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Problems include forms like a+b=? , a=b-? , and ?=c+d or c=?-d, covering items 1 through 20. The provided answers list the computed missing numbers for each equation, enabling quick checking of student work and supporting step-by-step review of basic integer arithmetic.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/solving-mixed-problems-answer-key-465558/465558/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/solving-mixed-problems-answer-key-465558/465558.png","ImageObject",300,407,{"name":92,"@type":93},"Ivy","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-09-30",true,{"@type":102,"interactionType":103,"userInteractionCount":81},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What type of questions are on this worksheet?","Question",{"text":112,"@type":113},"Each question asks for a missing number in an addition or subtraction equation, such as 437 + 129 = ? or 569 = 820 - ?.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How are the answers organized?",{"text":117,"@type":113},"The answer key lists the computed missing values for problems 1 through 20 in order.",{"name":119,"@type":110,"acceptedAnswer":120},"How can this answer key be used?",{"text":121,"@type":113},"Compare a student’s filled-in missing values against the corresponding entries in the answer list to check correctness and guide review.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},465558,1790769765,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":81,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":81,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":129,"read_time":39},549758252649,"https://ap-avatar.wpscdn.com/avatar/8000253669c5317157?_k=1778319167496531819","Solving Mixed Problems (+ -)  \nName:  \nFind the missing value in each of the problems.  \n1) 437 + 129 = ?  \n2) 569 = 820- ?  \n3) ? = 981 + 19  \n4) 958 = 947 + ?  \n5) ? = 587-113  \n6) ? = 893-291  \n7) ? = 939-643  \n8) ? = 219 + 354  \n9) 550 = ? + 77  \n1.  \n2.  \n3.  \n4.  \n5.  \n6.  \n7.  \n8.  \nAnswers  \n10) ? = 365 + 290  \n11) ? = 757 + 173  \n12) 62 = ? -241  \n13) 346 + ? = 789  \n14) ? = 972-189  \n15) 946 = ? -34  \n16) 253 = 763- ?  \n17) ? -48 = 539  \n18) ? = 745 + 38  \n19) 153 + ? = 997  \n20) 674 = ? + 632  \n9.  \n10.  \n11.  \n12.  \n13.  \n14.  \n15.  \n16.  \n17.  \n18.  \n19.  \n20.  \nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n3  \n1-10 11-20  \n95  \n45  \n90  \n40  \n85  \n35  \n80  \n30  \n75  \n25  \n70  \n20  \n65  \n15  \n60  \n10  \n55  \n5  \n50  \n0  \nSolving Mixed Problems (+ -)  \nName: Answer Key  \n\n| Find the missing value in each of the problems.\u003Cbr>1) 437 + 129 = ? |  | Answers\u003Cbr>1. 566 |\n| --- | --- | --- |\n| 2) 569 = 820- ? |  | 2. 251 |\n| 3) | ? = 981 + 19 | 3. 1000 |\n| 4) | 958 = 947 + ? | 4. 11 |\n| 5) | ? = 587-113 | 5.  474  |\n| 6) | ? = 893-291 | 6. 602 |\n| 7) | ? = 939-643 | 7. 296 |\n| 8) | ? = 219 + 354 | 8. 573 |\n| 9) | 550 = ? + 77 | 9. 473 |\n| 10) | ? = 365 + 290 | 10. 655 |\n| 11) | ? = 757 + 173 | 11. 930 |\n| 12) | 62 = ? -241 | 12. 303 |\n| 13) | 346 + ? = 789 |  |\n| 14) | ? = 972-189 | 13.  443  |\n| 15) | 946 = ? -34 | 14.  783  |\n| 16) | 253 = 763- ? | 15.  980  |\n| 17) | ? -48 = 539 | 16.  510  |\n| 18) | ? = 745 + 38 | 17.  587  |\n| 19) | 153 + ? = 997 | 18.  783  |\n| 20) | 674 = ? + 632 | 19.  844  20. 42 |\n\nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n3  \n1-10 11-20  \n95  \n45  \n90  \n40  \n85  \n35  \n80  \n30  \n75  \n25  \n70  \n20  \n65  \n15  \n60  \n10  \n55  \n5  \n50  \n0  \nSolving Mixed Problems (+ -)  \nName:  \nFind the missing value in each of the problems.  \n930 655 474 573 11  \n296 566 602 251 1000  \n473 303  \n1) 437 + 129 = ?  \n2) 569 = 820- ?  \n3) ? = 981 + 19  \n4) 958 = 947 + ?  \n5) ? = 587-113  \n6) ? = 893-291  \n7) ? = 939-643  \n8) ? = 219 + 354  \n9) 550 = ? + 77  \n10) ? = 365 + 290  \n11) ? = 757 + 173  \n12) 62 = ? -241  \nAnswers  \n1.  \n2.  \n3.  \n4.  \n5.  \n6.  \n7.  \n8.  \n9.  \n10.  \n11.  \n12.  \nMath  \nModified  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n3  \n1-10 92  \n11-12 8  \n83  \n0  \n75 67 58 50 42 33 25 17","cbCaitYT87yYoKSD","https://ap.wps.com/l/cbCaitYT87yYoKSD","pdf",44088,"English","# Find the missing value in each of the problems\n## Problems 1-12\n## Problems 13-20","[{\"question\":\"What type of questions are on this worksheet?\",\"answer\":\"Each question asks for a missing number in an addition or subtraction equation, such as 437 + 129 = ? or 569 = 820 - ?.\"},{\"question\":\"How are the answers organized?\",\"answer\":\"The answer key lists the computed missing values for problems 1 through 20 in order.\"},{\"question\":\"How can this answer key be used?\",\"answer\":\"Compare a student’s filled-in missing values against the corresponding entries in the answer list to check correctness and guide review.\"}]","Solving Mixed Problems (+ -) - Answer Key | PDF"]