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Problems include forms like “? + 812 = 865” and “? - 55 = 773”, as well as rearranged statements where the missing number appears on either side of the equals sign. An answer key is provided with the computed missing values for problems 1 through 20.",{"@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-find-the-missing-value/463501/",{"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-find-the-missing-value/463501.png","ImageObject",300,407,{"name":92,"@type":93},"Himbo","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-14","2026-09-30",true,{"@type":102,"interactionType":103,"userInteractionCount":34},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What task do you perform on this worksheet?","Question",{"text":112,"@type":113},"Find the missing value in each equation that mixes addition (+) and subtraction (-).","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How do the problems show the missing number?",{"text":117,"@type":113},"The missing value is marked with “?” in equations such as “? + 812 = 865” or “? - 55 = 773”.",{"name":119,"@type":110,"acceptedAnswer":120},"Is an answer key included?",{"text":121,"@type":113},"Yes. The document provides the missing values for problems 1 through 20.","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},463501,1790818397,{"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":34,"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":143,"read_time":39},687197100911,"https://ap-avatar.wpscdn.com/avatar/a000239b6f1da00475?x-image-process=image/resize,m_fixed,w_180,h_180&k=1785132997149421697","Solving Mixed Problems (+ -)  \nName:  \nFind the missing value in each of the problems.  \n1) ? + 812 = 865  \n2) 788 + ? = 878  \n3) ? -55 = 773  \n4) ? = 50 + 939  \n5) ? -606 = 386  \n6) 419 = 993- ?  \n7) 357 + ? = 392  \n8) 938 = ? + 197  \n9) 220 + ? = 876  \n1.  \n2.  \n3.  \n4.  \n5.  \n6.  \n7.  \n8.  \nAnswers  \n10) 885 = 433 + ?  \n11) 1000 = 977 + ?  \n12) ? -213 = 684  \n13) ? -142 = 619  \n14) ? -107 = 850  \n15) 711 = ? -234  \n16) ? = 876-309  \n17) ? = 172 + 691  \n18) 90 = 508- ?  \n19) 938 = ? + 47  \n20) ? = 603 + 359  \n9.  \n10.  \n11.  \n12.  \n13.  \n14.  \n15.  \n16.  \n17.  \n18.  \n19.  \n20.  \nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n1  \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) ? + 812 = 865 | Answers\u003Cbr>1. 53 |\n| --- | --- |\n| 2) 788 + ? = 878 | 2. 90 |\n| 3) ? -55 = 773 | 3. 828 |\n| 4) ? = 50 + 939 | 4. 989 |\n| 5) ? -606 = 386 | 5.  992  |\n| 6) 419 = 993- ? | 6. 574 |\n| 7) 357 + ? = 392 | 7. 35 |\n| 8) 938 = ? + 197 | 8. 741 |\n| 9) 220 + ? = 876 | 9. 656 |\n| 10) 885 = 433 + ? | 10. 452 |\n| 11) 1000 = 977 + ? | 11. 23 |\n| 12) ? -213 = 684 | 12. 897 |\n| 13) ? -142 = 619 |  |\n| 14) ? -107 = 850 | 13.  761  |\n| 15) 711 = ? -234 | 14.  957  |\n| 16) ? = 876-309 | 15.  945  |\n| 17) ? = 172 + 691 | 16.  567  |\n| 18) 90 = 508- ? | 17.  863  |\n| 19) 938 = ? + 47 | 18.  418  |\n| 20) ? = 603 + 359 | 19.  891  20. 962 |\n\nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n1  \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.  \n992  \n35  \n53  \n1) ? + 812 = 865  \n2) 788 + ? = 878  \n3) ? -55 = 773  \n4) ? = 50 + 939  \n5) ? -606 = 386  \n6) 419 = 993- ?  \n7) 357 + ? = 392  \n8) 938 = ? + 197  \n9) 220 + ? = 876  \n10) 885 = 433 + ?  \n11) 1000 = 977 + ?  \n12) ? -213 = 684  \n452  \n656  \n90  \n989  \n897  \n741  \n23  \n828  \n574  \nAnswers  \n1.  \n2.  \n3.  \n4.  \n5.  \n6.  \n7.  \n8.  \n9.  \n10.  \n11.  \n12.  \nMath  \nModified  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n1  \n1-10 92  \n11-12 8  \n83  \n0  \n75 67 58 50 42 33 25 17","cbCaimLiVN8rl9oI","https://ap.wps.com/l/cbCaimLiVN8rl9oI","pdf",44086,"English","# Find the missing value in each problem\n## Problems 1-9\n## Problems 10-20\n## Answers","[{\"question\":\"What task do you perform on this worksheet?\",\"answer\":\"Find the missing value in each equation that mixes addition (+) and subtraction (-).\"},{\"question\":\"How do the problems show the missing number?\",\"answer\":\"The missing value is marked with “?” in equations such as “? + 812 = 865” or “? - 55 = 773”.\"},{\"question\":\"Is an answer key included?\",\"answer\":\"Yes. The document provides the missing values for problems 1 through 20.\"}]","Solving Mixed Problems (+ -) - Find the missing value | PDF",1790766676]