by MathPickle | Aug 12, 2021 |
Three Color Triangle Puzzles (MathPickle 2021) This logic puzzle is inspired by the brilliant Mathologer video below. The tricks presented above are proved below. Playing with these puzzles is good for upper elementary, but younger kids can get a lot of value from...
by MathPickle | Jul 30, 2021 |
Rainbow Sudoku (MathPickle 2021 – Inspired by Amar Sodhi) In regular sudoku and pentomino sudoku numbers are given as clues. Each region needs exactly one copy of each number. That’s true whether the regions are 3×3 squares or pentominoes. In Rainbow...
by MathPickle | Jun 5, 2019 |
Packing Pasta (MathPickle, 2019) This problem is good to introduce volume and density calculations to a classroom. Top students and those interested can continue to the greatest packing website in recreational mathematics: Erich’s Packing Center. The pages...
by MathPickle | Mar 19, 2019 |
If you have not seen the original jumping frogs puzzle you might want to watch the video below – paying special attention to the lazy toads. This exploration starts out with an exploration of lily pads linked together – but not necessarily in a line. The...
by MathPickle | May 24, 2018 |
Blotch (MathPickle, 2018) Students can tackle this puzzle when working on either counting or adding. If students are practicing counting and don’t have addition skills they will find it more of a challenge to cover the canvas with blotches. Start with a 5×5...
