merrick

A home base for logic puzzles, and an open-source puzzle library—featuring curated resources and original class-created puzzles.

🧠 Custom Puzzles

Hex Battle
Hex Math Path
Crossnumber

🔍 Locked Out Math Puzzles

Puzzle-filled escape-room style challenges where students use clues, deduction, and math to unlock the final answer.

Locked Out – Jurassic Park

The island Isla Nobler has been abandoned for many years. You are an entrepreneur who is trying to make the park operational. Consult each one of the experts to ensure the park’s operation and sustainability.

Prerequisite Math

  • Unit Analysis
  • Linear Systems of Equations
  • Cartesian Coordinates
Locked Out – Among Us

Emergency protocols are active. One crewmate is not who they claim to be. Follow the evidence, complete your tasks, and eject the imposter before it’s too late.

Prerequisite Math

  • Plotting Lines
  • Equations of Lines
  • Linear Systems of Equations
  • Exponents
Locked Out – Super Mario

Bowser has kidnapped Princess Peach and sealed her inside his secret lair. Solve each challenge, collect the hidden clues, and piece together the final code before time runs out!

Prerequisite Math

  • Linear Systems of Equations
  • Probability
Locked Out – Star Wars

Those rebel scum continue to scourge the galaxy. Locate their base so that we can wipe them out and bring peace and security to the empire.

Prerequisite Math

  • The Normal Distribution
  • Conditional Probability
  • Standard Normal Tables
  • Random Variables
Locked Out – Pokémon

Professor Oak is researching a new legendary Pokémon. He is sending you into the field to pinpoint the rare Pokémon location — and catch it.

Prerequisite Math

  • Mean, Median, Mode
  • Interpreting Histograms and Box Plots
  • Analyzing Data
  • Conditional Probability
  • Systems of Equations

💣 Math Bombs

Puzzle-filled escape-room style challenges where students use clues, deduction, and math to defuse a 'math bomb'.

Math Bomb Puzzle I

Prerequisite Math

  • Counting # of divisors a number has
  • Properties of quadrilaterals
  • Simple shape algebra (with some tricks)
Math Bomb Puzzle II

Prerequisite Math

  • Counting # of divisors a number has
  • Angles of rotation
  • Number sequences
Math Bomb Puzzle III

Prerequisite Math

  • Shape algebra (count the points!)
  • Angles of rotation
  • Inequalities
  • Counting # of divisors a number has
Math Bomb Puzzle IV

Prerequisite Math

  • Addition and subtraction of fractions
  • Algebra
Math Bomb Puzzle V

Prerequisite Math

  • Systems of linear equations
  • Problem solving using ratios
  • Algebra
Math Bomb Puzzle VI

Prerequisite Math

  • Probability
  • Conditional Probability
  • The Binomial and Geometric Distributions

🧩 Puzzle Websites