divisbyzero.com 20. 8. 2024Fold-and-Cut Turtle Tile – divisbyzero.com 14. 8. 2024Fold-and-Cut Hat and Spectre Tiles – divisbyzero.com 24. 5. 2024Cardioid Drawbridges – divisbyzero.com 14. 3. 2024Folding a Cardioid – divisbyzero.com 6. 11. 2023Connections with mathematical terms – divisbyzero.com 11. 10. 2023Drawing a Celtic Knot – divisbyzero.com 23. 8. 2023Math class technology policy: Fall 2023 edition – divisbyzero.com 4. 6. 20233D-Printable Aperiodic Monotiles and Aperiodic Monotile Coloring Book Pages – divisbyzero.com 1. 11. 2022Halloween craft: FLEX-A-GHOUL – divisbyzero.com 28. 1. 2022Preorders and Finite Topological Spaces – divisbyzero.com 28. 5. 2021My Two-Day Crash Course in PGFPlots and TikZ – divisbyzero.com 10. 2. 2021Essential Trigonometry for Calculus – divisbyzero.com 3. 2. 2021Puzzle: Let’s (Un)Do the Twist! – divisbyzero.com 23. 1. 2021Mathematicians’ Phone Passcodes – divisbyzero.com 8. 4. 2020Make a Real Projective Plane (Boy’s Surface) out of Paper – divisbyzero.com 29. 3. 2020The Magnificent Möbius Band – divisbyzero.com 6. 1. 2020How to Present a Mathematical Proof or Problem – divisbyzero.com 24. 12. 2019Homemade Klein Bottle – divisbyzero.com 13. 11. 2019Tales of Impossibility: Now Published! – divisbyzero.com 1. 5. 2019BraidTiles—A Mathematical Braid Puzzle – divisbyzero.com 13. 3. 2019A Numerical Crossword Puzzle – divisbyzero.com 13. 3. 2019The Most Imaginary Number… is Real! – divisbyzero.com 5. 1. 2019My First Crossword Puzzle – divisbyzero.com 1. 1. 2019Make Your Own Pythagorean Cup – divisbyzero.com 21. 12. 2018A bad, but interesting, exam question – divisbyzero.com 7. 11. 2018Proof by Induction with a Difficult Base Case – divisbyzero.com 29. 9. 2018Proof Without Words: Gregory’s Theorem – divisbyzero.com 11. 9. 2018Möbius Band Ambigram – divisbyzero.com 22. 8. 2018Rubik’s Cube Tri-Hexaflexagon – divisbyzero.com 3. 4. 2018I Heart Cardioids – divisbyzero.com
20. 8. 2024Fold-and-Cut Turtle Tile – divisbyzero.com 14. 8. 2024Fold-and-Cut Hat and Spectre Tiles – divisbyzero.com 24. 5. 2024Cardioid Drawbridges – divisbyzero.com 14. 3. 2024Folding a Cardioid – divisbyzero.com 6. 11. 2023Connections with mathematical terms – divisbyzero.com 11. 10. 2023Drawing a Celtic Knot – divisbyzero.com 23. 8. 2023Math class technology policy: Fall 2023 edition – divisbyzero.com 4. 6. 20233D-Printable Aperiodic Monotiles and Aperiodic Monotile Coloring Book Pages – divisbyzero.com 1. 11. 2022Halloween craft: FLEX-A-GHOUL – divisbyzero.com 28. 1. 2022Preorders and Finite Topological Spaces – divisbyzero.com 28. 5. 2021My Two-Day Crash Course in PGFPlots and TikZ – divisbyzero.com 10. 2. 2021Essential Trigonometry for Calculus – divisbyzero.com 3. 2. 2021Puzzle: Let’s (Un)Do the Twist! – divisbyzero.com 23. 1. 2021Mathematicians’ Phone Passcodes – divisbyzero.com 8. 4. 2020Make a Real Projective Plane (Boy’s Surface) out of Paper – divisbyzero.com 29. 3. 2020The Magnificent Möbius Band – divisbyzero.com 6. 1. 2020How to Present a Mathematical Proof or Problem – divisbyzero.com 24. 12. 2019Homemade Klein Bottle – divisbyzero.com 13. 11. 2019Tales of Impossibility: Now Published! – divisbyzero.com 1. 5. 2019BraidTiles—A Mathematical Braid Puzzle – divisbyzero.com 13. 3. 2019A Numerical Crossword Puzzle – divisbyzero.com 13. 3. 2019The Most Imaginary Number… is Real! – divisbyzero.com 5. 1. 2019My First Crossword Puzzle – divisbyzero.com 1. 1. 2019Make Your Own Pythagorean Cup – divisbyzero.com 21. 12. 2018A bad, but interesting, exam question – divisbyzero.com 7. 11. 2018Proof by Induction with a Difficult Base Case – divisbyzero.com 29. 9. 2018Proof Without Words: Gregory’s Theorem – divisbyzero.com 11. 9. 2018Möbius Band Ambigram – divisbyzero.com 22. 8. 2018Rubik’s Cube Tri-Hexaflexagon – divisbyzero.com 3. 4. 2018I Heart Cardioids – divisbyzero.com