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Properties of
real numbers
Types of real numbers
Whole number
Positive numbers in whole amounts
Integer
Positive and negative numbers in whole amounts
Rational
Positive and negative fractions, decimals and whole numbers
Opposites (-a) and absolute value |a|
A number’s distance from 0
If a = 7, then what is (-a) and |a|?
-7 and 7
If a = -12, then what is (-a) and |a|?
12 and 12
If a = ⅞, then what is (-a) and |a|?
-⅞ and ⅞
Evaluate
| x | + 2 When x = -3
| -3 | + 2
3+2=5
-x + | x | When x = -3
3 + | -3 |
3+3=6
Order the following from least to greatest,
then tell whether each number is a whole
number, integer or rational number
-3.99, 3, ¹³⁄₃,
-3.1
-3.99, -3.1, 3, ¹³⁄₃,
W
I
R
R
R
R
Order the following from least to greatest,
then tell whether each number is a whole
number, integer or rational number
-3.09, 2.0, ¹²⁄₃,
-3.1
-3.1, -3.09, 2.0, ¹²⁄₃,
R
R
W
I
W
I
R
R
Pgs. 68-69
14 – 58 even
Skip 36 and 38