Across
- 3. Single number
- 5. Divisible only by itself and one
- 7. Fifty percent
- 8. A pair
- 10. A square’s sides
- 11. Not divisible by two
- 13. Divisible by two
- 14. Four equal sides or a number multiplied by itself”
- 15. Century in numbers
Down
- 1. Fingers on a hand
- 2. Nothing at all
- 4. Two times five
- 6. One with six zeros
- 8. A trio
- 9. The sum
- 11. First in line
- 12. Twelve items