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Unit Rate
Proportional Relationships
Operations with Percents
Linear Inequalities
Linear Expressions
100
In 3 hours, Ms. Brown rode 18 miles on her bike. Calculate the unit rate.
What is 6 miles per hour.
100
Ms. Berkley is making cookies. The number of chocolate chips she used is proportional to the amount of cookies she makes. She uses 84 chocolate chips for every 7 cookies she makes. Which equation represents the relationship between c, the number of chocolate chips, and k, the number of cookies she makes? A) k = 12c B) k = 1/12 c C) k = 77c D) k = 91c
What is A) k = 12c
100
After a 20% discount, Ms. Hurtt paid $24 a scarf. What was the price of the scarf before the discount?
What is $30.
100
Solve and graph the solution to the following: -4x < 2
What is x > -1/2
100
Simplify the following: 2/3 (27x - 9)
What is 18x - 6.
200
Ms. Israel drove 8/5 miles in 24 minutes. Find the unit rate.
What is 1/15 mile per minute.
200
Hobbys sells chocolate chip cookies. They charted the number of cookies they sell and the price of the cookies. The following are coordinate points of the graph: (1, 4), (2, 8), (3, 12), (4, 16). Which equation represents the relationship between the number of cookies sold and the price of the cookies? A) y = x / 4 B) y = x - 4 C) y = x + 4 D) y = 4x
What is D) y = 4x
200
Evelyn bought a bracelet that originally cost x dollars. The bracelet was 60% off. Which is the correct expression that Evelyn could use to calculate the sales price of her jacket. A) 0.60x B) 0.40x C) 1.60x D) 60x
What is B) 0.40x
200
Find the solution to the following and draw it on a number line: -2x + 4 > 6
What is x < -1
200
Simplify 1/8 (16x + 24) – 2x
What is x + 3.
300
It takes Genesis 15 minutes to walk 7 ½ blocks to school. At this rate, how many blocks can she walk in one minute?
What is 1/2 block per minute.
300
Last week Ms. Heath spent $18 to bowl 4 games. This week she spent $27 to bowl 6 games. If each of these bowling games costs the same amount of money, what is the constant of proportionality between the money spent and the number of games played? A)1.5 B)2.0 C)4.5 D)9.0
What is C) 4.5 ($4.50 per game)
300
Ms. Traish went to dinner at Dinosaur BBQ. She wanted to give a 15% tip. Which of the following is the correct expression that she can use to calculate the final price of her bill? A) 0.15x B) 0.85x C) 1.15x D) 15x
What is C) 1.15x.
300
The dance committee has a budget of $125 to decorate the gym for the winter dance. They already spent $65. Some members want to buy helium balloons that cost $0.80 each. Write and solve an inequality to show the number of balloons that the dance committee could buy.
Equation: 65 + 0.80x is less than or equal to 125 / Solution: x is less than or equal to 75 balloons
300
Great Oaks paid an electrician $50 dollars for x amount of hours plus $70 for parts. A) Write an expression to represent the total amount that Great Oaks paid the electrician. B) The total charge was $320. How many hours did the electrician work for?
A) y = 50x + 70 B) 5 hours
400
Tahmani was at track practice. The track is 2/5 kilometers around. Tahmani ran 3 laps in 5 minutes. How long will it take Tahmani to run 1 km?
What is 25/6 minutes or 4 and 1/6 minutes (4 minutes 10 seconds)
400
Ms. Wright is making cakes. The number of cups of flour she uses is proportional to the number of cakes she makes. Nazir uses 3 3/4 cups of flour to make 4 cakes. Which equation represents the relationship between f, the number of cups of flour Ms. Wright uses, and c, the number of cakes she makes? A) f=1 1/15 c B) f=15c C) f=15/16 c D) f=7 3/4 c
What is C) f=15/16 c
400
All books in a store are being discounted by 30%. Xavian bought a book at the store. The sales price of the book was $8.96. What is the original price?
What is $12.80.
400
The sum of -4 and 2 times a number x is at least 12. Write and solve an inequality equation to find x.
Equation: -4 + 2x is greater than or equal to 12 / Solution: x is greater than or equal to 8
400
When 5/8 x +1 1/3 is subtracted from 1 1/4 x - 5 1/6 , the result is...
What is 5/8 x - 6 1/2.
500
Mr. Gibbs uses 3/5 cup of milk with 1/2 cup of flour to make a base for gravy. How many cups of flour does he need to mix with 3 cups of milk to create the same gravy base?
What is 5/2 cups of flour or 2 1/2 cups of flour.
500
The unit cost per pound for green beans is represented by the equation y = 1.2x. Which of these points is NOT on the graph of this proportional relationship? A) (0, 0) B) (2, 2.4) C) (4, 4.8) D) (12, 10)
What is D) (12, 10)
500
David bought a computer that was 20% off the regular price of $1,080. If an 8% sales tax was added to the cost of the computer, what was the total price David paid for it?
What is $933.12.
500
Kevin stated the summer with $300 in his savings account. He withdraws $15 each week for food and movie tickets. Kevin wants to end the summer with more than $150. Write and solve an inequality to show how many weeks Kevin can withdraw money.
Equation: 300 - 15x > 150 / Solution: x < $10
500
In the following equation, a and b are both integers: a(6x − 4) = b − 18x A) What is the value of a? B) What is the value of b?
A) a = -3 B) b = 12