Across
- 1. 2 lots of 3
- 3. this number is in the 1,3 and 9 times tables
- 4. the number that is double 2
- 5. the first two-digit number
- 6. the first square number
- 7. the second triangle number
Down
- 1. a prime number
- 2. the middle-most number (including positive and negative)
- 4. the number of fingers (and thumb) on a hand
- 5. the number of sides a triangle has
- 8. the only even square number