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Problems cover single-digit addition (e.g., 8+2, 4+7, 7+1) and corresponding subtraction (e.g., 10-8, 8-7, 11-5). The worksheet presents multiple rows of short computation items, requiring straightforward mental arithmetic and number facts recall to reach correct totals.","Solve each of the problems.  \n8 + 2 =   3 + 4 =   4 + 7 =   9 + 1 =   4 + 5 =   8 + 4 =   7 + 1 =   6 + 7 =   1 + 3 =   9 + 3 =   2 + 3 =   7 + 3 =   9 + 8 =   6 + 6 =   3 + 7 =   5 + 9 =   4 + 1 =   6 + 5 =   5 + 8 =   7 + 7 =   9 + 2 =   4 + 8 =   1 + 5 =   2 + 5 =   3 + 1 =   10-8 =   8-7 =   7-6 =   11-5 =   3-2 =   16-8 =   10-2 =   6-2 =   13-6 =   17-9 =   2-1 =   16-7 =   6-1 =   13-5 =   5-3 =   12-4 =   8-6 =   4-2 =   10-6 =   18-9 =   5-1 =   11-4 =   10-7 =    \n15-8 =   7-5 =    \n\n| \u003Cbr>Math | [www.CommonCoreSheets.com](www.CommonCoreSheets.com4)[4](www.CommonCoreSheets.com4) | 1-10\u003Cbr>11-20 | 98 | 96 | 94 | 92 | 90 | 88 | 86 | 84 | 82 | 80 |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  |  | 78 | 76 | 74 | 72 | 70 | 68 | 66 | 64 | 62 | 60 |\n\nSolve each of the  \n8 + 2 =  10   \n4 + 7 =  11   \n4 + 5 =  9   \n7 + 1 =  8   \n1 + 3 =  4   \n2 + 3 =  5   \n9 + 8 =  17   \n3 + 7 =  10   \n4 + 1 =  5   \n5 + 8 =  13   \n9 + 2 =  11   \n1 + 5 =  6   \n3 + 1 =  4   \n8-7 =  1   \n11-5 =  6   \n16-8 =  8   \n6-2 =  4   \n17-9 =  8   \n16-7 =  9   \n13-5 =  8   \n12-4 =  8   \n4-2 =  2   \n18-9 =  9   \n11-4 =  7   \n15-8 =  7   \nproblems.  \n3 + 4 =  7   \n9 + 1 =  10   \n8 + 4 =  12   \n6 + 7 =  13   \n9 + 3 =  12   \n7 + 3 =  10   \n6 + 6 =  12   \n5 + 9 =  14   \n6 + 5 =  11   \n7 + 7 =  14   \n4 + 8 =  12   \n2 + 5 =  7   \n10-8 =  2   \n7-6 =  1   \n3-2 =  1   \n10-2 =  8   \n13-6 =  7   \n2-1 =  1   \n6-1 =  5   \n5-3 =  2   \n8-6 =  2   \n10-6 =  4   \n5-1 =  4   \n10-7 =  3   \n7-5 =  2   \n\n| \u003Cbr>Math | [www.CommonCoreSheets.com](www.CommonCoreSheets.com4)[4](www.CommonCoreSheets.com4) | 1-10\u003Cbr>11-20 | 98 | 96 | 94 | 92 | 90 | 88 | 86 | 84 | 82 | 80 |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  |  | 78 | 76 | 74 | 72 | 70 | 68 | 66 | 64 | 62 | 60 |\n\nSolve each of the problems.  \n8 + 2 =  \n4 + 7 =  \n4 + 5 =  \n7 + 1 =  \n1 + 3 =  \n2 + 3 =  \n9 + 8 =  \n3 + 4 =  \n9 + 1 =  \n8 + 4 =  \n6 + 7 =  \n9 + 3 =  \n7 + 3 =  \n6 + 6 =  \n| \u003Cbr>Math | www. CoMommi[eSheets.com](eSheets.com4)[4](eSheets.com4) | 1-10\u003Cbr>11-14 | 93 | 86 | 79 | 71 | 64 | 57 | 50 | 43 | 36 | 29 |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  |  | 21 | 14 | 7 | 0 |  |  |  |  |  |  |","cbCaidA1HJEM0yk9","https://ap.wps.com/l/cbCaidA1HJEM0yk9","pdf",43825,3,"English","en",105,"# Practice Problems","[{\"question\":\"What types of problems are included in this worksheet?\",\"answer\":\"It includes short addition and subtraction problems using numbers within 20.\"},{\"question\":\"Are the problems limited to addition only or do they include subtraction too?\",\"answer\":\"They include both addition and subtraction, with several expressions written as differences (e.g., 10-8, 8-7).\"},{\"question\":\"How should students use this worksheet?\",\"answer\":\"Students should solve each listed computation item and fill in the missing results.\"}]","Add and Subtract Within 20 - Solve the Problems | PDF",1790768898,{"code":4,"msg":81,"data":82},"ok",{"site_id":75,"language":74,"slug":83,"title":65,"keywords":84,"description":66,"schema_data":85,"social_meta":138,"head_meta":140,"extra_data":142,"updated_unix":79},"add-and-subtract-within-20-solve-the-problems-464909","",{"@graph":86,"@context":137},[87,100,120],{"@type":88,"itemListElement":89},"BreadcrumbList",[90,94,96,98],{"item":91,"name":92,"@type":93,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":95,"name":9,"@type":93,"position":14},"https://docshare.wps.com/document/",{"item":97,"name":20,"@type":93,"position":72},"https://docshare.wps.com/document/exam/",{"item":99,"name":65,"@type":93,"position":19},"https://docshare.wps.com/document/add-and-subtract-within-20-solve-the-problems-464909/464909/",{"url":99,"name":65,"@type":101,"image":102,"author":107,"headline":65,"publisher":109,"fileFormat":112,"inLanguage":74,"description":66,"dateModified":113,"datePublished":114,"encodingFormat":112,"isAccessibleForFree":115,"interactionStatistic":116},"DigitalDocument",{"url":103,"@type":104,"width":105,"height":106},"https://docshare.wps.com/thumbnails/add-and-subtract-within-20-solve-the-problems-464909/464909.png","ImageObject",300,407,{"name":63,"@type":108},"Person",{"url":91,"name":110,"@type":111},"DocShare","Organization","application/pdf","2026-10-30","2026-09-30",true,{"@type":117,"interactionType":118,"userInteractionCount":14},"InteractionCounter",{"@type":119},"ViewAction",{"@type":121,"mainEntity":122},"FAQPage",[123,129,133],{"name":124,"@type":125,"acceptedAnswer":126},"What types of problems are included in this worksheet?","Question",{"text":127,"@type":128},"It includes short addition and subtraction problems using numbers within 20.","Answer",{"name":130,"@type":125,"acceptedAnswer":131},"Are the problems limited to addition only or do they include subtraction too?",{"text":132,"@type":128},"They include both addition and subtraction, with several expressions written as differences (e.g., 10-8, 8-7).",{"name":134,"@type":125,"acceptedAnswer":135},"How should students use this worksheet?",{"text":136,"@type":128},"Students should solve each listed computation item and fill in the missing results.","https://schema.org",{"og:url":99,"og:type":139,"og:title":65,"og:site_name":110,"og:description":66},"article",{"robots":141,"canonical":99},"index,follow",{"doc_id":61,"site_id":75}]