Across
- 3. Not common or ordinary
- 6. Something dangerous that can cause harm
- 7. The arrangement of numbers or steps in a sequence
- 9. Curved symbols used to group numbers or expressions
- 10. A large amount of rock or soil sliding down a hill or mountain
Down
- 1. Overflow of water that covers land that is usually dry
- 2. Shaking of the ground caused by movement in the Earth's crust
- 4. To reverse or cancel an action
- 5. A mathematical process like addition or multiplication
- 8. Not having the ability to do something