Across
- 1. A careful guess
- 4. do math in your head
- 7. Steps to take to solve problems
- 8. A way to solve a problem
- 12. A place people work
- 13. Understanding how numbers work
- 15. A tool students can touch
- 16. Check
- 17. Prove an answer is right
Down
- 2. An electronic tool
- 3. Think about how to find an answer
- 5. Something that helps people do work
- 6. A community
- 9. To use
- 10. A skill
- 11. Find the answer
- 14. Things people do each day