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The worksheet presents problems using placeholders for an unknown number with expressions such as “? -82 = 304,” “? + 513 = 770,” and “818-462 = ?.” An accompanying answer key lists the completed results for each item from 1 through 20, covering both positive and negative intermediate forms.",{"@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-465571/465571/",{"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-465571/465571.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 math problems are included in this worksheet?","Question",{"text":112,"@type":113},"The worksheet requires finding missing values in mixed addition and subtraction equations with a placeholder “?” in each problem.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How many equations are there to solve?",{"text":117,"@type":113},"There are 20 equations to solve, labeled 1 through 20.",{"name":119,"@type":110,"acceptedAnswer":120},"Where can the solutions be found?",{"text":121,"@type":113},"The solutions are provided in the “Answer Key” section, listing the completed values for each problem from 1 to 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},465571,1790769775,{"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) ? -82 = 304  \n2) ? + 513 = 770  \n3) 452 + 214 = ?  \n4) 757 + 143 = ?  \n5) 614 = ? -106  \n6) 961- ? = 925  \n7) 993 = ? + 543  \n8) 37 = ? -855  \n9) 818-462 = ?  \n1.  \n2.  \n3.  \n4.  \n5.  \n6.  \n7.  \n8.  \nAnswers  \n10) ? = 866 + 130  \n11) 621 + ? = 785  \n12) 16 + 80 = ?  \n13) 601- ? = 499  \n14) 714 = 971- ?  \n15) ? = 860-216  \n16) 993 = 546 + ?  \n17) 909 = ? + 234  \n18) 908 = 230 + ?  \n19) ? = 299 + 283  \n20) 639- ? = 492  \n9.  \n10.  \n11.  \n12.  \n13.  \n14.  \n15.  \n16.  \n17.  \n18.  \n19.  \n20.  \nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n9  \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) ? -82 = 304 | Answers\u003Cbr>1. 386 |\n| --- | --- |\n| 2) ? + 513 = 770 | 2. 257 |\n| 3) 452 + 214 = ? | 3. 666 |\n| 4) 757 + 143 = ? | 4. 900 |\n| 5) 614 = ? -106 | 5.  720  |\n| 6) 961- ? = 925 | 6. 36 |\n| 7) 993 = ? + 543 | 7. 450 |\n| 8) 37 = ? -855 | 8. 892 |\n| 9) 818-462 = ? | 9. 356 |\n| 10) ? = 866 + 130 | 10. 996 |\n| 11) 621 + ? = 785 | 11. 164 |\n| 12) 16 + 80 = ? | 12. 96 |\n| 13) 601- ? = 499 |  |\n| 14) 714 = 971- ? | 13.  102  |\n| 15) ? = 860-216 | 14.  257  |\n| 16) 993 = 546 + ? | 15.  644  |\n| 17) 909 = ? + 234 | 16.  447  |\n| 18) 908 = 230 + ? | 17.  675  |\n| 19) ? = 299 + 283 | 18.  678  |\n| 20) 639- ? = 492 | 19.  582  20. 147 |\n\nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n9  \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.  \n386  \n892  \n900  \n1) ? -82 = 304  \n2) ? + 513 = 770  \n3) 452 + 214 = ?  \n4) 757 + 143 = ?  \n5) 614 = ? -106  \n6) 961- ? = 925  \n7) 993 = ? + 543  \n8) 37 = ? -855  \n9) 818-462 = ?  \n10) ? = 866 + 130  \n11) 621 + ? = 785  \n12) 16 + 80 = ?  \n36  \n450  \n96  \n356  \n164  \n257  \n996  \n720  \n666  \nAnswers  \n1.  \n2.  \n3.  \n4.  \n5.  \n6.  \n7.  \n8.  \n9.  \n10.  \n11.  \n12.  \nMath  \nModified  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n9  \n1-10 92  \n11-12 8  \n83  \n0  \n75 67 58 50 42 33 25 17","cbCaihfiSdiiar3s","https://ap.wps.com/l/cbCaihfiSdiiar3s","pdf",44046,"English","# Find the missing value in each of the problems\n## Problems 1-20\n## Answers","[{\"question\":\"What type of math problems are included in this worksheet?\",\"answer\":\"The worksheet requires finding missing values in mixed addition and subtraction equations with a placeholder “?” in each problem.\"},{\"question\":\"How many equations are there to solve?\",\"answer\":\"There are 20 equations to solve, labeled 1 through 20.\"},{\"question\":\"Where can the solutions be found?\",\"answer\":\"The solutions are provided in the “Answer Key” section, listing the completed values for each problem from 1 to 20.\"}]","Solving Mixed Problems (+ -) - Answer Key | PDF"]