Summer Packet. 8 th Grade Math Name

Transcription

1 Summer Packet 8 th Grade Math Name

2 Page of 15 8 th Grade MSA Formative #3 Non Calculator Section 1B1b b 1. Evaluate this expression for a 4 and b 16 : ab 4 a a. a. 84 b. 5 c. 44 d. 4 1B1c. Evaluate this expression: a b. - 7 c. 7 7 d B1d 3. Look at the expression below. 8 n n Which expression is equivalent to the given expression? a. 3 (n 1) b. 3 (n + 4) c. 3 (n 4) d. 3 (n 8) 1Bb 4. Solve this equation for x: 4(x 3) 3x 17. a. 1 4 b. 5 c. 5 d. 14 1Bc 5. Solve this inequality for x: 6 x (x 4) 1. a. x.83 b. x 3.5 c. x 4.5 d. x 6.5

3 Page 3 of 15 1Bd 6. Which of these graphs represents the solution set for this inequality: 4x 15 11? a. b. c. d. 1Be 1Bf 7. Which of these equations is equivalent to 8 x 5? 5 a. 8x 5 10 b. 8x 1 8x c. 7 5 d. 8x 8. The formula to determine kinetic energy, k, is given by kinetic energy of an object if m 8 and v 4. a. 3 b. 64 c. 18 d k mv. What is the 4A1b 9. Darnell s math test scores were: 86, 65, 94, 95, 78, 84, 68, 80, 65, 78, and 96. If Darnell made a box-and-whisker plot to represent this data, which of these would be the 1 st quartile? a. 65 b. 68 c. 80 d. 94

4 Page 4 of 15 4A1a 6C1a 6C1a 10. Letitia wants to make a circle graph from the data in the table below. What will be the angle measure, in degrees, for the section that represents Geometry? a. 5º b. 7º c. 90º d. 108º 11. Simplify this expression: 194 ( 105) a. -99 b. -99 c. 99 d Simplify this expression: a b c. 779 d Favorite Classes of High School Students Class Percent Algebra I 30 Geometry 5 Algebra II 0 Pre-Calculus 15 Biology 10

5 Minutes to Run a Mile Minutes to Run a Mile Minutes to Run a Mile Minutes to Run a Mile 8 th Grade MSA Formative #3 Page 5 of 15 4A1c 13. A study was done which matched a student s grade in math class with their time to run a mile. The data is represented in the table below. Math Grade Time in the Mile Run (in minutes) Which of these scatter plots accurately represents the data in the table above? Grade vs Speed Grade vs Speed a Math Grade b Math Grade Grade vs Speed Grade vs Speed c Math Grade d Math Grade

6 Page 6 of 15 6C1b 6C1b 6C1c 14. Simplify this square root: 81 a. 9 b. 10 c. 11 d Evaluate this power: 4 3 a. -64 b. -1 c. 1 d Which of these is equivalent to 4 3 x 4 5 x a b c d. 4

7 Page 7 of 15 Calculator Active Section 1A1a 1A1b 1A1c 17. Examine this sequence: 5, 16, 7, 38, What would the 9 th term of the sequence be? a. 11 b. 49 c. 93 d Examine this sequence:, 6, , What would the eighth term of the sequence be? a. 16 b. 34 c. 1,458 d. 4, Which of the graphs below represents a linear function? a. b. c. d. 1B1a 0. Which expression represents six more than twice the difference of a number and 5? a. ( x 5) 6 b. x 5 6 x 6 5 c. d. x 6 5

8 Page 8 of 15 1Ba 1. Kaitlin and Bridget are going to the movies. They have $5 to spend on tickets and candy. Tickets costs $7 each and candy is $ per box. Which inequality below would help them decide how many boxes of candy they can buy? a. 9x 5 b. 7 ( x) 5 c. 7x 5 d. (7) x 5 1C1a. Which of these graphs represents the equation 1 y x 3? a. b. c. d.

9 Page 9 of 15 1Ca 3. What is the slope of the line whose equation is a. b. 7 y x? 7 A1a c. 7 d. 4. Which pair of angles are corresponding angles? a. 1 and 3 b. and 3 c. 5 and 4 d. 6 and 3 x y A1b 5. Given the right triangle ABC below. AB is a(n). a. leg b. acute c. hypotenuse d. pythagoreanuse A C B Aa 6. In the diagram, line l is parallel to line m. If 7 is 80, what is the measure of 1? a. 10 b. 80 c. 100 d. 180 l m

10 Page 10 of 15 Ab 7. The distance between the bases on a baseball diamond is 90 feet, as shown below. Second base 90 feet 90 feet Third base d First base 90 feet 90 feet Home plate What is the distance (d), in feet, between home plate and second base? Round your answer to the nearest whole number. a. 90 b. 17 c. 135 d. 180 D1a 8. ABC is similar to XYZ. Determine the length of YZ. a. 10 b. 0 c. d. 5 C 0 16 B 1 A Z??? 0 Y 15 X

11 Page 11 of 15 E1a 9. The point (3, 4) is plotted on the grid below. What are the coordinates of the point after a 90 counter clockwise rotation about the origin followed by a translation 5 units to the left? a. (-9, 3) b. (-4, 3) c. (-1, -3) d. (1, 3) 3C1a 30. The area of a circle is square cm. What is its radius? (Use 3.14 for.) a. 7. cm b. 5.9 cm c cm d cm 3C1b 31. The heart shaped composite figure below consists of a square and two semi-circles. What is the area of the entire figure? (Use 3.14 for.) a square cm b square cm c square cm d square cm 8 cm

12 Page 1 of 15 3C1c 3. A cylindrical paper towel roll has the dimensions shown. What is the volume of the pipe? Use 3.14 for. 1 in 3 a. 6 in 3 b. 9.4 in 0.5 in 3 c in 3 d in 3Ca 4B1a 33. Charlie is making a model of a steamship using a scale of 150:1. If the length of the actual ship is 900 feet, how long should the model be? a..6 feet b. 6 feet c. 60 feet d. 150 feet 34. The frequency table below represents the grades of students in Mr. McNulty s 4 th period class. How many students have grades ranging from 60 to 89? Grades in Algebra a. 4 Size Tally Frequency b and below 1 c d B1b 35. Ms. Smith gave a quiz last week. The results for two of her classes are shown on the box-and-whisker plot below. Scores on the Quiz Class A Class B Quiz Score Which sentence best describes the quiz results? a. The medians for the two classes are the same. b. Class A has a smaller range of scores in the upper quartile that Class B. c. Class A performed better than Class B. d. The lower extreme of Class B is greater than the lower extreme of Class A.

13 Shoe Size 8 th Grade MSA Formative #3 Page 13 of 15 4B1c 36. A study was done to determine whether there was a relationship between a person s age and their shoe size from ages 8 through 13. The scatter plot below represents the shoe size of the children surveyed. Age vs Shoe Size According to the graph, which of these best describes the correlation between a person s age their shoe size? a. negative b. positive c. diagonal d. no correlation at all Age in Years 4B1d 37. The circle graph below represents how voters voted in an election. Distribution of Votes Gauthier Tau Schiesz Bramble Which candidate had the most amount of votes? a. Tau b. Gauthier c. Schiesz d. Bramble 5A1b 38. Five sisters, Amy, Belinda, Carla, Donna, and Eloise, have 8 hats to share. Since no two girls can wear the same hat at the same time, how many different combinations of hats can they wear? a. 40 b. 6,70 c. 3,768 d. 40,30

14 Page 14 of 15 5B1a 39. Davey flips a coin and rolls a standard six sided die. What is the probability that the coin will come up heads and the die will land on either a 5 or a 6? a. 1 1 b. 1 6 c. 1 4 d. 1 5Ba 40. Sue has a bag with 30 candy bars. 0 of them are Milky Way and 10 are Snickers. She closes her eyes and takes out one Milky Way and eats it. If she closes her eyes and pulls out another candy bar, what is the probability that it will be another Milky Way? a. 1 b c d. 3 5C1a 41. Alexandra conducted a survey of 50 candles made by several different workers at a candle factory. She determined that 4% of the candles had mistakes. Based on the results of Alexandra s survey, what prediction can she make about the next 500 candles made by these workers at the factory? a. 4 candles will have mistakes. b. 0 candles will have mistakes. c. 40 candles will have mistakes. d. 00 candles will have mistakes. 6A1a 4. One ounce is equal to a b c d tons. Which of these is equivalent to ? 6A1b 43. Which of these lists are in order from least to greatest? a. -8, -6, -10, -4 b. -4, -6, -8, -10 c. -10, -6, -8, -4 d. -10, -8, -6, -4

15 Page 15 of 15 6C1d 6Ca 6Cb 6C3a 6C3b 6C3c 44. Which of these demonstrates the commutative property? a b c d is approximately equal to which of these? a. 7.5 b. 8.5 c. 9.5 d Jayme bought a new swing set that was on sale for $395. It was regularly priced $495. Approximately, what was the percent discount? a. 0% b. 30% c. 40% d. 50% 47. Martha bought 15 pencils for a total of $1.95. How much did each one cost? a. $.13 b. $.15 c. $.19 d. $ Taylor was earning an income of $1,000 a week. Then his income was reduced by 10%. Two months later, his income increases by 10%. How much is Taylor earning, in dollars, after his income increases? a. $ 990 b. $ 999 c. $ 1,000 d. $ 1, It took Mark 1.5 hours to dig a 0 foot trench. At this same rate, how long would it take him to dig a 0 foot trench? a. 11 hours b. 15 hours c hours d. 1.5 hours