Across
- 6. A number with only one and itself as factors.
- 7. 2x + 3
- 9. The distance around a figure.
- 10. The space inside a figure.
- 11. These are ____ of 12: 1, 2, 3, 4, 6, 12
- 14. 2x + 3 = 17
- 16. The answer to a multiplication problem.
- 17. The whole numbers and their opposites.
- 18. A symbol for an unknown number.
- 20. The answer to a division problem.
Down
- 1. A number with more than two factors.
- 2. The number we divide by.
- 3. A number used to multiply a variable.
- 4. The answer to a subtraction problem.
- 5. One of the four regions on the coordinate plane.
- 8. These are ____ of 5: 5, 10, 15, 20, 25...
- 12. A number on its own.
- 13. 3 and -3
- 15. The amount you want to divide up.
- 19. The answer to an addition problem.