- Eric Friedman Puzzle Collection (highly recommended by Mathpickle)
- Cryptarithm: shape substitution version, basic ones,
- Funny dice
- SolveMe Mobiles
- Make your own coin system
- Multiplication: Miller's Puzzle from Dudeney
- Find the Factors
- Multiples of 7 and asymmetric information: What's my number from Tanya Khovanova
- Nonagrams and battleship puzzles
- Logic Grid puzzles: Two dimensional starters, Logic-Puzzles,
- Distortions logic puzzle (nice twist on truth tellers or liars)
- Questions from an adult, general public, math contest: Math Mama Writes
- Math is Fun collection
- Of course, there are a lot of great puzzles on Mathpickle
- Sudoku
- Number arrangements: magic squares, "magic" triangles and stars
- Zukei geometry puzzles (find the "hidden" shape)
- Area maze, K-maze, B-cross, Shikaku, Dokoeq (all from Naoki Inaba)
- Verruca Values

## Sunday, November 13, 2016

### Puzzling puzzlers

Preparing for classes today, we went through our lists and links to gather a list of puzzles for the kids. Hopefully, this will help short circuit the work we have to do next time.

Labels:
external resource,
math,
puzzle

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Manan Shah has written a series of more challenging cryptarithmetic puzzles. Here is the first of the series: Zeroes and Ones

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