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 | Jul 28, 2016 |
Armenian rugs cover the floor – sometimes laying atop each other. A whole lot of puzzles arise from trying to find the shape and placement of these rugs. PS. The photo is of the oldest pile rug to be discovered – 2500 years old. It is Armenian, but was...
by MathPickle | Aug 22, 2015 |
Perilous Pipes is an awesome puzzle with a beautiful set of manipulatives. For kindergarten and grade 1 students I show a solution and ask them to recreate it. This is a highly valuable activity akin to following lego instructions to build something, but a little bit...
by MathPickle | Aug 19, 2015 |
In Kindergarten and Grade 1 I use Utopia to get students thinking about patterns. The first pattern I want to emphasize is that exactly one on the four utopian buildings is in each row and column. Some students even in these younger grades are capable of solving the...
by MathPickle | Aug 19, 2015 |
This is a maze puzzle. It is not my favourite, but some students listed it as their favourite and that is more important than my opinion. I like these physical puzzles for use in the classroom where collaboration in pairs is to be encouraged. Compared to excellent...
