Jeopardy Number Sense Data Analysis and Probability Patterns, Functions and Algebra Geometry and Spatial Sense Short Answer/ Miscellaneous Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy

$100 Question from H1 On the number line, points R represents the square root of a number. Which value could be the square of the number represented by point R?

$100 Answer from H1 What is 149.

$200 Question from H1 Which sequence of numerals is equivalent to: : A) B) C) D)

$200 Answer from H1 What is C)

$300 Question from H1 Earth has a surface area of 1.97 x 10 8 square miles. A new planet has a surface area 13 times the surface area of Earth. What is the surface area of the new planet?

$300 Answer from H1 What is 2.56 x 10^8 square miles.

$400 Question from H1 Tina plays on the Lakewood High softball team. During her first season, she went to bat 27 times and got 6 hits. If she continues to hit at about the same rate, how many total hits will she have if she bats 40 times?

$400 Answer from H1 What is 9 hits.

$500 Question from H1 Six hundred sixty students cast their votes for Junior Class President at Hillmark High School. The results are shown in the graph below. If one-third of those who voted for Zach were girls, how many girls voted for Zach?

$500 Answer from H1 What is 55 girls.

$100 Question from Data/ Prob. 1. Find the mode of the following series of numbers: 4, 6, 8, 8, 8, 9, 9, 12

$100 Answer from H2 What is 8.

$200 Question from H2 What is the probability that the spinner will land on the number 1?

$200 Answer from H2 What is 3/5 or 60%.

$300 Question from H2 A restaurant manager is planning a survey to determine which three desserts are most preferred by his customers. Which sample would best represent the customers at the restaurant? A)Survey all children who enter the restaurant. B)Survey all customers over 50 years old for one week. C)Survey all of the men that come into the restaurant for one week. D)Survey every fifth customer that enters the restaurant for one week.

$300 Answer from H2 What is D)Survey every fifth customer that enters the restaurant for one week.

$400 Question from H2 One style of jacket comes in three sizes: small, medium, or large. These jackets have either buttons or a zipper. The jackets are available in 5 different colors. How many different combinations of this jacket are available?

$400 Answer from H2 What are 30 combinations.

$500 Question from H2 What is the mean weekly salary at this video store? Weekly salaries of the employees at a local video are shown in the table below.

$500 Answer from H2 What is $

$100 Question from H3 The first four rows of a number array are shown below. What number will be at the far right end of row 7?

$100 Answer from H3 What is 280.

$200 Question from H3 The owner of a sporting goods store is following a pattern to arrange baseballs into 7 rows for a wall display. The table shows the number of baseballs in the first four rows of this pattern. How many baseballs are in the seventh row of this pattern?

$200 Answer from H3 What is 4 baseballs.

$300 Question from H3 Michael paid $6.00 for a ticket to a football game. Soft drinks at the game cost $0.75. Michael bought x drinks at the game. Which equation represents the total amount (y) he spent? A) y = ( )x B) y = 6x C) y = 6 – 0.75x D) y = x

$300 Answer from H3 What is D)y = x

$400 Question from H3 Roni and Kelsey bought the same types of flowers from a florist. Roni bought 5 roses and 2 carnations and was charged $17.85 before tax. Kelsey purchased 1 rose and 6 carnations and was charged $12.25 before tax. How much did the florist charge for 1 carnation before tax?

$400 Answer from H3 What is $1.55

$500 Question from H3 The table shows values for a function. Which equation represents this function? a)y = x 2 b)y = x c)y = (x – 1) 2 d)y = (x + 1) 2

$500 Answer from H3 What is d) y = (x + 1) 2

$100 Question from H4 The net creates a pyramid. Which pyramid does this net create? A) B) C) D)

$100 Answer from H4 B)

$200 Question from H4 Points E, F, G, and H are midpoints of the sides of quadrilateral ABCD. If AC = 12 and BD = 8, what is the perimeter of quadrilateral EFGH?

$200 Answer from H4 What is 20.

$300 Question from H4 The figure shows a three-dimensional object when viewed from above. Which object could the sketch represent? A)Rectangular Prism B)Square Pyramid C)Triangular Prism D)Pentagonal Pyramid

$300 Answer from H4 What is B) Square Pyramid

$400 Question from H4 The quadrilateral below is to be translated 6 units to the right and 3 units down. Which ordered pair is not the coordinates for a vertex of the translated image? A)(3, -4) B)(3, -1) C)(3, 2) D) (1, -1)

$400 Answer from H4 What is B) (3, -1)

$500 Question from H4 Jake is using a computer program to design parts for a new car. He has outlined one-half of a part on a coordinate grid. Rather than drawing the second half, he plans to have the computer reflect this shape over the y-axis. Which of the following represents the 5 vertices of the reflected shape? A)(0, 0); (0, 2); (–1, 3); (–2, 3); (–2, 0) B)(0, 0); (0, 3); (–1, 3); (–2, 2); (–2, 0) C)(0, 0); (0, –3); (1, –3); (2, –2); (2, 0) D)(0, 0); (0, –3); (–1, –3); (–2, –2); (–2, 0)

$500 Answer from H4 B) (0, 0); (0, 3); (–1, 3); (–2, 2); (–2, 0)

$100 Question from H5 The transportation department has selected three possible routes for a new section of highway and wants to know which route landowners and residents of the affected areas prefer. The transportation department plans to survey the public by posting the three possible routes on the department’s Web site with a request that all visitors to the Web site vote for their preferred route. In your Answer Document, explain why the design of the survey does not provide a representative sample of the landowners and residents of the affected area. Give an example of how the design of the survey could be changed to better represent the affected population.

$100 Answer from H5 The following are some explanations for why the design of the survey does not provide a representative sample of the landowners and residents of the affected area. -The responses received will only be from landowners and residents who visit the Web site. -This is a voluntary sample; the people who respond will probably only be landowners and residents who feel strongly about the affected area. -Because the survey is on a Web site, some responses received may be from people who are not landowners or residents of the affected area. The following are some examples of how the design of the survey could be changed to represent the affected population in a better way. -Provide more options for submitting opinions: mail surveys or telephone residents. -Go into neighborhoods and survey residents in person so that everyone has an equal opportunity to be surveyed. -Advertise the survey widely: newspapers, radio, flyers, signs, etc. -Require visitors to provide their home addresses, and do not include the responses of people outside the area.

$200 Question from H5 How many months have 30 days?

$200 Answer from H5 11 months (all of them except February)

$300 Question from H5 Helga earns $6.30 per hour working part-time at the grocery store. She records her starting and ending times each day on her time card. In your Answer Document, determine Helga’s total wages for the week. Show your work or provide an explanation for your answer. (2 points)

$300 Answer from H5 Students can find Helga’s total wages for the week in different ways. Here is one example: MondayThursday 3.50 hrs4.75 hrs TuesdayFriday 2.75 hrs4.50 hrs Total hrs × $6.30=$97.65

$400 Question from H5 If a farmer has 5 haystacks in one field and 4 haystacks in the other field, how many haystacks would he have if he combined them all in the center field?

$400 Answer from H5 One. If he combines all of his haystacks, they all become one big stack.

$500 Question from H5 If it takes 3 people to dig a hole, how many does it take to dig half a hole?

$500 Answer from H5 None. It's impossible to dig a half of a hole. Either you have a hole, or you don't.

Final Jeopardy The local newspaper publishes a list of the five most popular radio stations. Lisa’s favorite station is not on the list. At school, she asks two of her friends what their favorite station is, and they both choose Lisa’s favorite station. Based on this, Lisa decides her favorite station should have been on the list. In your Answer Document, explain why Lisa’s conclusion is not valid by giving two reasons why her sample is biased. (2 points)

Final Jeopardy Answer Lisa’s sample could be biased because of several reasons, such as the following: Lisa’s sample is too small (only two people). Lisa asked only her friends (they may like the same things that she does). Lisa asked only girls (boys may choose something else). Lisa asked only people her own age (different age groups may have different tables).