Graphing and Writing Inequalities
One-Step Equations
One-Step Inequalities
Word Problems
Integer Review
100
What are the two inequality signs?
< Less Than
> Greater Than
100
x/10 = 3
30
100
Solving Inequalities
Solve for x.
2x > 8
What is:
x > 4
100
Define a variable:
A bakery sells boxes of cupcakes. A local business bought 12 boxes for an office party and the total came to $144. If every box cost the same amount, what was the price of a single box?
x = the cost of one box
100
-2 + (-12)
-14
200
On your desk, plot the solutions on a number line for the inequality x > -9
see number line
200
8x = 64
8
200
Solve the Inequality
x + 4 < 88
What is:
x < 84
200
Write an equation to represent the situation.
A bakery sells boxes of cupcakes. A local business bought 12 boxes for an office party and the total came to $144. If every box cost the same amount, what was the price of a single box?
12x = 144
200
-3 + 8
5
300
Which direction do we shade for x < -3 ?
Left
300
x + 5 = 9
14
300
Solve the Inequality
z/3>7
z > 21
300
Define a variable.
Elena has a gift card with $25 on it. She wants to buy a book that costs more than $40. How much more money does she need to add to her gift card to afford the book?
x = money needed to add to gift card
300
-14 + 9
-5
400
Is the following inequality graphed correctly?
x < 6
No, the graph shows x > -6
400
x - 8 = 10
18
400
Solve the Inequality
4x < 16
x < 4
400
Write an inequality to represent the situation.
Elena has a gift card with $25 on it. She wants to buy a book that costs more than $40. How much more money does she need to add to her gift card to afford the book?
x + 25 > 40
400
-6 - (-8)
2
500
Name at least three solutions for the inequality of
2 > x.
answers will vary
500
20 = x+4
16
500
Solve the Equation:
f - 9 < 47
What is:
f < 56
500
A small elevator holds less than 1,200 pounds. Currently, it is carrying 950 pounds of cargo. How many additional pounds can be added?
Write an inequality or an equation to represent the situation and then get an answer. Make sure your answer has either an equal sign or an inequality sign - whichever is more appropriate.
x + 950 < 1200
x < 250
500
5 - 18
-13