Numbers & Operations
Variables & Equations
Geometry
Statistics & Probability
Fractions, Decimals, and Percents
100
3 + (-8)
-5
100
Evaluate the expression if x = 9 9x + 5
86
100
The diameter of a cirlce is 10 inches. What is it's radius?
5 inches.
100
Wendy documented the rainfall in New York from October - April. Her results (in inches) were as follows: 7, 12, 14, 7, 8, 9, 13 What is the average rainfall for those seven months?
10 inches.
100
Amy's dinner cost $20. She wants to leave a 10% tip. How much should she leave?
$2
200
Give the prime factorization of 32 in exponential form
2^5
200
Solve for y. 3y = 54
y = 18
200
A square room has an area of 144 square feet. What are the dimensions of the room?
12 x 12 feet
200
Ritu's first term science average was an 85. She predicted her second term science average would be at least a 90. Her second term test scores were: 85, 83, 89, 92, 90, 92. Was Ritu's prection correct? Prove your answer with math.
No her prediction was too high. Ritu's second term average was 88.5
200
Tabitha got a test score of 72/80. What percent did she get? Round your answer to the nearest whole number.
72/80 = .9 = 90%
300
Solve the following problem: 8(4-3) + 2 x 9
26
300
Sam can run 8 miles per hour. How long will it take him to run a marathon (26 miles)? Remember: Rate x Time = Distance
3.25 hours, or 3 hours and 15 minutes
300
A rectangular prism has a width of 20 inches, length of 4 inches, and height of 5 inches. What is it's volume?
400 cubic inches.
300
Melanie has a bag containing 20 marbles. The bag has 10 white marbles, 4 green marbles, and 6 red marbles. As part of an experiment, Melanie randomly picks a marble from the bag, looks at the color, and then replaces it. She repeats this 200 times. Predict the number of times out of 200 that Melanie will pick a red marble. Prove your answer with math.
60 times. MATH WORK 6/20 = 3/10 = 30% .30 x 200 = 60
300
Sara spends 25% of her weekly allowance on food. If she gets $30 per week, how much does she spend on food?
She spends $7.50 per week on food. .25 x 30 = 7.5
400
What is the greatest common factor or 24 and 32?
8
400
Sara and Alexa collect baseball cards. Alexa has 5 less than 7 times as many as Sara. If Alexa has 100 baseball cards. How many does Sara have? Write an equationm then use it to find your answer.
Equation: 100 = 7x - 5 Sara has 15 baseball cards.
400
If a cylinder has a DIAMETER of 8 feet and a height of 12 feet. What is it's volume? Use 3.14 for pi.
Approximately 602.88 cubic feet
400
Michelle is buying a new suitcase. She has to choose the color, size, and material. Her choices are: COLOR: red black yellow SIZE: small medium large MATERIAL: canvas leather plastic How many different combinations can she make? Prove your answer.
27 different combinations. Counting principle: 3 x 3 x 3 = 27
400
There are 18 girls and 15 boys in Tracy's homeroom. What percent of Tyler's homeroom are boys? Round to the nearest tenth.
45% 15/33 = .4545454545
500
Write .0000456 in scientific notation.
4.56 x 10^5
500
1 kilometer = 1,000 meter How many meters are in 7.5 kilometers? Write a proportion and use it to find your answer.
KILOMETER 1 7.5 METER 1,000 = x ANSWER: 7,500 meters
500
Which rectangular prism will take more material to cover completely? BOX #1: l = 5 cm, w = 8cm, h = 10cm BOX #2: l = 2cm, w = 10cm, h = 12cm Show math work to prove your answer.
Box #1 will take more material to cover. SA of Box #1: 340 squared cm. SA of Box #2: 328 squared cm.
500
Salma has a dice (numbered 1-6). She rolls the dice two times. What is the probability that she will roll a 3 first and then an even number on the second try? Prove your answer with math.
1/6 x 3/6 = 1/6 x 1/2 = 1/12
500
TYWLS sold 350 tickets for the spring concert. 30% of the ticket buyers were middle school students. How many middle schoolers will attend the concert?
105 middle schoolers 350 x .3 = 105
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