Across
- 2. A large raised area of flat land
- 4. the operation that reveres the effect of another operation
- 7. the result of adding two or more numbers together
- 11. hot, liquid rock that forms inside the earth
- 14. mammals that can fly
- 16. An equal part of a whole
- 17. Having the same size and shape
- 19. a rock that been changed by heat and pressure
- 20. rocks made of layers of other rocks and living thing over a long time
- 22. A triangular area of land formed by sediment at a river's mouth
Down
- 1. A long piece of land almost fully surrounded by water
- 3. The bottom number of a fraction
- 5. a large winter squash that you can carve and is orange
- 6. Any of the numerals from zero to nine
- 8. a monster that can turn into a bat and sleeps during the day
- 9. The top number of a fraction
- 10. The main divisions of land on Earth
- 12. a monster that is green and flies on a broom
- 13. A rock formed by the cooling of super-hot rocks
- 15. Making a smart guess without actually measuring or counting
- 18. the usual treat in "trick or treat" (don't eat too much!)
- 21. Any numbers that are added together