One Step Equations
Symbols
One Step Inequalities
Vocabulary
Writing Inequalities
100
x+ 15 = 24
x = 9
100
What does > sign stand for?
Greater Than
100
5x > 15
x > 3
100
A symbol, usually a letter that can stand for any quantity (number)
Variable
100
x is greater than 7
x > 7
200
x-4 = 7
x = 11
200
What does < sign stand for?
Less Than
200
12 > 4 + x
8 > x
200
Operations that undo each other or are the opposite of each other
Inverse Operations
200
x is less than or equal to 8
300
63 = 7x
9 = x
300
What type of problem has to have an equal sign?
Equations
300
7x < 56
x < 8
300
A statement that two mathematical expressions are equal
Equations
300
10 is greater than x
10 > x
400
x/18=9
x = 162
400
Which inequality symbol would be used in this problem:
0.008 ______ 4
less than
400
x/11 < 8
x > 88
400
Name all the Parts of an expression
Hint: There are 4 parts
1) Coefficient
2)Constant
3) Variable
4) Terms
400
-11 is greater than or equal to x
500
x/2.2 = 8
x = 17.6
500
If an inequality symbol has a less than < or greater than symbol > AND has a line underneath... what does that line underneath mean?
Or Equal To
500
x-151.26 < 819.2
970.46
500
Identify all the Parts of an expression
Hint: There are 4 parts
6x - 10
6 (coefficient)
x (variable)
10 (constant)
Terms: 6x, 10
500
x is less than 9100
x < 9100