1. Mayan Press Ctrl-A ©2009 – Not to be sold/Free to use Stage 4 -Year 7

2. Mayan Numbers Mathematica Player (Base 20) x 1 (20 0 ) x 400 (20 2 ) x 20 (20 1 ) 4 3 8 464 3264

3. 402 Mayan Numbers Mathematica Player (Base 20) x 1 (20 0 ) x 400 (20 2 ) x 20 (20 1 ) 2 0 1 2

4. 16 Mayan Numbers Mathematica Player (Base 20) x 1 (20 0 ) x 400 (20 2 ) x 20 (20 1 ) 16 2 0 56

5. Mayan Numbers (Base 20) Click on the Mayans to see what they say. zero. I think it is zero. The place holder ten I think it is ten. Answer Zero

6. Mayan Numbers (Base 20) Click on the Mayans to see what they say. 23. I think it is 23. 19 I think it is 19. Answer 19

7. Mayan Numbers (Base 20) Click on the Mayans to see what they say. 13. I think it is 13. 260 I think it is 260. Answer 260

8. Mayan Numbers (Base 20) Click on the Mayans to see what they say. 412. I think it is 412. 112 I think it is 112. Answer 412