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carsondellosa.com/spectrumFocused Practice for Math Mastery • Adding and subtracting to four-digit numbers• Multiplying and dividing • Fractions• Perimeter and area• Graphs and line plots • Answer keyGRADE3®Math
MathGrade 3Published by Spectrum®an imprint of Carson-Dellosa PublishingGreensboro, NC
Spectrum®An imprint of Carson-Dellosa Publishing LLCP.O. Box 35665Greensboro, NC 27425 USA© 2015 Carson-Dellosa Publishing LLC. Except as permitted under the United States Copyright Act, no part of this publication may be reproduced, stored, or distributed in any form or by any means (mechanically, electronical-ly, recording, etc.) without the prior written consent of Carson-Dellosa Publishing LLC. Spectrum is an imprint of ®Carson-Dellosa Publishing LLC.ISBN 978-1-4838-1401-8
Table of Contents Grade 3Chapter 1 Adding and Subtracting 1- and 2-Digit Numbers (with renaming)Chapter 1 Pretest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5Lessons 1–10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7–16Chapter 1 Posttest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17Chapter 2 Adding and Subtracting 2 and 3-Digit Numbers (with renaming)Chapter 2 Pretest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19Lessons 1–7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21–34Chapter 2 Posttest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35Chapter 3 Adding and Subtracting to 4-Digit Numbers (with renaming)Chapter 3 Pretest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37Lessons 1–7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39–52Chapter 3 Posttest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53Chapters 1–3 Mid-Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55Chapter 4 MultiplicationChapter 4 Pretest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59Lessons 1–9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61–70Chapter 4 Posttest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71Chapter 5 DivisionChapter 5 Pretest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73Lessons 1–7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75–85Chapter 5 Posttest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .863
Chapter 6 FractionsChapter 6 Pretest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88Lessons 1–6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90–96Chapter 6 Posttest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97Chapter 7 MeasurementChapter 7 Pretest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99Lessons 1–9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101–114Chapter 7 Posttest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115Chapter 8 TimeChapter 8 Pretest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117Lessons 1–2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118–120Chapter 8 Posttest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .121Chapter 9 GeometryChapter 9 Pretest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .122Lessons 1–4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123–126Chapter 9 Posttest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127Chapter 10 Preparing for AlgebraChapter 10 Pretest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .128Lessons 1–2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130–134Chapter 10 Posttest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135Chapters 1–10 Final Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137Scoring Record for Posttests, Mid-Test, and Final Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . .143Grade 3 Answers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .144–1594Table of Contents, continued
CHAPTER 1 PRETESTCheck What You KnowNAME5Spectrum Math Check What You KnowGrade 3 Chapter 1Add .Adding and Subtracting 1- and 2-Digit Numbers (with renaming)abcde 2 3 1 91 1 7 51 3 7 4 21 1 1 7 51 8 1 911. 1 6 31 8 3 1 11 4 3 1 41 2 2 5 91 6 4 612. 3 0 2 31 7 2 51 9 3 61 1 8 2 51 9 3 213. 1 3 8 61 7 5 3 1 61 1 3 3 3 71 4 0 5 1 21 1 5 2 7 4 614.Subtract .abcde 9 0 1 02 1 6 92 2 3 1 82 2 7 72 1 9 1 125. 5 7 1 62 8 4 2 32 1 6 1 12 2 5 52 6 2 1 926. 9 7 5 82 4 6 2 32 8 1 2 72 4 8 1 32 7 4 927. 3 2 2 42 7 3 1 22 6 5 3 02 7 0 2 02 2 3 828.
SHOW YOUR WORKSHOW YOUR WORKCHAPTER 1 PRETESTNAME6Spectrum Math Check What You KnowGrade 3 Chapter 1Solve each problem . 9. The florist has 63 roses and carnations . If she has 27 roses, how many carnations does she have?The florist has roses and carnations .She has roses .The florist has carnations .10. Bly has 43 pennies, 13 dimes, and 16 nickels . How many coins does she have in all?Bly has pennies .She has dimes .She has nickels .Bly has coins in all .11. There are 36 students in Cleveland’s class this year . If 22 are girls, how many boys are in Cleveland’s class?There are students in Cleveland’s class .There are girls in his class .There are boys in his class .12. The store has 53 cases of apples and oranges in the storeroom . If there are 28 cases of apples, how many cases of oranges are there in the storeroom?There are cases of oranges in the storeroom .10.11.12.9.Check What You KnowAdding and Subtracting 1- and 2-Digit Numbers (with renaming)
Lesson 1.1 Adding through 20NAME7Spectrum Math Chapter 1, Lesson 1Grade 3 Adding and Subtracting 1- and 2-Digit Numbers (with renaming)Add .abcdef 2 31 5 7 91 2 51 1 71 0 31 9 511. 7 21 3 31 9 01 6 51 0 71 8 512. 4 31 2 91 7 71 5 61 5 91 0 613. 0 01 8 31 8 61 6 11 5 31 4 814. 5 21 3 11 2 41 8 21 8 81 3 615. 1 0 1 01 6 91 9 91 5 716. 31 8 1 1addendaddendsumFind the -row .3Find the -column .8The sum is named where the 3-row and the 8-column meet .00 +1234567890123456789123456789 102345678910113456789 10 11 124567891011121356789 10 11 12 13 146789 10 11 12 13 14 15789 10 11 12 13 14 15 1689 10 11 12 13 14 15 16 17910111213141516171823456789189103456789 10AddendAddend8-column3-row 1 5 01 1 3 71
Lesson 1.2 Subtracting through 20NAME8Spectrum Math Chapter 1, Lesson 2Grade 3 Adding and Subtracting 1- and 2-Digit Numbers (with renaming)Subtract .abcdef 7 22 5 6 02 5 42 1 12 6 1 6 92 1 3 821. 6 32 9 62 5 22 8 02 1 8 92 9 722. 7 22 3 02 8 22 7 42 1 0 32 9 223. 3 22 1 32 5 1 3 824. 1 22 5 6 42 1 02 1 22 3 1 0 62 1 1 525. 3 12 9 12 5 12 8 72 1 4 826. 1 22 7 5minuendsubtrahenddifferenceFind the 12 inthe -column .7The difference is the number at the end of the row .00 –12345678901234567891234567891023456789 10 113456789 10 11 12456789 10 11 12 1356789 10 11 12 13 146789 10 11 12 13 14 15789 10 11 12 13 14 15 1689 10 11 12 13 14 15 16 1791011121314151617182345678911078956789 10 11117-column 1 42 3 1 92 3 1 72 4 2 02 3
Lesson 1.3 Adding 2-Digit Numbers (no renaming)NAMEAdd .abcdef 2 3 1 61 3 9 2 0 1 01 1 6 1 21 7 3 1 51 6 3 1 311. 1 1 2 21 1 0 1 71 1 3 1 41 3 2 5 11 8 1 1 11 3 4 2 112. 1 8 3 01 1 4 1 21 4 1 1 81 3 0 5 01 2 7 5 01 2 2 2 213. 3 4 1 31 1 8 4 11 1 2 4 41 3 1 1 71 2 7 4 21 3 1 3 814. 1 3 4 21 1 3 1 41 2 3 4 21 2 2 7 11 3 7 6 01 3 5 2 315. 1 5 4 31 1 0 4 31 7 3 2 01 8 6 1 31 5 2 1 31 4 2 2 61 3 2 4 516.9Spectrum Math Chapter 1, Lesson 3Grade 3 Adding and Subtracting 1- and 2-Digit Numbers (with renaming) 4 3 2 21 4 3 2 21 5 4 3 2 21 6 5addendaddendsum 2 2 1 61 3 8addendaddendsumFirst, add the ones .Then, add the tens .First, add the ones .Then, add the tens .
Lesson 1.4 Subtracting 2-Digit Numbers (no renaming)NAME10Spectrum Math Chapter 1, Lesson 4Grade 3 Adding and Subtracting 1- and 2-Digit Numbers (with renaming)Subtract .abcdef 2 3 1 221 1 9 3 7 12 3 0 1 02 9 2 1 12 4 8 1 621. 8 6 2 22 6 2 1 02 6 5 4 42 5 4 1 22 3 7 2 52 8 8 3 222. 8 3 1 32 8 6 4 52 8 9 6 22 7 5 6 22 8 8 4 42 9 0 6 023. 9 2 7 02 8 2 4 12 3 5 2 32 6 5 4 32 8 1 6 02 4 2 3 024. 5 7 3 62 6 0 3 02 9 2 8 12 8 6 3 22 5 7 3 62 2 9 1 325. 4 6 2 52 2 5 1 52 2 8 1 22 3 6 1 32 4 6 1 52 7 5 1 42 6 4 2 326. 3 6 2 32 3 6 2 32 3 3 6 2 32 1 3minuendsubtrahenddifferenceFirst, subtract the ones .Then, subtract the tens .
11NAME11Spectrum Math Chapter 1, Lesson 5Grade 3 Adding and Subtracting 1- and 2-Digit Numbers (with renaming)Lesson 1.5 Adding 2-Digit Numbers (with renaming)Add .abcdef 2 3 1 81 4 1 1 3 7 71 3 6 1 61 1 9 6 21 2 9 1 911. 7 6 1 51 2 7 3 61 3 6 2 81 3 0 5 01 5 6 2 71 5 9 1 312. 5 2 3 91 5 4 2 71 2 8 1 71 1 3 1 91 3 9 1 71 5 6 1 413. 5 3 2 81 6 2 1 91 2 6 5 51 1 8 1 31 7 2 1 81 3 7 1 714. 2 7 1 81 2 3 5 71 2 5 1 61 3 8 1 41 2 6 2 81 7 6 1 515. 2 9 1 61 2 9 1 71 3 4 2 71 4 3 2 71 2 5 2 61 4 8 1 21 4 5 4 616. 3 7 2 511 3 7 2 51 6 2addendaddendsumAdd the tens . 71 5 1 2 or 10 211 3 7 2 51 2Add the ones .Rename 12 as 10 2 .1
NAME12Spectrum Math Chapter 1, Lesson 6Grade 3 Adding and Subtracting 1- and 2-Digit Numbers (with renaming)Lesson 1.6 Subtracting 2-Digit Numbers (with renaming)Subtract .abcdef 3 0 2 22 8 5 3 2 82 4 1 2 72 9 2 5 62 8 6 2 721. 2 2 1 92 8 3 6 62 5 1 1 72 3 4 1 52 4 6 2 92 5 7 3 822. 6 2 5 62 7 2 3 72 6 4 1 82 8 6 5 72 4 1 1 62 5 3 2 923. 8 2 6 72 2 4 1 72 8 6 2 72 9 3 2 62 5 2 1 72 4 7 2 824. 6 0 2 02 8 6 3 82 4 2 1 92 9 6 3 92 6 3 2 72 8 7 6 825. 4 5 1 82 5 3 1 72 9 2 4 52 8 6 1 82 7 2 1 72 6 3 4 52 5 2 1 326. 5 2 1 92minuendsubtrahenddifferenceSubtract the ones . Rename 52 as “4 tens and 12 ones .”4 12 5 2 1 92 3Subtract the ones .4 12 5 2 1 92 3 3Subtract the tens .4 12 5 2 1 92
13NAME13Spectrum Math Chapter 1, Lesson 7Grade 3 Adding and Subtracting 1- and 2-Digit Numbers (with renaming)Lesson 1.7 Adding Three NumbersAdd .abcdef 1 3 2 6 4 51 8 4 1 6 2 3 2 51 2 7 7 3 41 6 1 3 2 91 1 0 3 0 5 011. 7 2 9 5 61 2 2 3 1 4 51 2 9 1 6 1 51 1 3 1 5 2 51 4 2 2 1 81 2 6 2 3 3 512. 1 9 2 1 3 21 1 1 3 0 4 21 4 7 81 3 4 1 6 4 11 1 6 2 3 3 51 2 9 3 1 2 513. 2 7 1 6 91 8 2 5 91 8 6 5 21 1 8 3 2 1 61 4 6 2 9 1 61 5 3 2 1 1 514. 3 3 4 7 1 21 6 6 2 1 81 2 2 4 1 2 81 2 3 1 5 1 71 1 8 1 6 2 41 2 3 3 5 1 715. 4 7 1 3 81 2 3 4 7 1 611 2 3 4 7 1 61 8 6addendaddendaddendsumAdd the tens . 3 7 61 1 01 6 1 6 or 10 611 2 3 4 7 1 61 6Add the ones .
Lesson 1.8 Addition and Subtraction PracticeNAME14Spectrum Math Chapter 1, Lesson 8Grade 3 Adding and Subtracting 1- and 2-Digit Numbers (with renaming)Add or subtract .abcdef 8 2 1 92 1 6 7 1 31 7 6 3 02 7 6 2 11 2 3 1 02 1 6 3 511. 1 6 1 3 2 31 7 6 4 32 9 2 7 92 3 0 1 32 2 0 5 01 8 7 4 522. 7 2 31 7 9 81 1 8 1 2 4 21 9 6 1 72 2 6 5 81 1 6 823. 4 3 2 92 1 6 71 8 6 3 92 7 7 1 61 8 6 1 92 8 2 4 224. 0 3 01 4 1 2 22 1 8 5 31 9 91 5 7 4 32 1 8 4 2 1 315. 8 1 7 92 8 6 1 31 9 2 3 62 3 7 2 42 8 6 516. 2 7 3 41
15Spectrum Math Chapter 1, Lesson 9Grade 3 Adding and Subtracting 1- and 2-Digit Numbers (with renaming)SHOW YOUR WORKSHOW YOUR WORKSolve each problem .1. Philip has 52 marbles . His friend, Edgar, has 39 marbles . How many marbles do they have in all?Philip has marbles .Edgar has marbles .They have marbles in all .2. Susan has 3 cats . George has 23 fish . Maria has 2 birds . How many pets do they have together?Susan has cats .George has fish .Maria has birds .Together they have pets .3. Mr . Williams’ third-grade class has 27 students . Mrs . Nakagawa’s third-grade class has 31 students . How many third-grade students are there?Mr . Williams has students .Mrs . Nakagawa has students .Together, there are students .4 . There are 36 adults and 17 children at the movie theater . How many people are at the movie theater?There are people at the movie theater .5. Kyle has 77 baseball trading cards . If Omar gives Kyle 13 baseball trading cards, how many trading cards will Kyle have?Kyle will have baseball trading cards .2.3.4.1.NAMELesson 1.9 Problem Solving5.
NAME16Spectrum Math Chapter 1, Lesson 10Grade 3 Adding and Subtracting 1- and 2-Digit Numbers (with renaming)SHOW YOUR WORKSHOW YOUR WORK2.3.4. 5.1.Solve each problem .1. Mrs . Lopez has 32 rose bushes in her garden . If 14 are not blooming, how many are blooming?Mrs . Lopez has rose bushes in her garden .There are bushes that are not blooming .There are bushes that are blooming .2. Tamika has 15 cousins . If 11 of her cousins are girls, how many of her cousins are boys?Tamika has cousins .She has cousins who are girls .Tamika has cousins who are boys .3. There are 76 seats on the plane . There are 62 passengers on the plane . How many empty seats are on the plane?There are seats on the plane .There are passengers .There are empty seats on the plane .4. There are 56 books on the bookshelf . If 39 are not mystery books, how many are mystery books?There are mystery books on the bookshelf .5. My book has 38 pages in it . If there are 12 pages that have pictures, how many pages do not have pictures?There are pages in the book that do not have pictures .Lesson 1.10 Problem Solving