by MathPickle | Aug 30, 2020
Rooting for NASA (MathPickle, 2020) ReStudents can use Pythagoras to find all possible lengths of line segments on a grid. But what can you do with these line segments… Here are some ideas. They’re really just universes to explore. They look beautiful and...
by MathPickle | Sep 19, 2015 |
Chomp! (Frederik Schuh, 1952) Here is the game of chomp and a very preliminary sketch of a game to do with linear inequalities. The latter would be a fun class project to perfect – it is NOT good enough to play right now. Let me know of your ideas how to...
by MathPickle | Sep 19, 2015 |
Hunting Submarines (John Costas, 1965) Costas arrays were part of submarine warfare and a great way to get practice with slopes. It is an unsolved problem of mathematics whether a Costas array exists for all nxn squares. The smallest square for which no answer is...
by MathPickle | Sep 19, 2015 |
10 Points, 5 Lines, 4 Points on each Line (Henry Dudeney, 1917) Play with lines in a Cartesian coordinate system in this 1917 puzzle by the great puzzle-master Henry Dudeney. We must say that there are as many squares as there are numbers. Galileo Galilei Join the...
by MathPickle | Sep 19, 2015 |
Parallel Lines and Slopes (MathPickle, 2010) Introduce parallel lines through this beautiful puzzle. Is it even possible? If a solution does exist it is certainly difficult to find, but no promises that a solution actually exists. The other puzzles are good to get...
