GGLLEENNCCOOEE MMAATTHHEEMMAATTIICCSS Course 3 Contents include: ■ Practice worksheets for 35 Basic Math Skills Copyright © by The McGraw-Hill Companies, Inc. All rights reserved. Printed in the United States of America. Permission is granted to reproduce the material contained herein on the condition that such material be reproduced only for classroom use; be provided to students, teachers, and families without charge; and be used solely in conjunction with Glencoe products.Any other reproduction, for use or sale, is prohibited without prior written permission of the publisher. Send all inquiries to: Glencoe/McGraw-Hill 8787 Orion Place Columbus, OH 43240 ISBN: 0-07-860734-5 Math Skills Maintenance, Course 3 2 3 4 5 6 7 8 9 10 024 11 10 09 08 07 06 05 04 CONTENTS Math Skill Page 1 Using Order of Operations with Powers . . . . . . . . . . . . . . . . . . . . . . 1 2 Divisibility Patterns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3 Prime Factorization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Greatest Common Factor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5 Equivalent Fractions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 6 Simplifying Fractions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 7 Least Common Multiple. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 8 Comparing and Ordering Decimals. . . . . . . . . . . . . . . . . . . . . . . . . 15 9 Adding and Subtracting Decimals. . . . . . . . . . . . . . . . . . . . . . . . . . 17 10 Multiplying Decimals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 11 Dividing Decimals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 12 Multiplying and Dividing Decimals. . . . . . . . . . . . . . . . . . . . . . . . . . 23 13 Operations with Decimals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 14 Estimating with Decimals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 15 Mixed Numbers and Improper Fractions. . . . . . . . . . . . . . . . . . . . . 31 16 Adding and Subtracting Fractions with Like Denominators. . . . . . . 34 17 Adding and Subtracting Fractions with Unlike Denominators . . . . . 36 18 Adding and Subtracting Fractions. . . . . . . . . . . . . . . . . . . . . . . . . . 38 19 Adding and Subtracting Mixed Numbers. . . . . . . . . . . . . . . . . . . . . 40 20 Multiplying Fractions and Mixed Numbers. . . . . . . . . . . . . . . . . . . . 42 21 Dividing Fractions and Mixed Numbers. . . . . . . . . . . . . . . . . . . . . . 44 22 Operations with Fractions and Mixed Numbers. . . . . . . . . . . . . . . . 46 23 Adding Integers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 24 Subtracting Integers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 25 Adding and Subtracting Integers. . . . . . . . . . . . . . . . . . . . . . . . . . . 52 26 Multiplying Integers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 27 Dividing Integers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 28 Multiplying and Dividing Integers. . . . . . . . . . . . . . . . . . . . . . . . . . . 58 29 Identifying Properties. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 30 Using Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 31 Measurement: The Customary System. . . . . . . . . . . . . . . . . . . . . . 64 32 Measurement: The Metric System. . . . . . . . . . . . . . . . . . . . . . . . . . 67 33 Perimeter and Area of Rectangles . . . . . . . . . . . . . . . . . . . . . . . . . 70 34 Graphing Points on a Coordinate Plane . . . . . . . . . . . . . . . . . . . . . 73 35 Displaying Data on Graphs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 iii NAME ________________________________________DATE ______________PERIOD _____ 1 Math Skills Maintenance Using Order of Operations with Powers Find the value of each expression. 1. 52 (cid:1) 8 (cid:2) 6 2. 122 ÷ 6 (cid:1) (3 (cid:1) 5) 3. 33 (cid:1) 2 (cid:1) 64 ÷ 42 4. 9 (cid:1) 7 (cid:2) (7 (cid:3) 8 (cid:4) 2)2 5. (72 (cid:1) 1) (cid:4) 5 (cid:1) 13 6. 100 (cid:3) 23 (cid:1) 8 (cid:1) 7 1 l l i k S 7. (100 (cid:3) 23 (cid:1) 8) (cid:1) 7 8. 2[52 (cid:3) (8 (cid:1) 4) (cid:4) 3] 9. (22 (cid:1) 3)(32 (cid:1) 2) 10. (22 (cid:1) 3) (cid:1) (32 (cid:1) 2) 11. 72 (cid:1) 8 (cid:4) 7 (cid:1) 4 12. 99 (cid:3) 42 (cid:1) 3 (cid:4) 2 13. 82 (cid:4) 43 (cid:1) 1 14. 92 (cid:4) (7 (cid:1) 2)2 (cid:1) 50 15. (102 (cid:4) 52) (cid:1) 25 16. (1 (cid:1) 2)3 (cid:1) (2 (cid:1) 3)2 17. (2 (cid:1) 52) (cid:4) (32) 18. 33 (cid:1) 1 (cid:1) 15 (cid:4) 5 19. 72 (cid:3) 6 (cid:1) 2 (cid:4) 3 20. 47 (cid:3) 7 (cid:1) 5 (cid:1) 24 21. 62 (cid:3) 3 (cid:1) 4 (cid:1) (23 (cid:1) 1) ©Glencoe/McGraw-Hill 1 Math Skills Maintenance, Course 3 NAME ________________________________________DATE ______________PERIOD _____ 1 Math Skills Maintenance Using Order of Operations with Powers Find the value of each expression. 1. 23 (cid:1) 9 (cid:2) 5 2. 102 (cid:4) 4 (cid:1) (4 (cid:1) 6) 3. 42 (cid:1) 3 (cid:1) 63 (cid:4) 32 4. 11 (cid:1) 9 (cid:2) (10 (cid:3) 9 (cid:4) 3)2 5. (52 (cid:1) 1) (cid:4) 2 (cid:1) 26 6. 80 (cid:3) 33 (cid:1) 6 (cid:1) 7 7. (80 (cid:3) 33 (cid:1) 6) (cid:1) 7 8. 5[82 (cid:3) (10 (cid:1) 5) (cid:4) 3] 9. (42 (cid:1) 5)(52 (cid:1) 4) 10. (62 (cid:1) 5) (cid:1) (52 (cid:1) 6) 11. 92 (cid:1) 2 (cid:4) 9 (cid:1) 15 12. 75 (cid:3) 52 (cid:1) 2 (cid:4) 5 13. 102 (cid:4) 52 (cid:1) 60 14. 122 (cid:4) (4 (cid:1) 2)2 (cid:1) 100 15. (82 (cid:4) 42) (cid:1) 30 16. (1 (cid:1) 1)3 (cid:1) (1 (cid:1) 1)2 17. (32 (cid:1) 52) (cid:4) (17) 18. 45 (cid:1) 2 (cid:1) 14 (cid:4) 7 19. 92 (cid:3) 8 (cid:1) 3 (cid:4) 4 20. 88 (cid:3) 6 (cid:1) 2 (cid:1) 32 21. 52 (cid:3) 2 (cid:1) 3 (cid:1) (42 (cid:1) 2) ©Glencoe/McGraw-Hill 2 Math Skills Maintenance, Course 3 NAME ________________________________________DATE ______________PERIOD _____ 2 Math Skills Maintenance Divisibility Patterns Determine whether each given number is divisible by 2, 3, 4, 5, 6, 9, or 10. 1. 12 2. 40 3. 94 4. 156 5. 275 6. 418 2 l l i k S 7. 690 8. 813 9. 997 10. 1,400 11. 1,358 12. 2,115 13. 4,990 14. 5,783 15. 10,556 ©Glencoe/McGraw-Hill 3 Math Skills Maintenance, Course 3 NAME ________________________________________DATE ______________PERIOD _____ 2 Math Skills Maintenance Divisibility Patterns Determine whether each given number is divisible by 2, 3, 4, 5, 6, 9, or 10. 1. 18 2. 60 3. 92 4. 168 5. 425 6. 499 7. 678 8. 825 9. 962 10. 1,600 11. 1,855 12. 2,337 13. 4,448 14. 6,950 15. 12,261 ©Glencoe/McGraw-Hill 4 Math Skills Maintenance, Course 3 NAME ________________________________________DATE ______________PERIOD _____ 3 Math Skills Maintenance Prime Factorization Determine whether each number is prime, composite, or neither. 1. 31 2. 44 3. 66 4. 67 5. 73 6. 113 7. 158 8. 247 9. 416 3 l l i k S 10. 643 11. 885 12. 957 13. 1,424 14. 1,883 15. 2,223 ©Glencoe/McGraw-Hill 5 Math Skills Maintenance, Course 3 NAME ________________________________________DATE ______________PERIOD _____ 3 Math Skills Maintenance Prime Factorization Determine whether each number is prime, composite, or neither. 1. 41 2. 54 3. 63 4. 71 5. 79 6. 117 7. 159 8. 361 9. 424 10. 681 11. 895 12. 991 13. 1,532 14. 1,951 15. 2,667 ©Glencoe/McGraw-Hill 6 Math Skills Maintenance, Course 3