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 4, 2024 |
Colour TV (MathPickle, 2023) What a beautiful pattern! I love that it starts out with high symmetry for the 1s, but becomes asymmetric. Can you figure out the laws for the mini mathematical universe? Trevor Hoffman extended the pattern far beyond the video above. Have...
by MathPickle | Apr 3, 2024 |
Line Up (MathPickle, 2022) Lining Up is a puzzle that playfully explores partitions and proximity. If you want to see it played with kids go here. The key to teaching the puzzle well is to look for symmetry and patterns. After you play it in a line – try it...
by MathPickle | Apr 2, 2024 |
Categorizing Bad Rulers (MathPickle, 2021) Our factory is a bit lazy. When making a ruler we only make some of the notches. Such a ruler is either BAD or TERRIBLE. Is the ruler with notches at 0-2-5-7 BAD or TERRIBLE? With BAD rulers, choosing any two marks gives a...
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...