The purpose of this math inventory is to return a test score that directly correlates to the basic compentencies of the 8th Grade Math Standard. The following scale indicates the level of competency for the student tested: 0 - 13 Remedial level. 14 - 19 Instructional level. 20 - 27 Likely to exceed the 8th Grade Standard. Take as much time as needed to complete the test 1. Find the next number in the sequence. 4, 16, 64, 256, 1024 ? 2048 3072 4096 5120 2. What is the reflection across the x axis of point A (4,1)? (0,-1) (-4,1) (-4,-1) (4,-1) 3. The length of a box was measured to the nearest centimeter and found to be 7 centimeters. Which of these could have been the length if the box was measured with greater precision? 6.4 centimeters 6.7 centimeters 7.62 centimeters 7.9 centimeters 4. Which is the best estimate for: 5 3/7 + 6 5/8 About 11 About 12 About 15 About 31 5. Give the name for AB. Radius Chord Ray Diameter 6. Jose can buy 3 CDs in a store for $36.00, or 7 CDs by mail for $56.00. The cost for each CD by mail is what fraction of the store price? 3/7 9/14 2/3 6/4 7. What are the coordinates of point A? (-2,2) (-2,-2) (2,-2) (2,2) 8. For the past 5 days, the daily number of phone calls to the office has been 28, 50, 55, 55 and 42. What is the MEAN number of phone calls the office has received? 46 50 55 58 9. Which of the following angles is acute? A B C D 10. The manager of the Pawtucket Red Sox baseball club puts up a list of the 21 players on the team. The list is arranged by the number of hits each player has; the player with the most hits is at the top of the list. Assuming no two players have the same number of hits, how many hits does the 11th player on the list have? The mean number of hits The median number of hits The modial number of hits The maximum number of hits 11. Nancy can walk 1 mile in 20 minutes. The model below shows her walking time for each side of the park by her house. What is the perimeter of the park? 0.5 miles 2.5 miles 5.0 miles 50 miles 12. Given the following equations: y = x + 2 y = -2x + 5 Which point is the solution to both equations? 1, 3 -1, 3 -1, -3 1, -3 13. If a 20 pound bag of fertilizer will cover 1,000 square feet of lawn, how many pounds of fertilizer will it take to cover the lawn shown below? 10 pounds 64 pounds 80 pounds 96 pounds 14. Estimate the size of the indicated angle: 45 degrees 95 degrees 135 degrees 180 degrees 15. A prime factorization for the number 207 is 3 x 3 x 23 9 x 23 2 x 103.5 207 cannot be factored because it is already a prime number. 16. Use scientific notation to determine the answer: A B C D 17. Which inequality is represented by the graph? y is less than -2x +1 2y + x is greater than or equal to 1 y is greater than 2x - 1 y is less than or equal to -2x + 3 18. Here is a graph that shows U.S. car sales between 1979 and 1984: What pattern of sales is shown by this graph? Yearly car sales increased and then decreased. Yearly car sales stayed almost the same Yearly car sales decreased and then increased. Yearly car sales decreased and remained low. 19. The best of these estimates for the height of a door to a house is 15 centimeters 2 meters 0.1 meter. 2 kilometers 20. A jar contains 2 black and 3 white marbles. Al picks 1 marble without looking. What is the probability he picks a black marble? 1/5 2/5 2/3 5 21. Here is a triangle: Right Isosceles Obtuse Equilateral 22. Examine the graph below and choose the best answer. Which spinner would be most likely to give results displayed in the graph? A B C D 23. How much of the square is shaded? 1/4 1/2 3/4 3/8 24. The graph shows the height of a Douglas fir tree over time. Which statement best describes the pattern of the tree? It grows at the same rate every year. It grows fastest during the first part of its life. It grows fastest during its middle years. It grows fastest during its last years. 25. Use this table to answer the question that follows. Which choice is closest to the MEAN length of these 5 eclipses? 2 minutes, 10 seconds 3 minutes, 18 seconds 3 minutes, 31 seconds 4 minutes, 51 seconds 26. How many zeros are in the number six million one thousand fourteen? 1 2 3 4 27. Which is true? -721 + 533 > 1,400 234 x 24 < 6,000 9,248 - 3,790 = 5,000 300 x 200> 600,000 28. Where n=3, which of the following statements is true? 1 - (-2) = n n x 3 = 12 3 + 3 = n + 4 N = 1 + (-3) Your score is out of 28
3. The length of a box was measured to the nearest centimeter and found to be 7 centimeters. Which of these could have been the length if the box was measured with greater precision?
6.4 centimeters 6.7 centimeters 7.62 centimeters 7.9 centimeters
4. Which is the best estimate for: 5 3/7 + 6 5/8
About 11 About 12 About 15 About 31
5. Give the name for AB. Radius Chord Ray Diameter
6. Jose can buy 3 CDs in a store for $36.00, or 7 CDs by mail for $56.00. The cost for each CD by mail is what fraction of the store price?
3/7 9/14 2/3 6/4
7. What are the coordinates of point A?
(-2,2) (-2,-2) (2,-2) (2,2)
8. For the past 5 days, the daily number of phone calls to the office has been 28, 50, 55, 55 and 42. What is the MEAN number of phone calls the office has received? 46 50 55 58
9. Which of the following angles is acute?
A B C D
10. The manager of the Pawtucket Red Sox baseball club puts up a list of the 21 players on the team. The list is arranged by the number of hits each player has; the player with the most hits is at the top of the list. Assuming no two players have the same number of hits, how many hits does the 11th player on the list have?
The mean number of hits The median number of hits The modial number of hits The maximum number of hits
11. Nancy can walk 1 mile in 20 minutes. The model below shows her walking time for each side of the park by her house. What is the perimeter of the park? 0.5 miles 2.5 miles 5.0 miles 50 miles
12. Given the following equations: y = x + 2 y = -2x + 5 Which point is the solution to both equations?
1, 3 -1, 3 -1, -3 1, -3
13. If a 20 pound bag of fertilizer will cover 1,000 square feet of lawn, how many pounds of fertilizer will it take to cover the lawn shown below?
10 pounds 64 pounds 80 pounds 96 pounds
14. Estimate the size of the indicated angle:
45 degrees 95 degrees 135 degrees 180 degrees
15. A prime factorization for the number 207 is
3 x 3 x 23 9 x 23 2 x 103.5 207 cannot be factored because it is already a prime number.
16. Use scientific notation to determine the answer:
17. Which inequality is represented by the graph?
y is less than -2x +1 2y + x is greater than or equal to 1 y is greater than 2x - 1 y is less than or equal to -2x + 3
18. Here is a graph that shows U.S. car sales between 1979 and 1984:
What pattern of sales is shown by this graph?
Yearly car sales increased and then decreased. Yearly car sales stayed almost the same Yearly car sales decreased and then increased. Yearly car sales decreased and remained low.
19. The best of these estimates for the height of a door to a house is
15 centimeters 2 meters 0.1 meter. 2 kilometers
20. A jar contains 2 black and 3 white marbles. Al picks 1 marble without looking. What is the probability he picks a black marble?
1/5 2/5 2/3 5
21. Here is a triangle:
Right Isosceles Obtuse Equilateral
22. Examine the graph below and choose the best answer. Which spinner would be most likely to give results displayed in the graph?
23. How much of the square is shaded?
1/4 1/2 3/4 3/8
24. The graph shows the height of a Douglas fir tree over time. Which statement best describes the pattern of the tree?
It grows at the same rate every year. It grows fastest during the first part of its life. It grows fastest during its middle years. It grows fastest during its last years.
25. Use this table to answer the question that follows. Which choice is closest to the MEAN length of these 5 eclipses?
2 minutes, 10 seconds 3 minutes, 18 seconds 3 minutes, 31 seconds 4 minutes, 51 seconds
26. How many zeros are in the number six million one thousand fourteen?
1 2 3 4
27. Which is true?
-721 + 533 > 1,400 234 x 24 < 6,000 9,248 - 3,790 = 5,000 300 x 200> 600,000
28. Where n=3, which of the following statements is true?
1 - (-2) = n n x 3 = 12 3 + 3 = n + 4 N = 1 + (-3)
Your score is out of 28