[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-465555-105":59,"doc-detail-465555-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","solving-mixed-problems-answer-key-465555","Solving Mixed Problems (+ -) - Answer Key","","Solving Mixed Problems (+ -) provides a set of arithmetic equations where each problem includes a missing value represented by “?”. Learners compute the unknown number using mixed operations of addition and subtraction across 20 items, then verify results against the provided answer key. The worksheet format supports classroom practice and self-checking for accuracy, helping students strengthen skills in solving single-step equations with unknowns.",{"@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-465555/465555/",{"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-465555/465555.png","ImageObject",300,407,{"name":92,"@type":93},"Ivy","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-31","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},"How do you find the missing value in each equation?","Question",{"text":112,"@type":113},"Use inverse operations. For an equation like “? + 623 = 812”, subtract 623 from 812 to get the missing value.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What kinds of operations are included in these problems?",{"text":117,"@type":113},"The worksheet uses addition and subtraction mixed together, with the unknown number replacing “?” in each equation.",{"name":119,"@type":110,"acceptedAnswer":120},"Is there an answer key for checking results?",{"text":121,"@type":113},"Yes. An “Answer Key” lists the correct solutions 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},465555,1790769763,{"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) ? + 623 = 812  \n2) 138 = 525- ?  \n3) 935- ? = 901  \n4) ? -270 = 623  \n5) ? = 609-369  \n6) 753-255 = ?  \n7) ? = 730 + 28  \n8) 908-649 = ?  \n9) 924 + ? = 951  \n1.  \n2.  \n3.  \n4.  \n5.  \n6.  \n7.  \n8.  \nAnswers  \n10) 813 = ? -145  \n11) 986 = 943 + ?  \n12) 974-315 = ?  \n13) 389 + ? = 869  \n14) ? -145 = 1  \n15) 855 = ? + 616  \n16) 444 + 429 = ?  \n17) ? = 997 + 1  \n18) ? = 516-114  \n19) ? = 740-353  \n20) 726-723 = ?  \n9.  \n10.  \n11.  \n12.  \n13.  \n14.  \n15.  \n16.  \n17.  \n18.  \n19.  \n20.  \nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n2  \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) ? + 623 = 812 | Answers\u003Cbr>1. 189 |\n| --- | --- |\n| 2) 138 = 525- ? | 2. 387 |\n| 3) 935- ? = 901 | 3. 34 |\n| 4) ? -270 = 623 | 4. 893 |\n| 5) ? = 609-369 | 5.  240  |\n| 6) 753-255 = ? | 6. 498 |\n| 7) ? = 730 + 28 | 7. 758 |\n| 8) 908-649 = ? | 8. 259 |\n| 9) 924 + ? = 951 | 9. 27 |\n| 10) 813 = ? -145 | 10. 958 |\n| 11) 986 = 943 + ? | 11. 43 |\n| 12) 974-315 = ? | 12. 659 |\n| 13) 389 + ? = 869 |  |\n| 14) ? -145 = 1 | 13.  480  |\n| 15) 855 = ? + 616 | 14.  146  |\n| 16) 444 + 429 = ? | 15.  239  |\n| 17) ? = 997 + 1 | 16.  873  |\n| 18) ? = 516-114 | 17.  998  |\n| 19) ? = 740-353 | 18.  402  |\n| 20) 726-723 = ? | 19.  387  20. 3 |\n\nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n2  \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.  \n659  \n893  \n958  \n1) ? + 623 = 812  \n2) 138 = 525- ?  \n3) 935- ? = 901  \n4) ? -270 = 623  \n5) ? = 609-369  \n6) 753-255 = ?  \n7) ? = 730 + 28  \n8) 908-649 = ?  \n9) 924 + ? = 951  \n10) 813 = ? -145  \n11) 986 = 943 + ?  \n12) 974-315 = ?  \n240  \n758  \n27  \n34  \n387  \n259  \n189  \n43  \n498  \nAnswers  \n1.  \n2.  \n3.  \n4.  \n5.  \n6.  \n7.  \n8.  \n9.  \n10.  \n11.  \n12.  \nMath  \nModified  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n2  \n1-10 92  \n11-12 8  \n83  \n0  \n75 67 58 50 42 33 25 17","cbCaioqbhsqgJTjs","https://ap.wps.com/l/cbCaioqbhsqgJTjs","pdf",44084,"English","# Find the missing value in each of the problems\n## Problems 1-10\n## Problems 11-20\n## Answers","[{\"question\":\"How do you find the missing value in each equation?\",\"answer\":\"Use inverse operations. For an equation like “? + 623 = 812”, subtract 623 from 812 to get the missing value.\"},{\"question\":\"What kinds of operations are included in these problems?\",\"answer\":\"The worksheet uses addition and subtraction mixed together, with the unknown number replacing “?” in each equation.\"},{\"question\":\"Is there an answer key for checking results?\",\"answer\":\"Yes. An “Answer Key” lists the correct solutions for problems 1 through 20.\"}]","Solving Mixed Problems (+ -) - Answer Key | PDF"]