Strategies for Solving Word Problems: Tips and Techniques

Name_AﬂM Kq | Date l!‘d. Z Olivia and Jake both solved the word problems. Strategies: Write the strategy used under their work. Check their work. If incorrect, solve correctly. " Take from 10 If solved correctly, solve using a different strategy. x::‘e,r 10(:‘ = T justknew 1. A fruit bowl had 13 apples. Mike ate 6 apples from the fruit bowl. How many apples were left? , C\' Olivia's work 1hm Jake's work ~ 13-6= 1 = \3 03 3 000 2f008) =ty a. smfegwlgk_e_-&nm_lb b. Strategy: Make a 10 1H-le=" "g\ 2 LQ nY m - 'fs ©6666—00000Q 000 c. Explain your strategy choice below. C on TokKe £vom O ourt Lesson 21: Share and critique peer solution strategies for take from with result EUREKA unknown and take apart with addend unknown word problems from 101 ATH the teens. © 2014 Common Core, Inc. All rights reserved. commoncore.org

2. Drew has 17 baseball cards ina box. He has 8 cards with Red Sox players, and the rest are Yankee players. How many Yankee player cards does Drew have in his box? Olivia's work O o000 OO 17-§= A a. Strategy: 13“@ 'Ffm ‘D Jake's work T correct 9 ¢ 9909 I7k8:25 OO0 OOOOD OO0 DO b. Strategy: [Q&Se E!Q!! \O 17- %= 9 N 10-8=1% 07 2+7=9 c. Explain your strategy choice below. Toke trom 10. Lesson 21: Share and critique peer solution strategies for take from with result Eu REKA unknown and take apart with addend unknown word problems from M ATH" the teens. © 2014 Common Core, Inc. Al rlights reserved. commoncore.org 102

g 1-2 Name A“S w fi! K c¥ Date l!‘Qd . 2- Read the word problem. Strategies: Draw and label. Write a number sentence and a statement that matches the story. = Take from 10 = Make 10 Remember to draw a box around your solution in the number * Counton = | just knew sentence. J 1. Michael and Anastasia pick 14 flowers for their mom. Michael picks 6 flowers. How many flowers does Anastasia pick? (00000 _gpo0O 0000) A M — Anastasia picked o I 3 +flowers. 2. Dagquan bought 6 toy cars. He also bought some magazines. He bought 15 items in all. How many magazines did Daquan buy? (c0000D] 000000000 Daguan C M boug + A 0+ [a] =15 magazines. 3. Henry and Millie baked 18 cookies. Nine of the cookies were chocola're chip. The rest were oatmeal. How many were oatmeal? (coooo oooéfi 0000 0001 9 of the Ch. O cook‘es were oat- 9 \€ __meal. and relate counting on to the take from ten strategy. EUREKA MATH © 2014 Common Core, Inc. All rights reserved, commoncore.org 106

Your preview ends here

Eager to read complete document? Join bartleby learn and gain access to the full version

Access to all documents
Unlimited textbook solutions
24/7 expert homework help

4. Felix made 8 birthday invitations with hearts. He made the rest with stars. He made 17 invitations in all. How many invitations had stars? [0©660000OODDOODOO OO - h S S + E:W q of the invitations were strars. 5. Ben and Migue! are having a bowling contest. Ben wins 9 times. They play 17 games inall. There are no tied games. How many times does Miguel win? [0000000go00 00 00O _ 5 oA q+ [8]- 17 Migue\ winS § 3ames. 6. Kenzie went to soccer practice 16 days this month. Only 9 of her practices were on a school day. How many times did she practice on a weekend? [ooococooo ogboooocO S wW a+ [i]= 16 7 of the rac:hccs Were on +he WwWeekena. 9. R PR R I R I R I R I R EUREKA Lesson 22: Solve put together/take apart with addend unknown word problems 107 M ATH... and relate counting on to the take from ten strategy. © 2014 Common Core, Inc. Alt rights reserved. commoncore.org

Name AllfiWQI Kfi¥ Date Mgd. 2— Read the word probiem. Draw and label. Write a number sentence and a statement that matches the story. 1. Micah collected 9 pinecones on Friday and some more on Saturday. Micah collected a total of 14 pinecones. How many pinecones did Micah collect on Saturday? (C00000000) 00000 = S a+ Bl =4 o m-9=[5] Micah collected 5 pinecones on__Saturday. 2. Giana bought 8 star stickers to add to her collection. Now, she has 17 stickers in all. How many stickers did Giana have at first? @ooow? oooc?Fooooo &____/ 1 [+ Q=17 7-g=[1 Giana had "I stickers at 'F\(S“' Lesson 23: Solve add to with change unknown problems, relating varied addition 110 and subtraction strategies EUREKA MATH © 2014 Common Core, |nc. Al rights reserved. commoncore.org

3. Samil counted 5 pigeons on the street. Some more pigeons came. There were 13 pigeons in all. How many pigeons came? 13 sr[@-13 o 13-5:[8 8 pigeons came. 4, Claire had some eggs in the fridge. She bought 12 more eggs. Now, she has 18 eggs in all. How many eggs did Claire have in the fridge at first? ( , 000000 &02‘20 08‘0000 Ca>+ st 12 ‘otal Q+riz=8 o 18-127 (el Claire had b €995 at first. EUREKA Lesson 23: Solve add to with change unknown problems, relating varied addltion 111 M l TH... and subtraction strategies © 2014 Cormimon Core, Inc. All rights reserved. commoncore.org

Your preview ends here

Eager to read complete document? Join bartleby learn and gain access to the full version

Access to all documents
Unlimited textbook solutions
24/7 expert homework help

Name A' IS!!&. KB# - DGTGM Read the word problem. Draw and label. Write a number sentence and a statement that matches the story. 1. Toby dropped 12 crayons on the classroom floor. Toby picked up 9 crayons. Marnie picked up the rest. How many crayons did Marnie pick up? 000000 0 Oglo OO M = 12-9:=3] o a+Bl=12Z" Marnie picked up 3 crayonS. 2 Of the students on the playground, 7 went back into the classroom. If 11 students stayed outside, how many were on the playground at first? 00000000000 . went back o first l\-7=m or 1+ ] =1\ o -— | Students were on +he playground ot first EUREKA MATH © 2014 Common Core, Inc. All rights reserved. COMMONCOre.org Lesson 24: Strategize to solve take from with change unknown problems. 114

3. At the play, 8 students from Mr. Frank's room got a seat. If there were 17 children from Room 24, how many children did not get a seat? E)ooooooq{ocoo 0000 S no seat g+ [l =17 or 1 -%=[al A children did not get a seot 4. Simone had 12 bagels. She shared some with friends. Now, she has 9 bagels left. How many did she share with friends? 000000000 o000 e ShaTC a+ Bl=1z 12— A =[3] Simone shared 3 baae\s. EUREKA Lesson 24: Strategize to solve take from with change unknown problems. 115

Name AI‘SM!C! Kﬂ* Date M_Qd. 2' 1. Circle "true" or "false.” quation a. 2+3=5+1 b. 7+9=6+10 Tue)/ False c. 11-8=12-9 True)/ False d. 15-4=14-5 True / e. 18-6=2+10 @/ False f. 15-8=2+5 True)/ False 2. Lola and Charlie are using expression cards to make true number sentences. Use pictures and words to show who is right. a. Lola picked 4 + 8, and Charlie picked 9 + 3. Lola says these expressions are equal, but Charlie disagrees. Who is right? Explain your thinking. Lola is correct. A o+ 2= |2 "——'._::,::a,;:,};llf?ifil LT :':,:?'E:—’?Z':':—::"::" B TR i L D ' o 't wz =,—: l z """" EMUARTEHK_A Lesson 25: Z::it:agl:::ta:x(:; xlsgli\; :Sn.derstanding of the equal sign to solve 2.C.47 © 2014 Commeon Core, Inc. All rights reserved. commaoncore.org

Your preview ends here

Eager to read complete document? Join bartleby learn and gain access to the full version

Access to all documents
Unlimited textbook solutions
24/7 expert homework help

b. Charlie picked 11 - 4, and Lola picked 6 + 1. Charlie says these expressions are not equal, but Lola disagrees. Who is right? Use a picture fo explain your mnis. (Olnarlie 1S Wrong. \\-‘-\:C—I @+ | =1 10V ¥lz?? 1="1 c. Lola picked 9 + 7, and Charlie picked 15 - 8. Lola says these expressions are equal but Charlie disagrees. Who is right? Use a picture to explain your thinking. O,harhe 1S q+7 1= 1S - 8= _ Cignt. © 0000 I L 105 2+85=7 “° o 10+ L=l @ £71 | 3. The following addition number sentences are FALSE. Change one number in each problem to make a TRUE number sentence, and rewrite the number sentence. o 10:5-9.5 _10% S= q +lo b. 10+3=8+4 | |0+Z: %*q Q+3:= S+4 c. 9+3=8+5 EUREKA Lesson 25: Strategize and apply understanding of the equal sign to solve 119 M l THr- equwalent expressions. © 2014 Common Core, Inc. All rights reserved. commoncore.org

Name AI !s !!CI |§C¥ Date I!kﬂ* . 2- Circle ten. Write the number. How many tens and ones? L is the same as is the same as ______ 0 1 ten : o l fen and Z ones l ten and 3 ones \g __l_‘ren and _z_ones. l ones and J_Ten. EUREKA Lesson 26: Identify 1 ten as a unit by renaming representations of 10. ® 2014 Common Core, Inc All rights reserved. commoncore.org 126

6. . ~ . “, :‘ti% ) " ' ten and 2. ones / \L ten and é_ones S Draw your own examples using 5-groups columns to show the tens and ones. 7. 16 16 is the same as __L’ren and b ohes. o0600 O 8. 19 19 is the same as . _‘_ ones and _3_ ten. Lesson 26: Identify 1 ten as a unit by renaming representations of 10. EUREKA MATH ® 2014 Common Core, Inc. All rights reserved. commoncore.org 127

Your preview ends here

Eager to read complete document? Join bartleby learn and gain access to the full version

Access to all documents
Unlimited textbook solutions
24/7 expert homework help

Nare Amu_Ke,\.\ sare_Mod, Solve the problems. Write the answers to show how many tens and ones. If there is only one ten, cross off the "s.” ____________ ............ O tens and I ones _“rens and q ones 5 6 13 + 5 - E"i"":;:?:'é 17_ = i“""’i:::::'é 19 49 __L_ fens and B _ ones Q tens and q ones Lesson 27: Solve addition and subtraction problems decomposing and composing EMUART!H.. teen numbers as 1 ten and some ones 131 © 2014 Common Core, Inc. All rights reserved. commoncore.org

Read the word problem. Draw and label. Write a number sentence and statement that matches the story. Rewrite your answer to show its tens and ones. 7. Mike has some red cars and 8 blue cars. If Mike has 9 red cars, how many cars does he have in all? ?+ q - l-' Blue + Cv::é = Total Caxcs I tens and l ones 8. Yani and Han had 14 golf balls. They lost some balls. They had 8 golf balls left. How many balls did they lose? 4-%=0 + Total — Now wrany Were \eft= 'I'SDQS\\; _O_ tens and _(g__ ones 9. Nick rides his bike for 6 miles over the weekend. He rides 14 miles during the week. How many total miles does Nick ride? (@ +14= 20 wi\es vniles _Z__Tens and _Qones EUREKA Lesson 27: Solve addition and subtraction problems decomposing and composing 132 M ATH.. teen numbers as 1 ten and some ones © 2014 Common Core, Inc All rights reserved. commoncore.org

Name Q r e Date _MOA. 2 9+1=10 ------------ mmmmmmmmooe| 1042212 ______ . 9+7-= ”ibi 2 8+5H= ‘3 Solve. Write the two number sentences for each step to show how you make a ten. 3. Boris has 9 board games on his shelf and 8 board games in his closet. How many board games does Boris have altogether? AT 10. K 17 4, Sabra built a tower with 8 blocks. Yuri put together another tower with 7 blocks. How many blocks did they use? 8t7=15 e+2: /06 105 = 1S EUREKA Lesson 28: Solve addition problems using ten as a unit, and write two-step solutions. 137 © 2014 Common Core, Inc. All rights reserved. commoncore.org

Your preview ends here

Eager to read complete document? Join bartleby learn and gain access to the full version

Access to all documents
Unlimited textbook solutions
24/7 expert homework help

5. Camden solved 6 addition word problems. She also solved 9 subtraction word problems. How many word problems did she solve altogether? - qQ+l=1lo btA=I§ 16+5: 15 6. Minna made 4 bracelets and 8 necklaces with her beads. How many pieces of Jjewelry did Minna make? , T+2=10 11812 Jo+2 =2 7. I put 5 peaches into my bag at the farmer's market. If I already had 7 apples in my bag, how many pieces of fruit did I have in all? ~N 4 €\ L 16 /12 S+7:=)2 /ot 2 " Solve addition problems using ten as a unit, and write two-step MATH.. solutions. © 2014 Cormon Core, Inc. All rights reserved. commeoncore.org 138

we _Ansuee Ken owre_Module T Solve the problems. Write your answers to show how many tens and | i----i. ...... ones. 2 0.7 -3 9 3..19 o A o ~J Solve. Write the two number sentences for each step to show how you take from ten. Remember to put a box around your solution and write a statement. 3. Yvette counted 12 kids at the park. She counted 3 on the playground and the rest playing in the sand. How many kids did she count playing in the sand? 2 3.9 0-3-1 4.2.9 + 4. Eli read some science magazines. Then, he read 9 sports magazines. If he read 18 magazines altogether, how many science magazines did Eli read? - L] \ + x I Lesson 29: Solve subtraction problems using ten as a unit, and write two-step solutions 141 EUREKA MATH ® 2014 Common Core, Inc. All rights reserved. commoncore.org

5. On Monday, Paulina checked out 6 whale books and some turtle books from the library. If she checked out 13 books in all, how many turtle books did Paulina check out? 1%-027 Y . 3.7 6. Some children are at the park playing soccer. Seven are wearing white shirts. If there are 14 children playing soccer in all, how many children are not wearing white shirts? 10 -7 M-1=7 3 Y 3 - 7. Dante has 9 stuffed animals in his room. The rest of his stuffed animals are in the TV room. Dante has 15 stuffed animals. How many of Dante's stuffed animals are in the TV room? m— ] ﬂ_ 5-9= 6 I 1 .5 (o EUREKA Lesson 29: Solve subtraction problems using ten as a unit, and write o two-step solutions MATH © 2014 Common Core, Inc. All rights reserved. commoncore.org 142

Your preview ends here

Eager to read complete document? Join bartleby learn and gain access to the full version

Access to all documents
Unlimited textbook solutions
24/7 expert homework help

module_2_answer_key_pages_21-29

Related Documents