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32. Never a Down Moment
Images
31. Nets and Nots
30. Jump Step
Source: Mathematics Teacher, February 1999
Download: 18″ x 24″ Poster (PDF)
Applet: Play Joey’s Applet Here
29. Two Fold
28. High Minus Low
27. Sphinx
26. Digit Bracelets
25. Trains
Source: Ways to Think About Mathematics: Activities and Investigations for Grades 6-12 Teachers, 2005
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24. Plus Minus
23. No ReXangles
22. Persistence
21. Square Cakes
20. Triangulation
19. Mountain Ranges
18. X-Factor
17. Twelve Toothpicks
16. Self-Aware
15. One Big Factor Family
14. Eightfold
Source: Martin Gardner/My Best Mathematical and Logic Puzzles, 1994
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Download: 8.5″ x 11″ Level 1 Handout (PDF)
Download: 8.5″ x 11″ Level 2 Handout (PDF)
13. Thirteens
Play With Your Math 