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Each problem requires the student to perform two-digit addition, reinforcing fundamental arithmetic skills through consistent practice. The content serves as a valuable resource for educators and students to verify accuracy and track progress in mastering basic addition techniques involving multiples of ten and other two-digit numbers.",{"@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/adding-multiples-of-ten-answer-key/463916/",{"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/adding-multiples-of-ten-answer-key/463916.png","ImageObject",300,407,{"name":92,"@type":93},"Patrick","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-03","2026-09-30",true,{"@type":102,"interactionType":103,"userInteractionCount":29},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the answer to problem number 1?","Question",{"text":112,"@type":113},"The answer to 50 + 31 is 81.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What is the answer to problem number 10?",{"text":117,"@type":113},"The answer to 30 + 60 is 90.",{"name":119,"@type":110,"acceptedAnswer":120},"What is the answer to problem number 20?",{"text":121,"@type":113},"The answer to 45 + 20 is 65.","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},463916,1790767367,{"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":29,"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},549758146520,"https://ap-avatar.wpscdn.com/avatar/80002397d8c0411e94?_k=1775819394049821470","Adding Multiples of Ten  \nName: Answer Key  \n\n| Solve each problem. |  |  |  |  |  |  |  |  |  |  |  | Answers\u003Cbr>1.  81 \u003Cbr>2.  89  |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 1) 5 0 + 3 1 \u003Cbr>8 1 |  | 2) 2 9 + 6 0 \u003Cbr>8 9 | 3) 2 6 + 3 0 \u003Cbr>5 6 |  | 4) 7 0 + 1 8 \u003Cbr>8 8 |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 5)\u003Cbr>9) | 1 4\u003Cbr>+ 3 0 \u003Cbr>4 4\u003Cbr>7 0 + 3 0 | 6) 5 0 7)+ 2 7 \u003Cbr>7 7\u003Cbr>10) 3 0 11)+ 6 0 |  | 1 7\u003Cbr>+ 4 0 \u003Cbr>5 7\u003Cbr>1 0\u003Cbr>+ 3 9 |  | 8)\u003Cbr>12) | 8 0\u003Cbr>+ 1 7 \u003Cbr>9 7\u003Cbr>2 0\u003Cbr>+ 5 6 |  |  |  |  | 3.  56  4.  88  5.  44  6.  77  7.  57  8.  97 \u003Cbr>9.  100  |  |  |  |  |  |  |\n| 13) | 1 0 0\u003Cbr>3 3\u003Cbr>+ 3 0 | 9 0\u003Cbr>14) 5 0 15)+ 2 1 |  | 4 9\u003Cbr>1 5 + 5 0 |  | 16) | 7 6\u003Cbr>5 0 + 1 6 |  |  |  |  | 10.  90  11.  49  12.  76 \u003Cbr>13.  63  |  |  |  |  |  |  |\n| 17) | 6 3\u003Cbr>2 8\u003Cbr>+ 7 0  | 7 1\u003Cbr>18) 2 0 19)+ 3 4  |  | 6 5\u003Cbr>2 5\u003Cbr>+ 1 0  |  | 20) | 6 6\u003Cbr>4 5\u003Cbr>+ 2 0  |  |  |  |  | 14.  71  15.  65  16.  66 \u003Cbr>17.  98  |  |  |  |  |  |  |\n|  | 9 8 | 5 4 |  | 3 5 |  |  | 6 5 |  |  |  |  | 18.  54  19.  35 \u003Cbr>20. 65 |  |  |  |  |  |  |\n|  | Math | [www.CommonCoreSheets.co](www.CommonCoreSheets.co) |  | m | 10 |  | 1-10\u003Cbr>11-20 | 95 | 90 | 85 | 80 |  | 75 | 70 | 65 | 60 | 55 | 50 |\n|  |  |  |  |  |  |  |  | 45 | 40 | 35 | 30 |  | 25 | 20 | 15 | 10 | 5 | 0 |\n\nAdding Multiples of Ten  \nName:  \nSolve each problem. Answers  \n100 49 90 76  \n44 77 88 97 1.  \n56 57 89 81  \n2.  \n1) 5 0 2) 2 9 3) 2 6 4) 7 0 3.  \n+ 3 1 + 6 0 + 3 0 + 1 8  \n4.  \n5.  \n6.  \n7.  \n8.  \n5) 1 4 6) 5 0 7) 1 7 8) 8 0  \n9.  \n+ 3 0 + 2 7 + 4 0 + 1 7  \n10.  \n11.  \n12.  \n9) 7 0 10) 3 0 11) 1 0 12) 2 0  \n+ 3 0 + 6 0 + 3 9 + 5 6  \nMath www. CoMommi[eSheets.com](eSheets.com 10 111--1102)[ 10](eSheets.com 10 111--1102)[ 111--1102](eSheets.com 10 111--1102) 92 838 0 75 67 58 50 42 33 25 17","cbCaipwucgkSTJnF","https://ap.wps.com/l/cbCaipwucgkSTJnF","pdf",47387,"English","# Addition Problem Answer Key\n## Answer List for Problems 1-20","[{\"question\":\"What is the answer to problem number 1?\",\"answer\":\"The answer to 50 + 31 is 81.\"},{\"question\":\"What is the answer to problem number 10?\",\"answer\":\"The answer to 30 + 60 is 90.\"},{\"question\":\"What is the answer to problem number 20?\",\"answer\":\"The answer to 45 + 20 is 65.\"}]","Adding Multiples of Ten - Answer Key | PDF"]