Across
- 2. natural numbers, their opposites and zero. Can be positive or negative and do not contain fractions or decimals.
- 4. a graph that represents the real numbers as ordered points on a line, may be horizontal or vertical.
- 5. is the set of numbers containing all of the rational numbers and all of the irrational numbers.
Down
- 1. know more than isolated facts and methods. They understand why a mathematical idea is important and how it works.
- 3. a number that can be written as a fraction of two integers a/b, where b cannot equal zero. Can integers, fractions, and repeating and terminating decimals.