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Lesson 4.3NameBreak Apart Addends asTens and OnesEssential Question How do you break apartaddends to add tens and then add ones?Number and Operationsin Base Ten—2.NBT.B.5MATHEMATICAL PRACTICESMP1, MP6, MP8ListenListen andand DrawDrawWrite the number. Then write the number astens plus ones.— — Houghton Mifflin Harcourt Publishing Company— —— —FOR THE TEACHER Direct children’s attentionto the orange box. Have children write 25 insidethe large rectangle. Then ask children to write25 as tens plus ones. Repeat the activity for 36 and 42.Chapter 4MathTalkMATHEMATICAL PRACTICES 1What is the value of the6 in the number 63?Explain how you know.two hundred fourty-nine249
ModelModel andand DrawDrawBreak apart the addends into tens and ones.Add the tens and add the ones.Then find the total sum.27 4820 740 86015— — —SharehhowShare andand ShowSh60 1510 570 5 —MATHMBOARDBBreak apart the addends to find the sum.35 54—2.——250— — —— —— ————56 38 —— ————43 293.—— — —— —— —————two hundred fifty — — Houghton Mifflin Harcourt Publishing Company1.
NameOnOn YourYour OwnOwnBreak apart the addends to find the sum.4.14 23—5.37 45——— ————— — —— —— —————6. — — —DEEPERChris read 15 pages ofhis book. Tony read 4 more pagesthan Chris. How many pagesdid Chris and Tony read? Houghton Mifflin Harcourt Publishing Company— pages7.SMARTERJulie read 18 pagesof her book in the morning.She read the same numberof pages in the afternoon.How many pages didshe read?— pagesChapter 4 Lesson 3two hundred fifty-one251
MATHEMATICAL PRACTICES COMMUNICAK G IJ M I CFEJKIL:K 8I LD EKJMathOqnakdl Rnkuhmf @ookhb shnmrOqnakdl Rnkuhmf @ookhb shnmrWrite or draw to explain.8.MATHEMATICALPRACTICE1Make Sense ofProblems Len has 35 baseballcards. The rest of his cardsare basketball cards. Hehas 58 cards in all.How many basketballcards does he have?— basketball cards9.MATHEMATICALPRACTICE1Evaluate Tomásmás has17 pencils. He buys 26 morerepencils. How many pencilss doesTomás have now?— pencilsPersonal Math TrainerSMARTERSasha used 38 red stickersand 22 blue stickers. Show how you canbreak apart the addends to find howmany stickers Sasha used.38 22—— — —————— — — stickersTAKE HOME ACTIVITY Write 32 48 on a sheet of paper.Have your child break apart the numbers and find the sum.252two hundred fifty-two Houghton Mifflin Harcourt Publishing Company10.
Practice and HomeworkNameLesson 4.3Break Apart Addends asTens and OnesCOMMON CORE STANDARD—2.NBT.B.6Use place value understanding and properties ofoperations to add and subtract.Break apart the addends to find the sum.181. 212.33 49—1——1——1— 5——1——1——1—5—ProblemProblem SolvingSolvingChoose a way to solve.Write or draw to explain.3. Christopher has 28 baseball cards. Houghton Mifflin Harcourt Publishing CompanyJustin has 18 baseball cards. Howmany baseball cards do theyhave together?4.— baseball cardsMathExplain how to break apart the addendsto find the sum of 25 16.Chapter 4two hundred fifty-three253
Lesson Check(2.NBT.B.6)1. What is the sum?2. What is the sum?1713527112Spiral Review(2.OA.B.2, 2.NBT.A.1, 2.NBT.A.3, 2.NBT.B.6)3. What is the value of theunderlined digit?4. What number has the samevalue as 12 tens?255. Ally has 7 connecting cubes.Greg has 4 connecting cubes.How many connecting cubesdo they have?cubes2546. Juan painted a picture of atree. First he painted 15 leaves.Then he painted 23 moreleaves. How many leaves didhe paint?leavesFOR MORE PRACTICEGO TO THEtwo hundred fifty-fourPersonal Math Trainer Houghton Mifflin Harcourt Publishing Company
Sep 01, 2016 · Math Explain how to break apart the addends to find the sum of 25 16. Choose a way to solve. Write or draw to explain. 3. Christopher has 28 baseball cards. Justin has 18 baseball cards. How many baseball cards do they have together? — baseball cards COMMON CORE STANDARD—
