Page 55 - Math Course 2 (Book 1)

Real Number System

Compare Real Numbers on a
Number Line Your Turn!

Classify Real Numbers
Examples Name all the sets of numbers to which the real

number 0.380 belongs.
7
Replace the • with <, >, or = to make • 11 A. rational number
125
a true statement. 8 B. irrational number
C. integer, rational number
Express each number as a decimal. D. natural number
Then graph the number.
Answer
125 = 11.18033989...
7
11 = 11.875
8
7 Name all the sets of numbers to which the real
125 11 8
number – belongs.
81
11.0 11.2 11.4 11.6 11.8 12.0 A. rational number
B. irrational number
7
Since is to the left of 11 C. integer, rational number
125
Answer 7 8 D. natural number
125 < 11
8

Answer
1
from least to
Order 6 4 38 6.5 , and 36
greatest.
Express each number as a decimal. Then graph Name all the sets of numbers to which the real
45
the number. number belongs.
9
1
6 = 6.25 A. rational number
4
B. irrational number
C. integer, rational number
38 = 6.164414003...
D. natural number, whole number, integer, rational
6.5 = 6.5555555... number

36 = 6
Answer
1
36 38 6 6.5
4
Name all the sets of numbers to which the real
6 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9 7 19
number belongs.
4
A. rational number
From least to greatest, the order is B. irrational number
Answer 1 C. integer, rational number
36 38 6 6.5
4 D. natural number

Answer

47