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Math 7/Unit 2 Practice Test: Integers and Rational Numbers Name: Date: 1. Define and give an example of absolute value. 2. Define greatest common factor (GCF). Give an example, using 12 and 16. 3. Compare and contrast rational numbers and integers. Be sure to include examples in your explanation. 4. Draw a model to prove 2 ( 3) 1. 5. Explain how the signs of two integers affect their quotient. Math 7 Practice Test Unit 02: Integers and Rational Numbers Page 1 of 5 Simplify problems 6 – 12. 6. 2 7 3 10. 7 7. 3 8 11. 5 8. 2(3)( 4) 12. 9 5 9. 27 3 13. One day the temperature increased from 5 to 7 degrees. What was the total change in temperature on this day? A. 12 B. 2 C. 2 D. 12 14. For which equation is 4 a solution? A. x 2 6 B. x 6 2 C. 5 x 20 D. x 8 2 Solve the following equations. Show your work. 15. x 5 3 16. 2 x 18 x 17. 4 3 Math 7 Practice Test Unit 02: Integers and Rational Numbers Page 2 of 5 18. Two figures are shown below. Each figure models a different equation. The equation x 8 10 is modeled by figure 1. Figure 1: = Figure 2: = Which equation is modeled by Figure 2? A. x26 B. x46 C. 4x 6 D. 4x 1 6 19. Write the prime factorization for 48. Show your work. 20. What is the greatest common factor of 32 and 24? A. 96 B. 16 C. 8 D. 4 21. Find the least common multiple (LCM) of 12 and 16. Explain your thinking. Math 7 Practice Test Unit 02: Integers and Rational Numbers Page 3 of 5 22. Jen walks around the block in 10 minutes. Alex rides his bike around the block in 4 minutes. They both start at the same time and place. What is the least number of minutes when they will meet again at the starting point? A. 4 minutes B. 10 minutes C. 20 minutes D. 40 minutes 60 23. Convert to a mixed number. 7 24. Which pair of rational numbers is equivalent? A. 25 1 and 100 3 B. 75 7 and 100 10 C. 8 3 and 12 4 D. 24 2 and 36 3 25. Which pair of rational numbers is equivalent? A. 7 .007 and 100 B. 1 and .15 5 C. 2 .4 and 5 D. 2 and .6 3 26. Write these numbers from least to greatest: 1 2 4 .06, , , .5, 4 3 5 3 2 27. Compare the fractions. Write < or >. 7 4 Math 7 Practice Test Unit 02: Integers and Rational Numbers Page 4 of 5 28. Tom spends between $1.75 - $2.25 for lunch each day of the school year. There are 180 days in a school year. What is the best estimate for the total amount Tom will spend on lunch in a year? A. $50 - $250 B. $250 - $450 C. $450 - $650 D. $650 - $850 29. The balance of Maria’s bank account was $22 at the beginning of the month. She wrote two checks, one for $9.00, the second for $15.00, and she made a deposit of $10.00. A. Write a numeric expression that reflects these account transactions. B. What is the balance in her account after these transactions? 30. Write 0.085 in scientific notation. Review 31. Simplify: 5 y 2 y 8 32. Name the property illustrated in the following algebraic expression. (7 6) 4 7 (6 4) A. associative B. commutative C. distributive D. identity 6x 33. Evaluate when x 10 and y 3 . Show your work. 5y 34. Convert 750 millimeters into meters. Math 7 Practice Test Unit 02: Integers and Rational Numbers Page 5 of 5

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rational numbers, how to, practice test, grade 7, unit 2, algebra 1, chapter test, number line, unit test, word problems, linear equations, chapter 8, mathematics curriculum, chapter 9, whole numbers

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posted: | 9/4/2010 |

language: | English |

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