Lesson 1: Practice 3 Solutions
- Match each set of values to the correct number line.

List all of the categories each of the values below can be classified as.
2)
real number, rational number, whole number, integer
3)
real number, rational number
4) 0
real number, rational number, whole number, integer
5)
real number, rational number
6)
irrational number, real number
Review the Number Classification Diagram below. Which value(s) is incorrectly classified?

- List the value(s) that are not classified correctly and the reason their classification is incorrect.
0 is not a natural number because it is not positive and is not used for counting.
−14 is not a whole number because whole numbers do not include negative numbers.
9.1 is not an integer because integers do not include decimals.
is a repeating decimal so it is not irrational.