Name: Class: Date: ID: A Chapter 1 Review - Challenge Pre-algebra Evaluate the expression. 1. 12 8 + 20 8 2 a. 112 b. 102 c. 98 d. 54 2. 14 + 30 13 2 3. ( 6 7) 3 6 + 6 Add parentheses to make the statement true. 4. 4 3 + 6 2 = 28 Evaluate the expression for the given value(s) of the variable(s). 5. 2k + 3j, k = 2, j = 1 6. 6x + 11, x = 8 Write the phrase as an expression. Let x represent the number. 7. 12 less than a number 8. To rent an apartment you must pay a $600 dollar deposit and your monthly rent is $500. Write a variable expression for the cost of renting for m months. Then find the cost for 12 months. Write the product as a power and describe the power in words. 9. 4 4 4 4 4 4 4 4 4 4 10. 19 3 Evaluate the power. 11. 3 6? 6 3 Copy and complete the statement using <, >, or =. a. = b. > c. < 1
Name: ID: A Evaluate the expression. 12. 7 32 2 3 Solve the equation using mental math. 13. m 14 = 15 14. 6x = 42 15. 56 m = 8 16. 9 + y = 23 Find the perimeter and area of the rectangle or square. 17. 18. length = 150 f t, width = 60 f t 19. Mary is making a square tablecloth. If each side is 92 inches in length, what is the area of the tablecloth? 20. Find the side length of a square that has a perimeter of 60 yards. 2
Name: ID: A 21. Which of the following is NOT a method for finding the area of the figure? (The figure may not be drawn to scale.) 22. 2570 a. 16 10 2( 3 8) b. 2( 10 4) + 8 4 c. 16 4 + 4( 3 4) d. 4( 3 4) + 8 10 Write the number in scientific notation. a. 0.257 10 4 c. 257 10 b. 2.57 10 3 d. 25.7 10 5 23. 0.000486 Complete the statement using <, >, or =. 24. 7.85 10 6? 7.58 10 5 a. = b. < c. > Order the numbers from least to greatest. 25. 4.38 10 8 4.38 10 6 43,800,000 8.38 10 7 a. 4.38 10 6 43,800,000 8.38 10 7 4.38 10 8 b. 43,800,000 4.38 10 6 8.38 10 7 4.38 10 8 c. 4.38 10 6 43,800,000 4.38 10 8 8.38 10 7 d. 43,800,000 4.38 10 6 4.38 10 8 8.38 10 7 3
Chapter 1 Review - Challenge Pre-algebra Answer Section 1. ANS: A PTS: 1 DIF: Level B REF: MLC10032 TOP: Lesson 1.2 Order of Operations KEY: whole decimal order of operations 2. ANS: 4 PTS: 1 DIF: Level A REF: MLC10029 TOP: Lesson 1.2 Order of Operations KEY: order of operations 3. ANS: 30 PTS: 1 DIF: Level B REF: MLC10035 TOP: Lesson 1.2 Order of Operations KEY: order of operations parenthesis whole 4. ANS: 4 ( 3 + 6 2) = 28 PTS: 1 DIF: Level C REF: MGR80004 TOP: Lesson 1.2 Order of Operations KEY: order of operations 5. ANS: 7 PTS: 1 DIF: Level A REF: MLC30013 KEY: variable evaluate value integer add expression 6. ANS: 59 PTS: 1 DIF: Level A REF: MLC30014 KEY: whole variable evaluate divide 7. ANS: x 12 PTS: 1 DIF: Level B REF: MLC10661 KEY: word expression translate 1
8. ANS: 500m + 600, $6600 PTS: 1 DIF: Level B REF: MLC30019 BLM: Application 9. ANS: 4 10, 4 to the tenth power KEY: evaluate word expression PTS: 1 DIF: Level A REF: MLC30029 TOP: Lesson 1.4 Powers and Exponents KEY: repeated multiplication whole power exponential notation 10. ANS: 6859 PTS: 1 DIF: Level B REF: MLC30865 TOP: Lesson 1.4 Powers and Exponents KEY: whole exponent power 11. ANS: B PTS: 1 DIF: Level B REF: MLC20029 TOP: Lesson 1.4 Powers and Exponents KEY: compare exponent power 12. ANS: 28 PTS: 1 DIF: Level B REF: MLC30022 TOP: Lesson 1.4 Powers and Exponents KEY: order of operations exponent power 13. ANS: 29 PTS: 1 DIF: Level A REF: MLC30033 TOP: Lesson 1.5 Equations and Solutions KEY: subtraction solve equation solution substitution 14. ANS: 7 PTS: 1 DIF: Level A REF: MLC30034 NAT: NCTM 6-8.ALG.2.d TOP: Lesson 1.5 Equations and Solutions KEY: solve equation division variable divide multiply multiplication one-step 15. ANS: 7 PTS: 1 DIF: Level B REF: MLC30035 TOP: Lesson 1.5 Equations and Solutions KEY: multiply solve equation 2
16. ANS: 14 PTS: 1 DIF: Level B REF: MLC30037 TOP: Lesson 1.5 Equations and Solutions KEY: add subtract mental math 17. ANS: P = 38 cm A = 78 cm 2 PTS: 1 DIF: Level B REF: MLC30041 NAT: NCTM 6-8.MEA.2.c KEY: area perimeter rectangle BLM: Application 18. ANS: P = 420 f t A = 9000 f t 2 PTS: 1 DIF: Level B REF: MLC30043 NAT: NCTM 6-8.MEA.2.c KEY: area width perimeter rectangle length BLM: Application 19. ANS: 8464 in. 2 PTS: 1 DIF: Level B REF: MLC30890 NAT: NCTM 6-8.MEA.2.c KEY: word feet square area inches unit BLM: Application 20. ANS: 15 yd PTS: 1 DIF: Level B REF: MLC30044 KEY: square perimeter length BLM: Application 21. ANS: D PTS: 1 DIF: Level B REF: MCT80023 NAT: NCTM 6-8.MEA.2.c KEY: rectangle area composite 22. ANS: B PTS: 1 DIF: Level A REF: MLC30262 STA: MO 8.1.1.C.1 TOP: Lesson 4.8 Scientific Notation KEY: write a number in scientific notation BLM: Knowledge 3
23. ANS: 4.86 X 10 4 PTS: 1 DIF: Level A REF: MLC30263 STA: MO 8.1.1.C.1 TOP: Lesson 4.8 Scientific Notation KEY: write a number in scientific notation BLM: Knowledge 24. ANS: B PTS: 1 DIF: Level B REF: MLC30268 TOP: Lesson 4.8 Scientific Notation KEY: comparing numbers scientific notation 25. ANS: A PTS: 1 DIF: Level B REF: MLC30847 TOP: Lesson 4.8 Scientific Notation KEY: ordering numbers scientific notation 4