Ross's Puzzle

3. A symbol for a value we don't know yet.
4. a number with no decimal or fractional part
9. used to compare two or more numbers.
10. the value of a part-to-whole ratio where the whole is equal to 100.
11. the space occupied within the boundaries of an object in three-dimensional space.
13. The result of adding two or more numbers.
16. the maximum amount that something can contain.
18. a collection of facts, such as numbers, words, measurements, observations.
19. the starting point from where we begin our calculations.
20. a number that divides another number, leaving no remainder.

1. The middle of a sorted list of numbers.
2. a region/part of a cartesian plane that is obtained when the two axes intersect each other.
5. a way of approximately calculating an answer
6. to view something in relation to another.
7. the numerical values that are a part of the whole.
8. the properties that help to express the basic characteristics or features of real numbers.
12. Property when more than two numbers are added or multiplied
14. the rightmost position in a number or the one's place.
15. a circle dividing a sphere or other surface into two equal symmetrical parts.
17. an entity whose value does not change throughout the calculation.