Math 8 Third Nine Weeks Test

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1 Math 8 Third Nine Weeks Test Multiple Choice Identify the choice that best completes the statement or answers the question. 1. The line graph above shows the number of tickets sold each spring at a county fair. If the number of tickets sold continues to increase at the rate shown in the graph, what is the best prediction of ticket sales for 2008? A) 525 tickets B) 600 tickets C) 750 tickets D) 1,050 tickets 2. Based on the graph above, which statement is true? F) The greatest increase in sales occurred between 2002 and G) The least increase in sales occurred between 2003 and H) The greatest increase in sales during one year was 150 tickets. I) The least increase in sales during one year was 50 tickets. 1

Activity Number of Students Band 6 Drama 6 Math/Science Club 12 Sports 24 Which

2 3. Harry asked several classmates to name their favorite after-school activity and showed the results in this table. Activity Number of Students Band 6 Drama 6 Math/Science Club 12 Sports 24 Which graph correctly displays this information? A) C) B) D) 4. Which is the graph the image of ΔMOP for the translation 1 unit to the right? G) F) 2

3 H) 5. Which of the following measurements form a right triangle? A) 5cm, 12cm, 169cm B) 4cm, 6cm, 10cm C) 7cm, 9cm, 65cm D) 7cm, 24cm, 25cm I) 6. If QRS and XYZ are complementary, which must be true? F) One of the angles can measure between 90 and 180. G) The sum of the measures of the angles is 90. H) The sum of the measures of the angles is 180. I) Both angles must measure more than The box-and-whisker plot shows the class sizes in 15 schools. Which statement concerning the class sizes must be true? A) Half of the classes are larger than 15. C) The range of size is 11. B) The largest class is 26. D) The median class size is How many sides does a octagon have? F) 9 G) 8 H) 7 I) 10 3

4 Short Answer Mathematics Achievement of 8th Grade Students in U.S. in 1996 Percent of Students Scoring At or Above Proficient Level Source: The World Almanac 9. In how many states was the test either not administered or no more than 40% scored proficient or better? Find the mean of each set of data. Round to the nearest tenth if necessary , 39, 30, 40, 24, 23, 14, 21 Find the median of the following set of data. Round to the nearest tenth if necessary , 10, 14, 10, 33, 32, 40, 10 Find the mode of each set of data , 15, 26, 77, 25, 70, 65, 26, 86, 50, 26 Find the range for each set of data , 73, 118, 117, 118, 113, 56, 73, 62, 80, 81, 55, 115, 93, 54, 97 Find the upper quartile, lower quartile, interquartile range, and any outliers for each set of data , 55, 56, 57, 64, 64, 68, 68, 82, 91, 108, 111, 118, 159, 163 4

State the dimensions of the matrix. Then identify the position of the circled element. 15. 16. Rhea took a survey of the students in her class to find out about their career interests.

5 State the dimensions of the matrix. Then identify the position of the circled element Rhea took a survey of the students in her class to find out about their career interests. The results are shown in the graph. The medianof the data is associated with which career? 17. According to the graph, which was most likely the number of farms in 1955? U.S. Farms, Number of Farms (in millions) YEAR 5

18. State the dimensions of the following matrix. 21. 2 4 6 3 8 1 19. If the dark triangle was reflected across the x-axis then which triangle would show the image? 22.

6 18. State the dimensions of the following matrix If the dark triangle was reflected across the x-axis then which triangle would show the image? 22. A car s tire spins around the axle as the car drives. The movement of the tire around the axle represents what kind of transformation? Name the line of reflection for the pair of figures

7 23. Which line segment represents the hypotenuse? 24. Which two line segments represent the legs? 25. Using the Pythagorean Theorem, determine whether the following measurements form a right triangle. 27. Write an equation you could use to find the length of the missing side of each right triangle. Then find the missing length. Round to the nearest tenth if necessary. 26. Using the Pythagorean Theorem, determine whether the following measurements form a right triangle. 28. Name a term that best describes the relationship between STU and UTW? 7

8 29. Name a term that best describes the relationship between STU and UTW? 33. Find the value of x in each triangle. 30. Name the angle that is supplementary to FOD. Classify each triangle by its angles. 34. Use the figure showing two parallel lines cut by a transversal Find m 2 if m 1 = Find m 1 if m 6 =

9 Classify each triangle by its sides. Find the value of x in each quadrilateral Classify each quadrilateral with the name that best describes it Determine whether the polygons shown are congruent. If so, name the corresponding parts and write a congruence statement

10 41. The graph shows the number of books checked out at the public library each day last week. 43. What type of polygon is shown? On which day were there 3 times as many books checked out as on Tuesday? 42. What type of polygon is shown? 10

Ganado Unified School District 7 th Grade Mathematics

Ganado Unified School District 7 th Grade Mathematics PACING Guide SY 2014-2015 Quarter 3 Week 1 Graphs Text Reference Concept : Use random sampling to draw inferences about population. 7.SP.A.1. Understand