Across
- 3. a number multiplied by an original number and equals 1
- 5. the difference between the highest and lowest sets of data
- 8. the length around a circle
- 11. a sentence stating two expressions are equal
- 14. ratio between two corresponding sides of similar figures
- 16. distance from zero on a number line
- 18. an equation stating that two ratios are equal
- 19. a comparison of two quantities
- 21. whole numbers and their opposites, and zero
Down
- 1. a mathematical phrase with numbers, variables, and operators
- 2. half of a diameter
- 4. number any number that can be written as a fraction
- 6. the number multiplied by a variable
- 7. passes through the middle of a circle
- 9. the amount of space taken up
- 10. the middle value in an ordered dataset
- 12. number of square units
- 13. the branch that quantifies the likelihood of a random event occurring
- 15. a never changing value
- 17. a letter that represents a number
- 20. the ratio of the circumference of a circle to its diameter