Across
- 4. helped build ___
- 7. based on the number 10 (___ system)
- 9. represents 10 (clay ___)
- 10. had plenty of ___
Down
- 1. Egyptians represented numbers with ___
- 2. represents 1 (clay ___)
- 3. numbers written on ___
- 5. calendar to show when there’s a full ___
- 6. helped to keep accurate ___ and trade records
- 8. person in late ___ period
