Across
- 2. the first number
- 6. after number one (1)
- 7. between number of six and eight (6 and 8)
- 8. after number three (3)
- 9. before number ten (10)
Down
- 1. between number of five and seven (5 and 7)
- 3. before number nine (9)
- 4. after number two (2)
- 5. addition of six and four (6 + 4)
- 8. subtraction of three from eight (8 - 3)