1. 0-2
Real Numbers

2. Positive numbers
The numbers listed to the right of zero on a number line.

3. Negative Numbers
The numbers listed to the left of the zero on a number line.

4. Natural numbers
Counting numbers

5. Whole numbers
Zero and the counting numbers

6. Integers
Zero and all positive and negative whole numbers

7. Rational numbers
All integers and numbers that can be expressed as a fraction or a terminating or repeating decimal.

8. Irrational numbers
Numbers that can not be expressed as terminating or repeating decimals on in the form of a fraction.

9. Square root
One of two equal factors of a number (the principal square root is the positive square root of a number)

10. Perfect Square
A number with a rational number as its square root.

11. Example 1 pg. P7 Classify Real numbers
Name the set or sets of numbers to which each real number belongs. 1.) ) ) 18

12. Example 1 pg. P7 Classify Real numbers
Name the set or sets of numbers to which each real number belongs. 1.) 9 10 rational number 2.) 121 natural number, whole number, integer, rational number 3.) 18 irrational number

13. Graph
To draw, or plot the points named by those numbers on a number line.

14. Coordinate
The number that corresponds to a point on a number line.

15. Example 2 pg. P8 Graph and Order Real Numbers
Graph each set of numbers on a number line. 1.) { 5 3 , − 4 3 , 2 3 , − 1 3 } 2.) { 25 , 4. 6 , 15 , } 3.) {− 9 4 , − , −2.1, − 8 }

16. Example 2 pg. P8 Graph and Order Real Numbers
Graph each set of numbers on a number line. 1.) 5 3 , − 4 3 , 2 3 , − ) { 25 , 4. 6 , 15 , } ) {− 9 4 , − , −2.1, − 8 }

17. Example 3 pg. P8 Write Repeating Decimals as Fractions
Write as a fraction in simplest form.

18. Example 3 pg. P8 Write Repeating Decimals as Fractions
Write as a fraction in simplest form

19. Example 4 pg. P9 Simplify Roots
Simplify each square root 1.) ) −

20. Example 4 pg. P9 Simplify Roots
Simplify each square root 1.) ) − − 5 12

21. Example 5 pg. P9 Estimate Roots
Estimate each square root to the nearest whole number. 1.) 34 2.) 97

22. Example 5 pg. P9 Estimate Roots
Estimate each square root to the nearest whole number. 1.) 34 ≈6 2.) 97 ≈10

23. 0-2 pg. P