Across
- 3. I am a perfect dozen.
- 6. I have just two factors, myself and one ... what sort of number am I?
- 8. I am the inverse operation of multiplication.
- 9. The square root of me is the answer to six plus three.
- 10. Take four groups of four, then add one more.
Down
- 1. Share eightyone things between three friends, or, solve 6x4 and add three more.
- 2. I am neither a prime number, nor a composite.
- 3. I'm a three sided shape.
- 4. I am the 'B' in BEDMAS.
- 5. I'm a prime number with two digits which are exactly the same.
- 7. I'm two less than twenty.