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Students fill in answers for expressions like 80-20, 31+9, and 73-14 by moving along the number line and counting steps indicated by increments or decrements. The answer key provides the completed results: 1)60, 2)40, 3)59, 4)21, 5)68, 6)49, 7)76, 8)47, 9)48, 10)90, supporting self-checking and review.",{"@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-and-subtracting-with-number-lines-answer-key-math-practice/465615/",{"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-and-subtracting-with-number-lines-answer-key-math-practice/465615.png","ImageObject",300,407,{"name":92,"@type":93},"Hazel","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-03","2026-09-30",true,{"@type":102,"interactionType":103,"userInteractionCount":19},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the main task of the worksheet?","Question",{"text":112,"@type":113},"Use the number lines to solve each arithmetic problem by counting the appropriate steps forward or backward.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How can students check their work?",{"text":117,"@type":113},"Match their computed results against the provided Answer Key values for problems 1 through 10.",{"name":119,"@type":110,"acceptedAnswer":120},"Which math operations are included?",{"text":121,"@type":113},"The worksheet includes both addition and subtraction expressions, such as 31 + 9 and 80 - 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},465615,1790769825,{"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":19,"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},137441390410,"https://ap-avatar.wpscdn.com/avatar/2000252f4ab5702993?_k=1776741390130283984","Adding and Subtracting with Number Lines  \nName:  \n\n| Use the numberlines to solve each problem.\u003Cbr>1) 80-20 = 60\u003Cbr>2) 31 + 9 = 20\u003Cbr>3) 73-14 =\u003Cbr>4) 23-2 =\u003Cbr>5) 69-1 =\u003Cbr>6) 42 + 7 = 40\u003Cbr>7) 87-11 =\u003Cbr>8) 44 + 3 = 40\u003Cbr>9) 44 + 4 = 40\u003Cbr>70 80\u003Cbr>30 40 50\u003Cbr>50 60 70\u003Cbr>10 20\u003Cbr>60 70\u003Cbr>50 60 70\u003Cbr>70 80 90\u003Cbr>50 60 70\u003Cbr>50 60\u003Cbr>10) 86 + 4 =\u003Cbr>80 90\u003Cbr>| Answers\u003Cbr>1.  \u003Cbr>2.  \u003Cbr>3.  \u003Cbr>4.  \u003Cbr>5.  \u003Cbr>6.  \u003Cbr>7.  \u003Cbr>8.  \u003Cbr>9.  \u003Cbr>10.   |\n| --- | --- |\n\n[Math](Math www.CommonCoreSheets.com 10 1-10)[ www.CommonCoreSheets.com](Math www.CommonCoreSheets.com 10 1-10)[ 10](Math www.CommonCoreSheets.com 10 1-10)[ 1-10](Math www.CommonCoreSheets.com 10 1-10) 90 80 70 60 50 40 30 20 10 0  \n\n|  |  |  |  |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n\nAdding and Subtracting with Number Lines  \nName: Answer Key  \n\n| Use the numberlines to solve each problem.\u003Cbr>1) 80-20 =\u003Cbr>60 70 80\u003Cbr>-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1\u003Cbr>2) 31 + 9 =\u003Cbr>20 3031 40 50\u003Cbr>+1 +1 +1 +1 +1 +1 +1 +1 +1\u003Cbr>3) 73-14 =\u003Cbr>50 60 70 73\u003Cbr>\u003Cbr>-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1\u003Cbr>4) 23-2 =\u003Cbr>10 20 23\u003Cbr>\u003Cbr>-1 -1\u003Cbr>5) 69-1 =\u003Cbr>60 69 70\u003Cbr>\u003Cbr>-1\u003Cbr>6) 42 + 7 =\u003Cbr>40 42 50 60 70\u003Cbr>+1 +1 +1 +1 +1 +1 +1\u003Cbr>7) 87-11 =\u003Cbr>70 80 87 90\u003Cbr>\u003Cbr>-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1\u003Cbr>8) 44 + 3 =\u003Cbr>40 44 50 60 70\u003Cbr>+1 +1 +1\u003Cbr>9) 44 + 4 =\u003Cbr>40 44 50 60\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>10) 86 + 4 =\u003Cbr>80\u003Cbr>86 90\u003Cbr>\u003Cbr>\u003Cbr>+1\u003Cbr>\u003Cbr>+1\u003Cbr>\u003Cbr>+1\u003Cbr>\u003Cbr>+1 | Answers 1.  60  2.  40  3.  59  4.  21  5.  68  6.  49  7.  76  8.  47  9.  48  10.  90  |\n| --- | --- |\n\n[Math](Math www.CommonCoreSheets.com 10 1-10)[ www.CommonCoreSheets.com](Math www.CommonCoreSheets.com 10 1-10)[ 10](Math www.CommonCoreSheets.com 10 1-10)[ 1-10](Math www.CommonCoreSheets.com 10 1-10) 90 80 70 60 50 40 30 20 10 0  \n\n|  |  |  |  |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n\nAdding and Subtracting with Number Lines  \nName:  \nUse the numberlines to solve each problem. Answers  \n1) 80-20 =  \n60  \n2) 31 + 9 = 20  \n3) 73-14 =  \n50  \n4) 23-2 =  \n5) 69-1 =  \n6) 42 + 7 = 40  \n7) 87-11 =  \n30  \n10  \n60  \n50  \n70  \n70  \n40  \n60  \n70  \n80  \n50  \n70  \n20  \n60 70  \n80 90  \n1.  \n2.  \n3.  \n4.  \n5.  \n6.  \n7.  \n1-7 86 71 57 43 29 14 0  \nMath  \nModified  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n10","cbCainDDmvd8IIHS","https://ap.wps.com/l/cbCainDDmvd8IIHS","pdf",64313,"English","# Problems\n## Use the number line to solve\n# Answer Key","[{\"question\":\"What is the main task of the worksheet?\",\"answer\":\"Use the number lines to solve each arithmetic problem by counting the appropriate steps forward or backward.\"},{\"question\":\"How can students check their work?\",\"answer\":\"Match their computed results against the provided Answer Key values for problems 1 through 10.\"},{\"question\":\"Which math operations are included?\",\"answer\":\"The worksheet includes both addition and subtraction expressions, such as 31 + 9 and 80 - 20.\"}]","Adding and Subtracting with Number Lines - Answer Key - Math Practice | PDF"]