by MathPickle | Apr 5, 2024 |
Broken Magic (MathPickle, 2023) This is curricular primarily for students learning addition, however there are some nice proofs that are good for older students to contemplate. Proofs have been removed from many curricula. That’s sad. In real life we are seldom...
by MathPickle | Apr 2, 2024 |
Animal Digits / Digit Sums (Julia Robinson Mathematics Festival, 2020) The number in each circle is the sum of the digits in all connected circles. Play around with your class – making simple patterns of connected circles and then trying to put numbers in them...
by MathPickle | Apr 1, 2024 |
Line Dance Dice (MathPickle 2021) The Polypad website has changed so you’ll need to make your own line of dice. Try using 7 dice with 7 rerolls. Players reroll or pass simultaneously. A player who has passed can choose not to pass on a later turn. Each person...
by MathPickle | Mar 24, 2023 |
Glue (MathPickle 2021) This geometric square-gluing puzzle is one of my best from 2021. The rules are simple (but probably best seen on the video rather than read): 1) Start with two 1×1 squares labelled “1.” 2) Glue a new square labelled with one...
by MathPickle | Oct 5, 2021 |
Coins in a Row (Peter Winkler 2003) This is not an original MathPickle puzzle. It’s from Mathematical Puzzles: A Connoisseur’s Collection (163 pages, 2003) by Peter Winkler. Spoiler Alert! The solution is in the video below. Teaching is an...
