(Gor Th Meira Comeanie, nc. : Homework Helper i The numbers |5, | 1, and 4 make up the } numbers in a fact family. ' 11+4=15 I5-1l=4 | Yt 11 = 15 I5—4=11 Need help? <7 connectED.megraw-hillcom Practice Complete each fact family. A--- == 2. + + 3. + = + — =Complete the fact family. 4. ( 5. Marcus counts 24 children playing. 11 of the children are boys. How many girls are playing? girls 6. There are 49 second graders. 26 of them are in Miss Johnson’s class. How many students are in Mrs. Stewart's class? students 7. Which number sentence does not belong in the fact family for the numbers 7, 18, and 25? 18+7=25 18-25=7 oO O 7+ 18=25 Ceb-z€® Teo ctiemetCormparion, ne, hoki mmgen Math at Home Have your child write the fact family for the numbers 22, 13, and 36. Chapter 4 * Lesson |Coppin © The Mctraw-Fill Companies, Inc. kL ?, Take Apart Tens to Subtract » Homework Helper Need help? <7 connectED.megraw-hillcom ] “To find 48 —15, take apart a number to make a ten. _ Then subtract. 48-15 Helpful Hint Take apart |5 as 10 5 10 and 5. 48 — 10=38 38 — 5=33 — So, 48 — 15 = 33. weston ant aa ee Practice Take apart a number to make a ten. Then subtract. 1, 54-13 2. 35-14 Sy 35 So, 54 — 13 = 7 So, 35 — 14 = Chapter4 + Lesson2 2833. There are 87 insects in a jar. Someone leaves the lid off and some crawl away. There are 54 insects left in the jar. How many crawled away? insects 4. Emily has 25 onions and 14 peppers that she grew in her garden. How many more onions does she have than peppers? onions 5. There were 25 days of rain in April. It rained 16 days in May. If there are 6! days total in April and May, how many days did it not rain? days 6. How would you take apart |4 to solve 28 — 14? | 7 and 7 12 and 2 ! i O O i i 10 and 4 20 and 8 i oe 3 | vas hehe Courgonio, tc: tthe tcl Cogent (oSestchrnctoos/Gey InOgH® f& Math at Home Have your child take apart 16 10 make a ten to find 87 — 16. “| 234 Chapter 4 * Lesson 2See Thane Compares, ce SEX ee) Lesson 3 ) Regroup a Ten - | as Ones Homework Helper Need help? ¢J connecteD.megraw-hill.com | Find 35-7. | Step 1 Step 2 Step 3 i Show 35. Subtract the ones. There Subtract 7 ones. © are not enough ones to subtract. Regroup. _ 3 fens 5 ones 2 tens 15 ones 2 tens 8 ones If there are not enough ones to subtract, regroup | ten as 10 ones. Practice Regroup the tens. Draw the ones. Cross out cubes to show subtraction. Write the answer. Chapter 4 » Lesson 3 239Regroup the fens. Draw the ones. Cross out cubes to show subtraction. Write the answer. 5. There are 42 icicles. 9 of them melt. How many icicles are left? lil : icicles ® 6. 31 people are at the skating rink. 8 people go home. How many people are left at the skating rink? lil os people Math at Home Have your child use pennies to show you how to . subtract 6 from 25. 240 Chapter 4 * Lesson 3SELeeerieen ) Subtract From a a Two-Digit Number » Homework Helper Find 38-9. f Step | Can you subtract ones? | Step 2 Regroup | ten as 10 ones. _ Step 3 Subtract the ones. _ Step 4 Subtract the tens. sat ( Boece woe = snare, ne tt SO en tts omnel Practice Subtract. I. 2. 3. | LIL It 2/6 417 6/2 - 9 = 6 = 5 LT | i 4 uy Oo * Oo * oo 7 816 9 8 6 ! | Chapter 4 * Lesson 4 245ia | | Subtract. 10. There are 27 children playing outside. 7 children go inside. How many are left? children Il. There are 55 mice in the barn. A cat chases 9 of them away. How many mice are left? Test Practice 12. Find the difference. 43-9 = ‘Math at Home Ask your child to show you how to subtract 8 from 27 by regrouping. 246 Chapter 4 * Lesson 4aoe) [ wssons | Subtract Two- | Digit Numbers | seston is * gt ge tee » Homework Helper 1 & sree Yeigs — Find 48-19. f Step 1 Can you subtract ones? ; Step 2 Regroup | ten as 10 ones. - Step 3 Subtract the ones. _ Step 4 Subtract the tens. | Practice Chapter 4 * Lesson 5 253 Subtract. ; I. 2 3. { fic) 6 | 3 4) 7 2/;4 ' -|2/5 -| 1/7 -| 1/6 i | | - : 5. 6. i | oO LO 2 6/8 5 | 3 5 | 8 4 3 —3|7 - 2/4 -2|9 7Subtract. 54 ~ 45 91 — 59 . 83 people were at the water park. 29 people left. How many people were left at the water park? f 14. 25 people brought dogs fo the picnic. 18 of them were large dogs. How many small dogs were at the picnic? On £ : i 2 2 , ines) Math at Home Ask your child to show you how to subtract 24 from 41. Chapter 4 * Lesson 5or © Te MoGrawComarig, e. » Homework Helper ((E3} neca help? =JconnectED.megraw-hill.com _ Rewrite to subtract 82 — 49. 7 ; When you subtract, } . < always put the larger |= number on top. ‘ 3/3 Practice Rewrite the problems. Subtract. I. 74 — 25 2. 60 — 37 3. 86-48 4. 45 — 28 5. 84 — 38 6. 37-18 Chapter 4 * Lesson 6Rewrite the problems. Subtract. 7. 72-37 8. 27-18 9. 68—39 10. 45 birds are flying. 17 birds land on the water. How many birds are still flying? 1. Mark the answer that shows how to rewrite and solve 83 — 46. 316 Mb —83 37 in your lives. Have them solve it "260 Chopter'4 « Lesson 6 2 he ebro ilConganes nc. Dark Gates GrapPuncStock 05,TERM - Homework Helper oa Need help? =] connectED.megraw-hillcom You can check the answer to a subtraction problem. Check 37 — 15 = 22. : i Subtract Check by Adding { 37. Add these 22 If this is the i — 15 numbers to + 15 number you check. .___Subtracted from, 22 37 you are correct. erin ee wat a Nn cM Sn MEET cae Practice Subtract. Check by adding. 1 67 2. 52 = 48 to = 36 + g i » 3. 80 4 9 : — 68 + — 45 + 0 Chapter4 + Lesson7 265.Solve. Check by adding. 5. There are 46 girls skating. There are 67 boys skating. How many more boys than girls are skating? 6. Molly checks out 2! books from the library. She returns 12. How many books does Molly still have? books 7. Reid kicked the football 20 times. He missed a field goal 6 times. How many times did he make a field goal? times 8. Mrs. Levine is 83 years old. Mrs. Smith is 67 years old. =| | How many years older is Mrs. Levine than Mrs. Smith? i i 16 years 20 years 26 years 17 years i s O O O O | Math at Home Ask your child to find 43 — 16. Then have your child show you how to check the answer. | 266 Chapter 4 * Lesson 7Problem Solving: Write a Number Tara and her dad are baking bread for a bake sale. They make 34 loaves of bread. || loaves were sold. How many loaves are left? PERO” WI TEN OTA TAREE TA Re E 1 Understand Underline what you know. @ Circl@what you need to find. Plan How will I solve the problem? g 3 Solve Iwill write a number sentence. 34 — 11 = 23 loaves uy Check. Is my answer reasonable? Ge “‘eOThetArawtl Campanian Pls ary ages eee emeeconem ny ich ete ese Chapter 4 * Lesson 8Practice PRACTICE Write a number sentence fo solve. oO 1. Emma has 31 ribbons for her hair. She loses 12 ribbons. How many does she have left? _ O_O ribbons 2. Mason’s soccer team has 24 games this season. He has already played 18 games. How many games are left? _ O_O games 3. There are 18 ducks in the pond. 11 ducks get out of the pond. How many are still in the pond? _ O__O Test Practice 4. Karen took a walk on the beach and counted 25 sandcastles. On the way back she counted again but some were gone. There were only |6 left. How many had disappeared while she walked? i 9 19 41 ducks ee, Psat es é Math at Home Ask your child to subtract 52 — 17. Then have your child show you how to check the answer. "| 272 Chapter 4 Lesson 8“Thticra tt Comes, oo _ the evening? Practice Solve each two-step word problem. I. Homework Helper Need help? =] connectED.megraw-hill.com _ Katie’s Coffee Shop Sells 84 cups of cocoa 8u 6| ~ are sold in the morning. - 35 cups are sold in ~ 23 ~ 35 _ the afternoon. How | Problems on Saturday. 23 cups many cups are sold in 6| 26 Helptul Hint Some problems need to be worked in two steps. 56 dogs are at the dog park. 14 dogs go home. 15 dogs come to the park. How many dogs are at the dog park now? dogs . The animal shelter has 33 cats. 9 cats are adopted on Friday. 12 cats are adopted on Saturday. How many cats are left at the animal shelter? cats Chapter 4 * Lesson 9 277Solve each two-step word problem. 3. Mr. Henry’s class has 24 students. 3 students are absent today. 4 students are late to school. How many students were on time? students 4. Abigail has 42 erasers. She gives 18 to Avery. She gives 15 to Mackenzie. How many erasers does Abigail have left? erasers BFF 5. 15 children got on the bus. 6 children got off of the bus. 8 more children got on the bus. How many children are on the bus now? children 6. Caleb had 89 race cars. He lost 23 of them. He gave I4 to his friend. How many race cars does Caleb have left? 75 66 52 51 O O O O } Math at Home Create a two-step word problem for your child to solve. Have him or her show you how to solve it. | 278 — Chopter'4 + Lesson 9Name __ — os PRACTICE es = CTICE Fluency Practice Subtract. 1 16 2. 26 3.13 —3 = -8 415 5. 12 6 19 =? =1. =5§ 7 4 8 12 2 14 4 =$ =8 lo. 19 il. 18 12 17 a a =3 3.19 me 15 15.17 -! -5 -4 | Online Content at J connectED.megraw-hill.com Chapter4 = 279Fluency Practice } Subtract. I. 13 2« 13 3. 18 6 x7 -8 4. 15 5. 17 6 4 =a = =i 7. 20 8. 16 9. I -9 —7 -— 10 10. 12 i 18 12. 12 =% =7 =i 13. 16 14. 13 15. 19 -2 -3 -7 280 Chapter 4 £106 Te Mr 8 Compara, ne.