1. 2. a number less than four but greater than two
  2. 3. an alphabet or term that represents an unknown number or unknown value or unknown quantity
  3. 4. a number less than nine but greater than seven
  4. 6. calculating a value using operands and a math operator
  5. 9. sets having a finite/countable number of members
  6. 12. a number greater than six but less than eight
  7. 15. the quantitative relation between two amounts showing the number of times one value contains or is contained within the other
  8. 16. the smallest natural number
  9. 18. the distance from zero that a number is on the number line, without considering direction
  10. 19. the set that does not contain anything
  11. 20. a set whose elements can not be counted
  1. 1. set of numbers or variables combined using the operations + , – , × o r ÷
  2. 5. has a value of 3.14
  3. 7. process of combining two or more numbers
  4. 8. branch of mathematics that deals with the measurement, properties, and relationships of points, lines, angles, surfaces, and solids
  5. 10. branch of mathematics that helps in the representation of problems or situations in the form of mathematical expressions
  6. 11. a whole number (not a fractional number) that can be positive, negative, or zero
  7. 13. process of splitting a specific amount into equal parts
  8. 14. A fixed value
  9. 17. any collection of objects (elements), which may be mathematical (e.g., numbers and functions) or not
  10. 21. arithmetic value used to represent quantity