Solve the Word Problem
Zoe's monthly phone bill is $380 less than her rent. If her rent is $600, what is the cost of her monthly phone bill?
What is $120.
Donna can spend $20 at most at the movies. Would this be an open or closed inequality?
What is closed.
Sam spent $3 more than her sister on ice cream. If Sam spent $13, write an equation to show how much Sam's sister spent.
What is 3 + x = 13.
x = Sam's sister
Which inequality is shaded between the two values?
What is an "and" inequality.
What does it mean when the variables "cancel" out and two different constants remain? For example, 0 = 3
What is no solution.
If there are 12 pickle jars that are filled with pickles and there is a 13th pickle jar that has 7 pickles, how many pickles are there in total, if each pickle jar holds 15 pickles?
What is 187.
Write the inequality AND graph for Josh spent more than $30 buying video games.
What is x > 30. (Check graph on whiteboard)
Jonathan needs to save exactly $350 for a camera. He already has $50 saved and gets an allowance of $20 a week. Jonathan wants to know how many weeks, w, until he will have enough money to buy the camera.
Write the equation.
What is 20w + 50 = 350.
(If the student solves then it would be 15 weeks.)
If the following an "and" or "or" inequality?
8 < x < 17
What is "and."
What is -3 + 2x = 31
What is x = 17
Mia earns the same amount each hour. After working 5 hours, she spent $10 on lunch and had $40 remaining. What is Mia's hourly rate?
What is $10.
What must we remember to do when multiplying or dividing by a negative number?
What is "flip" the inequality sign.
As a salesperson, Ken is paid $40 per week, plus $4 per sale. This week Ken wants to make more than $108.
Write an inequality AND solve to show how many sales Ken needs to make this week to meet his goal.
What is 40 + 4s > 108 where s > 17.
He must make more than 17 sales to mee his goal.
Graph the inequality that matches
-7 < x < 2
What is (show your board!)
What is 3(x + 2) = 3x + 6
What is Infinite Number of Solutions.
Sarah spent 1/3 of her monthly allowance and then spends $12 on a movie. She has $13 left. What is Sarah's monthly allowance?
What is $75.
Solve for x: -3x + 2 < 32
What is x > -10.
Yellow Cab Taxi charges a $1.75 flat rate in addition to $0.65 per mile. Katie has no more than $10 to spend on a ride. Write the inequality that represents Katie's situation.
What is 1.75 + 0.65x (less than or equal to) 10.
Draw the graph for the inequality given by your teacher.
Show your board!
Solve 1/2 (4x - 12) = 2(x - 5)
What is no solution.
Ben is 5 years younger than twice his brother's age. If Ben is 14 years old, how old is his brother?
What is 23 years old.
Solve the inequality and graph:
-2(x - 4) less than or equal to 48
What is x (greater than or equal to) -20
Check graph on white board.
Keith has $500 in a savings account at the beginning of the summer. He wants to have at least $200 in the account by the end of the summer. He withdraws $25 each week for food, clothes, and movie tickets. Write the inequality to show how many weeks Keith can withdraw money.
What is 500 - 25x (greater than or equal to) 200.
Write the inequality that matches the graph given by your teacher.
Show your board!
Solve 1/3 (9x - 15) = 2x + 7
What is x = 12.