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Are You Smarter Than an 8 th Grade Math Student?

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1,000,000 Measurement #1 Measurement #2 Probability & Statistics #Probability & Statistics #1 Probability & Statistics #Probability & Statistics #1 Probability & Statistics #Probability & Statistics #2 Geometry & Spatial #1 Geometry & Spatial #2 Patterns & Algebra #1 Patterns & Algebra #2 Numbers & Operations #1 Number & Operations #2 500,000 300,000 175,000 100,000 50,000 25,000 10,000 5,000 2,000 1,000

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A cell-phone tower that has a transmission range of 50 miles is located 40 miles due south of a straight road. Find x, the length of the section of road that is within the transmission range of the tower. A 10 mi B 30 mi C 60 mi D 90 mi A cell-phone tower that has a transmission range of 50 miles is located 40 miles due south of a straight road. Find x, the length of the section of road that is within the transmission range of the tower. A 10 mi B 30 mi C 60 mi D 90 mi Measurement #1 Question

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Measurement #1 Answer C C 30 is half the distance. The total transmission range is 60 miles.

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Measurement #2 Question To the nearest square inch, what is the area of pavement with which the surface of the roller will come into contact in one complete rotation? A 753 in 2 B 1,507 in 2 C 1,708 in 2 D 1,909 in 2 To the nearest square inch, what is the area of pavement with which the surface of the roller will come into contact in one complete rotation? A 753 in 2 B 1,507 in 2 C 1,708 in 2 D 1,909 in 2

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Measurement #2 Answer B Lateral Surface Area B Lateral Surface Area

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Probability & Statistics #1 Question The results of a random survey showed that 42 out of 80 people plan to vote for Mr. Vu for city council. Which is the best prediction of the total number of votes he will receive if 2,000 people vote? F 25 H 120 G 50 J 1,000 The results of a random survey showed that 42 out of 80 people plan to vote for Mr. Vu for city council. Which is the best prediction of the total number of votes he will receive if 2,000 people vote? F 25 H 120 G 50 J 1,000

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Probability & Statistics #1 Answer J = 1,000

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Probability & Statistics #2 Question Which description best represents the relationship of the dentists data? F Negative trend G No trend H Positive trend J Cannot be determined Which description best represents the relationship of the dentists data? F Negative trend G No trend H Positive trend J Cannot be determined

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Probability & Statistics #2 Answer F = Negative Trend The # of cavities decrease as the patient gets older. F = Negative Trend The # of cavities decrease as the patient gets older.

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Geometry & Spatial #1 Question Quadrilateral PQRS was dilated to form quadrilateral WXYZ. Which number best represents the scale factor used to change quadrilateral PQRS into quadrilateral WXYZ? A B CD Quadrilateral PQRS was dilated to form quadrilateral WXYZ. Which number best represents the scale factor used to change quadrilateral PQRS into quadrilateral WXYZ? A B CD

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Geometry & Spatial #1 Answer C = double Enlargement: scale factor > 1. C = double Enlargement: scale factor > 1.

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Geometry & Spatial #2 Question Which drawing shows a 3-D view of the solid figure represented? Which drawing shows a 3-D view of the solid figure represented? A B C D

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Geometry & Spatial #2 Answer A: matches both views B: extra cube sticking up C: extra cube sticking out on bottom D: Missing one cube on the top A: matches both views B: extra cube sticking up C: extra cube sticking out on bottom D: Missing one cube on the top

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Patterns & Algebra #1 Question Mr. Parks total monthly charge for local and long- distance telephone service, c, can be found using the equation c = 20 + 0.07m, where m represents the number of minutes of long-distance calls Mr. Park made during that month. Find the total charge for a month during which Mr. Park made 100 minutes of long-distance calls. F $7.00 G $20.00 H $20.07 J $27.00 Mr. Parks total monthly charge for local and long- distance telephone service, c, can be found using the equation c = 20 + 0.07m, where m represents the number of minutes of long-distance calls Mr. Park made during that month. Find the total charge for a month during which Mr. Park made 100 minutes of long-distance calls. F $7.00 G $20.00 H $20.07 J $27.00

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Patterns & Algebra #1 Answer J = $27.00

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Patterns & Algebra #2 Question Vanita can read an average of 18 pages during a 30-minute reading period at school. At this rate, approximately how long will it take her to read a 380-page book? A 11 h B 21 h C 23 h D 42 h Vanita can read an average of 18 pages during a 30-minute reading period at school. At this rate, approximately how long will it take her to read a 380-page book? A 11 h B 21 h C 23 h D 42 h

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Patterns & Algebra #2 Answer A = 11hr

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Numbers & Operations #1 Question The area of a square is 125 square meters. Which best represents the length of a side of the square? F 10.8 m G 11.2 m H 11.9 m J 12 m The area of a square is 125 square meters. Which best represents the length of a side of the square? F 10.8 m G 11.2 m H 11.9 m J 12 m

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Numbers & Operations #1 Answer G = 11.2m

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Numbers & Operations #2 Question Ms. Gonzalezs monthly electricity bills for March through June were $97.09, $103.96, $114.73, and $121.82. She estimated that the electricity cost a total of $400.00 over these 4 months. Which best describes her estimate? A Less than the actual amount because she rounded to the nearest $100 B Less than the actual amount because she rounded to the nearest $10 C More than the actual amount because she rounded to the nearest $100 D More than the actual amount because she rounded to the nearest $10 Ms. Gonzalezs monthly electricity bills for March through June were $97.09, $103.96, $114.73, and $121.82. She estimated that the electricity cost a total of $400.00 over these 4 months. Which best describes her estimate? A Less than the actual amount because she rounded to the nearest $100 B Less than the actual amount because she rounded to the nearest $10 C More than the actual amount because she rounded to the nearest $100 D More than the actual amount because she rounded to the nearest $10

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Numbers & Operations #2 Answer A = Less than the actual amount because she rounded to the nearest $100

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Million Dollar Question Measurement

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1,000,000 Question EFG is similar to HJK. Find the length of JK. A 3 units B 7 units C 14 units D 24.5 units EFG is similar to HJK. Find the length of JK. A 3 units B 7 units C 14 units D 24.5 units

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1,000,000 Answer B = 7 units

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