Rates and Ratios
Solve the Proportion
Similar and Congruent Figures
Scale Drawings
Probability
100
A teacher bought museum tickets for 20 students. The total cost of the tickets was $80. What was the cost per student?
What is $4 per student?
100
What is the solution of the proportion 3 x _ = __ 8 40
What is 15?
100
Given triangle ABC is similar and congruent to triangle DEF, what is the measure of angle F? angle A =38, angle B = 82, angle C = 60
What is 60?
100
A map has a scale of 1 in:12 miles. If the distance between two towns on a map is 6 inches, what is the actual distance between the two towns?
What is 72 miles?
100
Suppose you randomly choose a letter in the alphabet from A to M. What are the odds in favor of choosing a vowel?
What is 3:10?
200
An insect is traveling at a rate of 40 cm per minute. About how many inches per minute does it travel (round you answer to the nearest whole number)
What is about 16 inches?
200
What is the solution of the proportion 5 9 _ = __ h 18
What is 10?
200
Two rectangles are similar. What is the ratio of the lengths of the corresponding sides of MNPQ to STWV? rectangle 1: Side QP=18, side NP=6 rectangle 2: side VW=9, side TW=3
What is 2?
200
Write the scale 1ft: 15 yds without units.
What is 1 :45?
200
At baseball practice, you made a hit 5 times out of 20 times at bat. Using experimental probability, predict the number of times you would make a hit out of 60 times at bat.
What is 15?
300
If you can buy 5 pounds of pasta for $8, how many pounds of pasta can you buy for $20?
What is 12.5 pounds?
300
What is the solution of the proportion 98 14 __ = __ x 3
What is 21?
300
A 40-foot tree casts a 12-foot long shadow. At the same time of day, how long of a shadow does a nearby 15 foot tree cast?
What is 4.5 ft?
300
A map has a scale of 2 cm:5.5km. If the distance between two towns on a map is 7 cm, what is the actual distance between the two towns?
What is 19.25 milometers
300
You bought a packet of 80 seeds and 16 of the seeds did not germinate. Predict the number of seeds out of 120 that would germinate using experimental probability.
What is 96?
400
The water level in a tank is falling at a rate of 3.5 meters per minute. What is this rate in feet per hour? Round your answer to the nearest whole number
What is about 689 ft/h?
400
Lions sleep 5 out of every 6 hours. Write and solve a proportion to find how many hours per day lions sleep.
What is 5/6 = s/24, 20 hours?
400
Given triangle JKL is similar to triangle PRS, find the length of side JL. triangle 1: side KL=15, side JL=x triangle 2: side RS=10, side PS=8
What is 12?
400
Write the scale without units. 1 in: 20 ft
What is 1:240?
400
You are buying a new calculator. You can choose model A, model B or model C and you have your choice of the following colors: black, gray, blue or red. Make a tree diagram to show how many different calculators there are to choose from. If you choose a calculator at random, what is the probability that it is red?
What is 1/4?
500
There are 125 people on a ferry boat. Of those, 40 are children. Write the ratio of children to adults as a decimal. Round to the nearest hundredth if necessary.
What is 0.47?
500
A mixture contains 18 ounces of white paint and 25 ounces of blue paint. To achieve the same color, how many ounces of white paint should be mixed with 40 ounces of blue paint?
What is 28.8 ounces?
500
Given trapezoid CDEF is similar and congruent to trapezoid LHJK, what is the measure of angle j? trapezoid CDEF: angle c:121, angle D: 124, angle E: 56, angle F: 59
What is 56?
500
In a scale drawing, a wall is 8 cm long. The actual wall is 20 meters long. Find the scale drawing without units.
What is 1:250?
500
In a game, players spin two spinners. Each spinner has four equal sections labeled 1 through 4. Player 1 gets a point if the sum is 4 or less. Player 2 gets a point if the sum is greater then 4. One of the players has a greater probability of getting a point than the other. What is the greater of the two probabilities?
What is 5/8?
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