Math 6th Grade Semester Exam 2014



Math Semester 1 Review & Practice 2014Name ___________________________Date _________________ Period ____ Which of the following statements MUST be true for any prime number? The number is divisible by three.The number is divisible only by itself and 1.The number has more than two factors.The number cannot be odd.*know the definition for prime numbers and composite numbersIf n is a positive whole number and n is divisible by 5, which of the following MUST be true?The ones digit of n is 0 or 5.The tens digit of n is 0 or 5.The sum of the digits of n is divisible by 5.The number formed by the tens digit and the ones digit of n is divisible by 5.*know the divisibility rule for 2, 3, 4 and 5 Which of the following is NOT a factor of 56?8547*know how to find factors Which of the following is a prime factorization of 132? 2x6x112x2x3x112x2x3x3x113x4x11*know how to find prime factorization—make factor trees What is the greatest common factor of 12 and 48? 481262*know how to find the GCFWhat is the least common multiple of 12 and 16?19228482*know how to find the LCM What is the absolute value of a number?Twice the number’s distance from 1 on the number line.The number’s distance from zero on the number line.Half the number’s distance from zero on the number line.The number’s distance from one on the number line.*know absolute value, oppositeThe lowest point of Death Valley is -282 feet. Which of the following best describes -282 feet?282 feet above sea level282 feet below sea level141 feet below sea level141 feet above sea level*know above and below sea level, temperature, positive and negative numbersIn New Orleans, the elevation is greater than -10 feet. Which of the following best describes New Orleans?New Orleans is higher than 10 feet above sea level.New Orleans is lower than 10 feet below sea level.New Orleans is higher than 10 feet below sea level.New Orleans is lower than10 feet above sea level. 10. Both coordinates of a point in the coordinate plane are positive. In which quadrant is this point located?A. Quadrant IB. Quadrant IIC. Quadrant IIID. Quadrant IV *understand coordinate grids 11. Which of the following coordinates is farthest to the right of the origin on a coordinate plane?A. (-8,6)B. (0, -12)C. (5,3)D. (7, 0) 12. Which statement about negative numbers is not true?A. Negative numbers are located to the left of 0 on a number line.B. The absolute value of a negative number is negative.C. Negative numbers are less than positive numbers.D. A negative number is less than its opposite. 13. Write 3/8 as a decimal.A. 3.8B. 0.38C. 0.375D. 3.75 *know how to change a fraction to a decimal 14. On a coordinate plane, how are the locations of the points (-5, 3) and (-5, -3) related? A.reflection across the y-axis B.reflection across both axes C.reflection across the x-axis D.locations unrelated15. Which list orders integers from least to greatest? A.-3, 1, -2, 4, 5 B.0, -1, -2, 3, 4 C.-3, -2, 0, 2, 4 D.0, 2, -2, -3, 416. What is the absolute value of the number indicated on the number line below?891011121314151617181920 A.14 B.17 C.-14 D.-1717. Which list orders integers from greatest to least? A.12, 11, -13, -5, -8 B.-9, -5, -3, 1, 2 C.12, 1, -3, -5, -8 D.1, 2, -8, -5, -318. What is the opposite of -8? A.-4 B.8 C.-8 D.019. What letter is at coordinate position (8,-8)? A.T B.A C.H D. R20. What is the absolute value of the number indicated on the number line below?-12-11-10-9-8-7-6-5-4-3-2-10 A.-9 B.9 C.6 D.-621. Sarah is looking at her online bank account summary and sees a money transfer for -$53. Which of the following best describes -$53? A.$50 received B.$50 spent C.$53 spent D.$53 received22. What are the coordinates of the point labeled T? A.(-4, -3) B.(3, 4) C.(4, 3) D.(-3, -4)23. Which of the following is true given that -5 < -3? A.-5 is the opposite of -3 on a horizontal number line B.-5 is in the same place as -3 on a horizontal number line C.-5 is to the right of -3 on a horizontal number line D.-5 is to the left of -3 on a horizontal number lineSimplify. 24. 2,899 ÷ 13 25. 823 ÷ 4 26. 28.3 + 5.39 27. 723.16 – 5.2317 28. 4.23 x 6.7 29. 4.53 ÷ 630. 37.5 ÷ 2.5 31. The booster club sells school t-shirts each fall. The shirts cost $14.75 each. If each member of a family of eight buys a shirt, how much do they spend?32. Nine tickets to the movies cost a total of $74.25. What is the cost of one ticket?33. Sam paid $44.73 for 14.2 gallons of gas. What was the cost per gallon? In the sport of golf, the lowest score wins. Players try to get the ball in the hole in the least amount of strokes or hits. If a player gets the ball in the hole in less than the allotted number of strokes, the score becomes negative. The table shows five golfers’ scores at the end of a tournament. GolferScoreDobbs -4Gardiner 3Baldwin -1McCann -5Williams 2Part A: Which player won, and how many strokes ahead of the second place finisher was he?Part B: Write an inequality to compare the first place finisher’s score to the last place finisher’s score.Write a sentence explaining what the inequality means.Consider the inequality shown.-2 < 6Create a real life scenario that correctly matches the inequality given. Add signs or symbols ($, ?, etc.) to the numbers if necessary. Briefly explain why the story matches the inequality. ................
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