by MathPickle | Jan 6, 2016 |
Finding a Tough Mountain (Erdős–Szekeres, 1935) Get your students to organize numbers so that no four are ascending or descending. This can be done with movable numbers or by getting the students to write in their notebooks (no erasers permitted ;-)) Here is a pdf of...
by MathPickle | Jan 5, 2016 |
A little bit of Aggression is one of the few essential games for the elementary school classroom. It could be the only thing done in grade 2 or 3 math for a whole year and my prediction would be that the students would end up in a superior place to most existing...
by MathPickle | Dec 26, 2015 |
Portuguese Man O’ War puzzles are mini-mathematical universes. They are used to teach the scientific method to students learning addition. The next slides are an example of how a Portuguese man o’ war should be dissected in class. Click here to learn...
by MathPickle | Nov 15, 2015 |
Molly Crocker contacted me to ask for my opinion on her finger counting ideas 1 to 99. I decided to take the opportunity and review different techniques to teach counting. The questions you should ask in selecting a technique for your classroom: Does the technique...
by MathPickle | Oct 13, 2015 |
This puzzle has your students excavate the roots of a giant Banyan tree. It’s a good puzzle to give students curricular practice adding numbers up to 50 whilst simultaneously providing your top problem solvers a challenge. These are the type of puzzles we like...
