Vocabulary
The set of whole numbers and their opposites
Integers
l 6 l
6
Complete the statement using <, >, or =
-34 ____ -25
<, is less than
-6 + -13
-19
-8.21 + (-1.09)
-9.3
The distance between a number and zero on the number line
absolute value
l -8 l
8
Complete the statement using <, >, or =
l 7l ____ -7
>, is greater than
17 + (-16)
1
1/6 + (-4/9)
-5/18
Any number that can be written as a fraction a/b where a and b are integers and b ≠ 0
rational number
- l 14 l
-14
Complete the statement using <, >, or =
- l 19l ____ l -25l
<, is less than
-12 + 5
-7
5 1/3 + (-5/9)
4 7/9
Another name for opposite
Additive Inverse
- l -85 l
-85
Order from least to greatest:
100 , - l 2l, -16, l 31l, 0, l- 11l
-16, - l 2l, 0, l- 11l, l 31l, 100
Evaluate the expression when a=9, b=-2, and c=-14
a + b + (-9)
a + b + (-9)
9 + (-2) + (-9)
-2 + 9 + (-9)
-2 + 0
-2
5.327 + (-2.25) + 3/4
3.827
Explain what the Additive Inverse Property states.
Give all possible values for x, if l x l = 25?
25 and -25
Order from least to greatest:
l- 78l , - l 99l, -7, 25, - l -23l
- l 99l, - l -23l, -7, 25, l- 78l
Evaluate the expression when a=9, b=-2, and c=-14
-b + c
-(-2) + (-14)
2 + (-14) = -12
Evaluate the expression when a=9, b=-2, and c=-14
l -a + 11 + c l
l -a + 11 + c l
l -9 + 11 + (-14) l
l 2 + (-14) l
l -12 l
12