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Ratios & Proportional Relationships
The Number System
Expressions & Equations
Geometry
Statistics & Probability
100
If 8 out of 20 students in a class are boys, what percent of the class is made up of boys?
8 is 40% of 20. Therefore, 40% of the class is made up of boys.
100
The temperature was at -3˚ on Friday and dropped 9˚ over night, what is the current temperature?
-12˚
100
Anna owes her parents $54.She decides to pay this money back at $6 each week.After some weeks she finds she has paid back $6 too much.How long has she been paying the money back?
She has been paying for 10 weeks
100
Mariko has an 80:1 scale drawing of the floor plan of her house. On the floor plan, the dimensions of her rectangular living room are 1 inches by 2 inches.What is the area of her real living room in square feet?
208
100
Jennifer Lawrence flips on the Weather Channel, and the weather forecaster is standing in front of a picture of a rain cloud saying, "There’s a 40 chance of rain this weekend."(a) What’s the chance that it doesn’t rain?(b) If Jennifer Lawrence were making a bet on the weather, should she bet on rain or no rain?
(a) 60. The sum of all possible outcomes is 1.(b) No rain. 60 > 40
200
18 is 40% of what number?
18 is 40% of 45
200
It takes ten Preps ten days to paint ten houses. How many houses can five Preps paint in five days?
2.5 houses
200
I think of a number, double it, and add 12. My answer is 54."What number am I thinking of?
The number I was thinking of was 21.
200
Emma Watson dares Wiz Khalifa to draw a right equilateral triangle. After many hours of trying, Wiz Khalifa calls you and says, "I can’t seem to figure it out, but I’m sure that if I keep drawing triangles I’ll find one." What is the best geometrical advice that you can give to Wiz Khalifa? Explain.
It's impossible
200
Michael Phelps and Rihanna are both fans of Paul Pierce, and they’re trying to convince Miley Cyrus to join them. "The guy makes 85 of his free throws," says Michael Phelps. "Yeah, he only misses 5!", says Rihanna. Michael Phelps gives Rihanna a weird look. Why?
The sum of all possible outcomes must be 1. 85 + 5 = 90.
300
What is 20% of 45?
9 is 20% of 45
300
0÷4
0
300
Which of the equations below will answer the following question? Check all that apply."I think of a number, add 8 and then multiply by 3. My answer is 66. What was my number?" [picture box] Explain your answers.Find the value of x.
3x + 24 = 66, and 3(x + 8) = 66.x = 14
300
Andrew Luck dares Jennifer Lawrence to draw an obtuse equilateral triangle. After many hours of trying, Jennifer Lawrence calls you and says, "I can’t seem to figure it out, but I’m sure that if I keep drawing triangles I’ll find one." What is the best geometrical advice that you can give to Jennifer Lawrence? Explain.
It’s impossible. XD
300
Three schools are competing in a cross-country race. At the starting line, there are 11 runners from Team Adrian Peterson, 4 runners from Team Rihanna and 5 runners from Team Wale. Assuming all the runners are pretty evenly matched, is the probability closer to zero or one that the winner is from Team Adrian Peterson? Team Rihanna? Team Wale?
Closer to one that the winner is from Team Adrian Peterson. Closer to zero that the winner is from Team Rihanna. Closer to zero that the winner is from Team Wale.
400
25% of 56 is 14
13 is 25% of 52
400
5÷15
1/3
400
Which of the equations below will answer the following question? Check all that apply."I think of a number, add 7 and then multiply by 4. My answer is 80. What was my number?" [picture box] Explain your answers.Find the value of x
Second and fourth. x = 13
400
What cross section results when you cut a cylinder perpendicular to its base?
A rectangle.
400
Emma Watson and Lindsay Lohan see Wale at a restaurant. They are both pretty shy, so they flip a coin to decide who will go say hello. Describe the probability of the following events in words:(a) Emma Watson will be selected(b) Lindsay Lohan will be selected(c) Neither of them will be selected(d) Someone will be selected
(a) Equally likely (b) Equally likely (c) Impossible (d) Certain
500
What percent of 56 is 14?
25% of 56 is 14
500
4÷12
1/3
500
5X+3X-1X
7X
500
What cross section results when you cut a pyramid perpendicular to its base NOT through the vertex of the pyramid?
A trapezoid.
500
The local weather forecaster is so embarrassed at his poor performance that he decides to start providing predictions in words (e.g. likely, unlikely). Provide the full range of numerical probabilities for each of the following words:(a) Impossible(b) Likely(c) Unlikely(d) Certain(e) Equally likely
(a) 0(b) .5 < p < 1(c) 0 < p < .5(d) 1(e) .5