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Problems require students to write the missing sums for base tens and hundreds, extending single-digit additions (like 8 + 9) into ten and hundred equivalents (80 + 90, 800 + 900). Additional items follow the same structure for other digit combinations, supporting accuracy across ones, tens, and hundreds columns while reinforcing place-value relationships in addition.",{"@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/completing-addition-place-value-patterns-answer-key/484852/",{"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/completing-addition-place-value-patterns-answer-key/484852.png","ImageObject",300,407,{"name":92,"@type":93},"nayy☆","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-06","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 skills do these problems practice?","Question",{"text":112,"@type":113},"They practice completing addition patterns by extending ones-digit sums to tens and hundreds using place value.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How should students complete a pattern like 8 + 9 = ?, 80 + 90 = ?, 800 + 900 = ?",{"text":117,"@type":113},"Add the ones digits to get the ones result, then apply the same addition to the tens and hundreds by keeping the place value scaling (tens are 10 times, hundreds are 100 times).",{"name":119,"@type":110,"acceptedAnswer":120},"Is there an answer key included in the document?",{"text":121,"@type":113},"Yes. The document includes an Answer Key section with the completed sums for each pattern.","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},484852,1791178364,{"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,"preview_page_count":4},962090893153,"https://ap-avatar.wpscdn.com/davatar_9964176cb1d06d4a9deccf72a44ae3dc","Completing Addition Place-Value Patterns  \nName:  \n\n| Complete each addition pattern.\u003Cbr>1) Complete the pattern:\u003Cbr>8 + 9 =\u003Cbr>\u003Cbr>80 + 90 = \u003Cbr>800 + 900 = \u003Cbr>3) Complete the pattern:\u003Cbr>2 + 3 =\u003Cbr>\u003Cbr>20 + 30 = \u003Cbr>200 + 300 = \u003Cbr>5) Complete the pattern:\u003Cbr>6 + 6 =\u003Cbr>\u003Cbr>60 + 60 = \u003Cbr>600 + 600 = \u003Cbr>7) Complete the pattern:\u003Cbr>4 + 7 =\u003Cbr>\u003Cbr>40 + 70 = \u003Cbr>400 + 700 = \u003Cbr>9) Complete the pattern:\u003Cbr>1 + 6 =\u003Cbr>\u003Cbr>10 + 60 = \u003Cbr>100 + 600 = \u003Cbr>11) Complete the pattern:\u003Cbr>1 + 1 =\u003Cbr>\u003Cbr>10 + 10 = \u003Cbr>100 + 100 =  | 2)\u003Cbr>4)\u003Cbr>6)\u003Cbr>8)\u003Cbr>10)\u003Cbr>12) | Complete the pattern:\u003Cbr>7 + 8 =\u003Cbr>\u003Cbr>70 + 80 = \u003Cbr>700 + 800 = \u003Cbr>Complete the pattern:\u003Cbr>5 + 5 =\u003Cbr>\u003Cbr>50 + 50 = \u003Cbr>500 + 500 = \u003Cbr>Complete the pattern:\u003Cbr>4 + 9 =\u003Cbr>\u003Cbr>40 + 90 = \u003Cbr>400 + 900 = \u003Cbr>Complete the pattern:\u003Cbr>6 + 8 =\u003Cbr>\u003Cbr>60 + 80 = \u003Cbr>600 + 800 = \u003Cbr>Complete the pattern:\u003Cbr>7 + 9 =\u003Cbr>\u003Cbr>70 + 90 = \u003Cbr>700 + 900 = \u003Cbr>Complete the pattern:\u003Cbr>9 + 9 =\u003Cbr>\u003Cbr>90 + 90 = \u003Cbr>900 + 900 =  | 1.\u003Cbr>2.\u003Cbr>3.\u003Cbr>4.\u003Cbr>5.\u003Cbr>6.\u003Cbr>7.\u003Cbr>8.\u003Cbr>9.\u003Cbr>10.\u003Cbr>11.\u003Cbr>12. | Answers |\n| --- | --- | --- | --- | --- |\n|  |  |  |  |  |\n|  |  |  |  |  |\n|  |  |  |  |  |\n|  |  |  |  |  |\n|  |  |  |  |  |\n|  |  |  |  |  |\n|  |  |  |  |  |\n|  |  |  |  |  |\n|  |  |  |  |  |\n|  |  |  |  |  |\n|  |  |  |  |  |\n|  |  |  |  |  |\n\nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n9  \n1-10 92  \n11-12 8  \n83  \n0  \n75 67 58 50 42 33 25 17  \nCompleting Addition Place-Value Patterns  \nName: Answer Key  \n\n| Complete each addition pattern.\u003Cbr>1) Complete the pattern: 2) Complete the pattern: |  |  |  |  |  |  |  |  | Answers |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 8 + 9 = 17 \u003Cbr>80 + 90 = 170  |  | 7 + 8 = 15 \u003Cbr>70 + 80 = 150  |  |  |  |  |  |  | 1.  1,700  |  |  |  |  |  |  |\n| 800 + 900 = 1,700  700 + 800 = 1,500 \u003Cbr>3) Complete the pattern: 4) Complete the pattern:\u003Cbr>2 + 3 = 5 5 + 5 = 10\u003Cbr>\u003Cbr>20 + 30 = 50  50 + 50 = 100 \u003Cbr>200 + 300 = 500  500 + 500 = 1,000  |  |  |  |  |  |  |  |  | 2.  1,500  3.  500  4.  1,000 \u003Cbr>5.  1,200  |  |  |  |  |  |  |\n| 5) Complete the pattern: 6) Complete the pattern:\u003Cbr>6 + 6 = 12 4 + 9 = 13 |  |  |  |  |  |  |  |  | 6.  1,300  7.  1,100  |  |  |  |  |  |  |\n| 60 + 60 = 120  40 + 90 = 130  |  |  |  |  |  |  |  |  | 8.  1,400  |  |  |  |  |  |  |\n| 600 + 600 = 1,200  400 + 900 = 1,300  |  |  |  |  |  |  |  |  | 9.  700  10.  1,600 \u003Cbr>11.  200  |  |  |  |  |  |  |\n| 7) Complete the pattern:\u003Cbr>4 + 7 = 11\u003Cbr>\u003Cbr>40 + 70 = 110 |  | 8) Complete the pattern:\u003Cbr>6 + 8 = 14\u003Cbr>\u003Cbr>60 + 80 = 140 |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 400 + 700 = 1,100  600 + 800 = 1,400 \u003Cbr>9) Complete the pattern: 10) Complete the pattern: |  |  |  |  |  |  |  |  | 12.  1,800  |  |  |  |  |  |  |\n| 1 + 6 = 7 7 + 9 = 16 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 10 + 60 = 70 70 + 90 = 160 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 100 + 600 = 700  700 + 900 = 1,600  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 11) Complete the pattern: 12) Complete the pattern: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 1 + 1 = 2  9 + 9 = 18  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 10 + 10 = 20 90 + 90 = 180 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 100 + 100 = 200  900 + 900 = 1,800  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| \u003Cbr>Math | [www.CommonCoreSheets.com](www.CommonCoreSheets.com) |  | 9 | 1-10\u003Cbr>11-12 | 92 | 83 | 75 | 67 |  | 58 | 50 | 42 | 33 | 25 | 17 |\n|  |  |  |  |  | 8 | 0 |  |  |  |  |  |  |  |  |  |\n\nCompleting Addition Place-Value Patterns  \nName:  \n\n| Complete each addition pattern.\u003Cbr>1) Complete the pattern:\u003Cbr>8 + 9 =\u003Cbr>\u003Cbr>80 + 90 = \u003Cbr>800 + 900 = \u003Cbr>2) Complete the pattern:\u003Cbr>7 + 8 =\u003Cbr>\u003Cbr>70 + 80 = \u003Cbr>700 + 800 = \u003Cbr>3) Complete the pattern:\u003Cbr>2 + 3 =\u003Cbr>\u003Cbr>20 + 30 = \u003Cbr>200 + 300 = \u003Cbr>4) Complete the pattern:\u003Cbr>5 + 5 =\u003Cbr>\u003Cbr>50 + 50 = \u003Cbr>500 + 500 = \u003Cbr>5) Complete the pattern:\u003Cbr>6 + 6 =\u003Cbr>\u003Cbr>60 + 60 = \u003Cb","cbCaisQ6OydARaFq","https://ap.wps.com/l/cbCaisQ6OydARaFq","pdf",43787,"English","# Complete each addition pattern\n## Ones to tens and hundreds","[{\"question\":\"What skills do these problems practice?\",\"answer\":\"They practice completing addition patterns by extending ones-digit sums to tens and hundreds using place value.\"},{\"question\":\"How should students complete a pattern like 8 + 9 = ?, 80 + 90 = ?, 800 + 900 = ?\",\"answer\":\"Add the ones digits to get the ones result, then apply the same addition to the tens and hundreds by keeping the place value scaling (tens are 10 times, hundreds are 100 times).\"},{\"question\":\"Is there an answer key included in the document?\",\"answer\":\"Yes. The document includes an Answer Key section with the completed sums for each pattern.\"}]","Completing Addition Place-Value Patterns - Answer Key | PDF",1790803181]