Source: Ways to Think About Mathematics: Activities and Investigations for Grades 6-12 Teachers, 2005
Download: 18″ x 24″ Poster (PDF)
25. Trains
Images
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
Download: 18″ x 24″ Poster (PDF)
Download: 8.5″ x 11″ Level 1 Handout (PDF)
Download: 8.5″ x 11″ Level 2 Handout (PDF)
13. Thirteens
12. Space Race
Source: Benjamin Dickman/Math Horizons, April 2011
Download: 18″ x 24″ Poster (PDF)
Download: 8.5″ x 11″ Handout (PDF)
11. Star Polygons
10. Multiple Choice
8. Flakhs
7. Step Up
6. Rollover
5. Maximaze
Source: MathArguments180
Download: 18″ x 24″ Poster (PDF)
Download: 11″ x 17″ Leaderboard (PDF)
Download: 8.5″ x 11″ Handout (PDF)
