Inequalities
Writing Inequalities/Equations
Proportions
Percentages
100

Solve the following inequality


3x + 4 > 12

What is x > 3

100
What strategy can we use to write inequalities and equations?

What is the ROT strategy.

100

If I am trying to find a missing piece of information and I do not see percents in my problem, then what strategy would I use?

What is 3 fractions.
100

There are 2 strategies I could use when I see percentages or the word percent in my problem. What are they?

What is the percent formula or the two fractions?

200

Model the following inequality

2x + 1 > -2

What is the following model on the board...

200

Write the equation

Juan's cell phone company charges $35 per month for phone service plus $0.50 for each text message. How many texts does Juan send if his bill was $52?

What is 0.50x + 35 = 52

200

Set up the 3 fractions for the following problem.

An NFL team kicker misses 2 out of every 11 field goals. If he missed 8 field goals throughout the season, how many did he attempt?

What is the following proportions on the board...

200

Ms. Winton went to Chili's and spent $30. If she left a 15% tip, then how much was the total bill including the tip?

What is $34.50

300

Model the following inequality

x - 4 < 3

What is the following model on the board...


300

Write the inequality

Daniel had $25 to spend at the fair. If the admission to the fair is $4 and the rides cost $1.50 each, what is the greatest number of rides Daniel can go on?

What is 1.50x + 4 < 25

300

Set up the 3 fractions for the following problem.

A bag of flour weighs 5 pounds. There are 435.5 grams in 1 pound. How many grams of flour are in the bag?


What is the following proportions on the board...

300

Clay's monthly budget is $2,400. He plans to spend 1,000 on rent each month. About what percent of his monthly budget will he spend on rent?

What is about 41.7 %

400

Model and solve the following inequality

2x + 4 < 16

What is x < 6 and the model on the board...

400

Write the inequality..

Kevin has $500 in his savings account at the beginning of the summer. He wants to have at least $200 at the end of summer. He withdraws $25 each week for spending.



What is -25x + 500 < 200

OR

500 - 25x < 200

400

Set up the 3 fractions and solve for x.

A bus is traveling at 55 miles per 1 hour. How many miles will the bus travel in 4.5 hours?

What is 247.5 miles

400

Ms. Iberosi went to the spa. She spent $120 and tipped 25%. How much did she spend total at the spa, including the tip?

What is $150?

500

Model and solve the following inequality

-2x - 6 > -8

What is x < 1 and the following model on the board...

500

Write the equation in slope-intercept form

A submarine starts at 200 ft below sea level. It starts descending at a rate of 20 ft per minute.

What is y = -20x + 200

OR

y = 200 - 20x

500

Set up the 3 fractions and solve for x.

At Thanksgiving a family plans to make 2 pumpkin pies for ever 9 people attending. If 72 people will attend Thanksgiving dinner, then how many patches does the family need to make?

What is 16 batches?

500

The cost of Mr. Salazar's rent increased by 5% to $720. About how much was the cost before it increased?

What is $685.71?