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HANDS ONNameLesson 8.1Measure with Inch ModelsEssential Question How can you use inch models tomeasure length?ListenListen andand DrawDrawHandsOnMeasurement and Data—2.MD.A.1MATHEMATICAL PRACTICESMP2, MP5, MP6, MP8Use color tiles to measure the length.— color tiles— color tiles Houghton Mifflin Harcourt Publishing Company— color tilesMathTalkHOME CONNECTION Your child used color tilesas an introduction to measurement of length beforeusing standard measurement tools.Chapter 81MATHEMATICAL PRACTICES 6Attend to PrecisionDescribe how to usecolor tiles to measurethe length of an object.five hundred forty-one541
ModelModel andand DrawDrawA color tile is about 1 inch long.About how many inches long is this string?Count the color tiles tofind how many incheslong the string is.The string is 4 color tiles long.4 inches long.So, the string is about —SharehhowShare andand ShowShMATHMBOARDBUse color tiles. Measure the length of the object in inches.1.about — inches2.about — inchesabout — inches4.about — inches542five hundred forty-two Houghton Mifflin Harcourt Publishing Company3.
NameOnOn YourYour OwnOwnUse color tiles. Measure the length of the object in inches.5.about — inches6.about — inches7.about — inches8.about — inches Houghton Mifflin Harcourt Publishing Company9.about — inches10.Blue paper chains are 4 inches long.Red paper chains are 3 inches long. How manyare needed to have 10 inches of paper chains?DEEPER— blue paper chainChapter 8 Lesson 1— red paper chainsfive hundred forty-three543
MATHEMATICAL PRACTICES DF; C I 8JFE D8B J EJ Oqnakdl Rnkuhmf @ookhb shnmrOqnakdl Rnkuhmf @ookhb shnmr11.MathSMARTERBlue paper chainsare 8 inches long. Red paperchains are 6 inches long.How many are needed to have22 inches of paper chains?— blue paper chains— red paper chain12.MATHEMATICALPRACTICE2Use Reasoning Liza has aribbon that is 12 inches long. She needs tocut it into pieces that are each 4 inches long.How many pieces can she make?— piecesPersonal Math TrainerSMARTERJeremy used color tiles tomeasure a string. Each tile is 1 inch long.How long is the string? Circle the numberin the box to make the sentence true.The string is aboutTAKE HOME ACTIVITY Have your child use several of the samesmall item (such as paper clips) to measure the lengths of someobjects at home.544five hundred forty-four234inches long. Houghton Mifflin Harcourt Publishing Company13.
Practice and HomeworkNameMeasure with Inch ModelsLesson 8.1COMMON CORE STANDARD—2.MD.A.1Measure and estimate lengths in standard units.Use color tiles. Measure the length of theobject in inches.1.about — inches2.about — inches3.about — inchesProblemProblem SolvingSolving4. Look around your classroom. Houghton Mifflin Harcourt Publishing CompanyFind an object that is about 4 inches long.Draw and label the object.5.MathDescribe how you wouldfind an object that is about 8 inches long.Chapter 8five hundred forty-five545
Lesson Check(2.MD.A.1)1. Jessie used color tiles to measure the rope.Each color tile measures 1 inch. The rope isabout — inches long.Spiral Review(2.NBT.B.5, 2.MD.C.7, 2.MD.C.8)2. Adam has these coins. How much money is this?time does this clock show?11 12 1210934857 6—546:4. Hank has 84 marbles in a bag.His friend Mario has 71 marblesin his bag. How many marblesdo they have altogether? Houghton Mifflin Harcourt Publishing Company3. Look at the clock hands. What84 71]]—FOR MORE PRACTICEGO TO THEfive hundred forty-sixPersonal Math Trainer
SMARTER Blue paper chains are 8 inches long. Red paper chains are 6 inches long. How many are needed to have 22 inches of paper chains? 12. MATHEMATICAL PRACTICE 2 Use Reasoning Liza has a ribbon that is 12 inches long. She needs to cut it into pieces that are each 4 inches long. How many pieces can she make? pieces — blue paper chains .
