[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-632968-105":59,"doc-detail-632968-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","add-and-subtract-within-20-sheet-7","Add and Subtract within 20 - Sheet 7","","This educational document provides a structured set of 30 arithmetic problems focused on addition and subtraction within the number range of 20, specifically designed for second-grade students. The resource includes a diverse collection of missing-addend and missing-subtrahend equations to reinforce foundational mathematical skills. Additionally, the document features a 'Challenge' section that requires students to apply logical thinking by selecting three specific numbers from a provided set to construct valid mathematical equations. Comprehensive answer keys are included to facilitate self-assessment and verification of the exercises, making this an ideal practice sheet for classroom learning or home study sessions aimed at improving computational fluency and number 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includes a complete answer key section that provides the results for all 30 practice problems and the challenge equations.","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},632968,1792900872,{"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":14,"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":24},1099514067438,"https://ap-avatar.wpscdn.com/avatar/100002539ee87300030?x-image-process=image/resize,m_fixed,w_180,h_180&k=1780474512215547542","ADD AND SUBTRACT WITHIN 20 SHEET 7  \n1)   + 5 = 12 16) 18 ̶   = 17  \n2) 17 ̶   = 11 17)   + 8 = 17  \n3) 14 +   = 19 18)   ̶ 14 = 5  \n4)   ̶ 4 = 13 19) 6 + 13 =    \n5)   + 6 = 15 20) 17 – 12 =    \n6) 12 + 7 =   21) 15 ̶   = 2  \n7) 16 – 11 =   22)   + 4 = 16  \n8)   ̶ 8 = 7 23) 7 + 11 =    \n9) 13 +   = 20 24)   ̶ 7 = 12  \n10) 16 ̶   = 3 25) 8 +   = 19  \n11) 18 – 12 =   26) 16 = 9 +    \n12) 7 + 13 =   27) 13 = 18 ̶    \n13)   + 9 = 19 28) 2 =   ̶ 13  \n14) 7 +   = 13 29) 19 =   + 4  \n15)   ̶ 11 = 7 30) 7 = 15 ̶    \nCHALLENGE  \n\n| 18 | 9 | 4 | 6 | 15 |\n| --- | --- | --- | --- | --- |\n\nChoose any 3 of the numbers above to complete each of the equations.  \n\n|  | = |  | + |  |  |  | = |  | ̶ |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  |  |  |  |  |  |  |  |  |  |  |\n\nADD AND SUBTRACT WITHIN 20 SHEET 7 ANSWERS  \n1)  \n2)  \n3)  \n4)  \n5)  \n6)  \n7)  \n8)  \n9)  \n10)  \n11)  \n12)  \n13)  \n14)  \n15)  \n7 + 5 = 12  \n17 ̶ 6 = 11  \n14 + 5 = 19  \n17 ̶ 4 = 13  \n9 + 6 = 15  \n12 + 7 =  19  \n16 – 11 =  5  \n15 ̶ 8 = 7  \n13 + 7 = 20  \n16 ̶ 13 = 3  \n18 – 12 =  6  \n7 + 13 =  20  \n10 + 9 = 19  \n7 + 6 = 13  \n18 ̶ 11 = 7  \n16)  \n17)  \n18)  \n19)  \n20)  \n21)  \n22)  \n23)  \n24)  \n25)  \n26)  \n27)  \n28)  \n29)  \n30)  \n18 ̶ 1 = 17  \n9 + 8 = 17 19 ̶ 14 = 5  \n6 + 13 =  19  \n17 – 12 =  5  \n15 ̶ 13 = 2 12 + 4 = 16 7 + 11 =  18 19 ̶ 7 = 12 8 + 11 = 19 16 = 9 + 7  \n13 = 18 ̶ 5  \n2 =  15 ̶ 13  \n19 =  15 + 4  \n7 = 15 ̶ 8  \nCHALLENGE  \n\n| 18 | 9 | 4 | 6 | 15 |\n| --- | --- | --- | --- | --- |\n\nChoose any 3 of the numbers above to complete each of the equations.  \n\n| 15 = 9 + 6 | 6 = 15 – 9 |\n| --- | --- |\n| 15 = 6 + 9 | 9 = 15 – 6 |","cbCaid2fnQCE2HCD","https://ap.wps.com/l/cbCaid2fnQCE2HCD","pdf",173176,"English","# Addition and Subtraction Practice\n## Challenge Exercises\n## Answer Keys","[{\"question\":\"What is the main goal of the math exercises in this document?\",\"answer\":\"The primary goal is to help students practice and master addition and subtraction skills within the range of 20.\"},{\"question\":\"How are the challenge problems structured?\",\"answer\":\"The challenge problems require students to choose any three numbers from a specific list of five numbers (18, 9, 4, 6, 15) to complete given addition and subtraction equations.\"},{\"question\":\"Does the document provide solutions to the problems?\",\"answer\":\"Yes, the document includes a complete answer key section that provides the results for all 30 practice problems and the challenge equations.\"}]","Add and Subtract within 20 - Sheet 7 | PDF",1792671349]