Geometry
What is volume?
Volume is the measure of the amount of space inside of a solid figure
What is a ratio?
A ratio is a relationship between two numbers indicating how many times the first number contains the second.
3x+2x=20
x=4
What is the mean, median, mode, and range?
Mean is the average for a set of numbers
Median is the middle number in a set of ordered data
Mode is the repeating of the same number in a set of data
Range is the difference between the highest and the lowest numbers in a set of data
What is probability?
Probability is the number of possible outcomes in an event
Find the volume of a 3in cube
27in3
A recipe calls for 4 cups of flour to every 3 eggs added into the batter. What is the ratio of flour to eggs?
4:3
Find x:
4x-(-3) = -21
x= -6
Find the mean of the following set of numbers:
78, 89, 74, 69, 83, 77, 74, 84
78.5
Charlie is going to roll a die and flip a coin. What is the probability that he will roll a 6 and the coin will land with heads facing up?
1/12
Find the circumference of a circle with a diameter of 9cm
28.26cm
You can buy 8 potatoes at the Quick Market for $1.45. You can buy 6 potatoes at Stop and Save for $1.22. Which place has a lower price per potato?
Quick Market
Find x:
4x(3+7) = 280
x= 7
An ice cream machine sells ice cream for 2 weeks. These are the sales at the end of the 2 weeks.
Week 1: 87, 75, 95, 102, 109, 61, 85 Week 2: 77, 103, 102, 79, 82, 63, 70
Find the Mean, Median, Mode, and Range of Week 1 and Week 2.
Mean: 85 Median: 83.5 Mode: 102 Range: 48
Find the probability:
What is the probability of drawing a face card that is a heart in a standard deck of cards? Remember to simplify!!!!
1/13
Find the volume of a cylinder that has a radius of 4ft and height of 6ft
301.44ft3
The blueprint drawing for Thames Middle School shows that the new gym has a length to width ratio of 9:8. If the gym is 72 feet wide, how long is it?
81 ft long
Find x:
90x+48 = 83*6
x= 5
Find the mean, median, mode, and range in this set of data. Round to the nearest tenth if necessary.
52, 10, 45, 23, 68, 84, 23, 52, 36, 23, 52, 71, 92, 42
Mean: 48.1 Median: 48.5 Mode: 23, 52 Range: 82
A box contains 6 red pens and 4 blue pens. Cory randomly picks a pen and keeps it. Then Tommy randomly picks a pen from the box. What is the probability that both boys will both pick red pens? Simplify!!!!!
1/3
Find the volume of a cone that has a diameter of 8ft and height of 9ft
150.72ft3
Do these ratios form a proportion?
20 pink bookmarks: 6 white bookmarks
47 pink bookmarks: 9 white bookmarks
No
Find x:
9x+41.9 = 2(46+42)
x= 14.9
Two clothing stores are selling clothing for a week. These were the sales from both stores.
Store 1: 98, 95, 99, 89, 97, 93, 94 Store 2: 101, 91, 92, 104, 108, 94, 47
Which store had better sales than the other? Explain why.
Store 1 had better sales than store 2 because when calculating the average of sales, store 1 had an average of 95 sales while store 2 only has an average of 91 sales. So, store 1 has a higher average of sales.
Mario randomly picks a marble out of a bag of 3 green marbles, 2 yellow marbles, and 5 blue marbles without replacing it. Todd randomly picked another marble out of the bag. What is the probability of choosing a yellow marble then a blue marble? Simplify!!!!!!
1/9