[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-631307-105":59,"doc-detail-631307-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","4-digit-addition-and-subtraction-challenge-2","4-Digit Addition and Subtraction Challenge - 2","","This document provides a set of fifteen challenging mathematical problems focused on 4-digit addition and subtraction. Designed for students practicing arithmetic skills, the worksheet requires learners to identify and fill in missing digits within the given equations. The content is structured with both a clear problem section and a corresponding answer key to facilitate self-assessment and reinforce mastery of multi-digit operations. This material serves as an effective resource for building numerical fluency, developing logical reasoning in solving missing-variable puzzles, and improving overall computational speed and accuracy in elementary and middle school mathematics 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_ 5 3) _ 80 _  \n+  27 _ 8  −  _ 51 _  +  34 _ 1   \n8 _ 71 4 _ 51 8 _ 54  \n4) 6 _ 91 5) 60 _ 7 6) _ 1 _ 1  \n−  521 _  +  _ 58 _  −  253 _   \n_ 3 _ 5 8 _ 41 _ 54  \n7) 571 _ 8) _ 7 4 8 9) 6 _ 3 _  \n+  2 _ 64  −  26 _ 1  +  514 _   \n_ 1 _ 0 6 _ 0 _ 1 _ 9 _ 7  \n10) 88 _ 9 11) 5 _ 0 _ 12) 2 3 _ 0  \n−  _ 08 _  −  3836  −  _ 86 _   \n2 _ 54 _ 8 _ 4 _ 16  \n13) _ 3 1 7 14) 4 _ 16 15) _ 2 8 5  \n+ 48 _ + 107 _ + 3 _ 2  \n+  40 _ 4  +  7 _ 4  +  2 _ 14   \n10 _ 54 _ 7 4 3 826 _  \n4-DIGIT ADDITION AND SUBTRACTION CHALLENGE 2 ANSWERS  \n1)  6  15 3  2) 71 6 5 3)  4 80 3  \n+  27 1 8  −  2 51 4  +  34 5 1   \n8 8 71 4 6 51 8 2 54  \n4) 6 5 91 5) 60 5 7 6)  3  1 9  1  \n−  521 6  +  2 58 4  −  253 7   \n1 3 7 5 8 6 41  6 54  \n7) 571 6  8)  8 748 9) 6 8 3 0  \n+  2 4 64  −  26 4 1  +  51 4 7   \n8  1 8 0 6  1 0 7  1  1 9 7 7  \n10) 88 3 9 11) 5 7 0 0  12) 23 8 0  \n−  6 08 5  −  3836  −  1 86 4   \n2 7 54  1 8 6 4  5  16  \n13)  6 317 14) 4 9  16 15)  5 285  \n+ 48 3  + 107 3  + 3 6 2  \n+  40 5 4  +  7 5 4  +  2 6 14   \n10 8 54  6 743 826  1","cbCaiqVI0mgqLh4u","https://ap.wps.com/l/cbCaiqVI0mgqLh4u","pdf",181739,"English","# 4-Digit Addition and Subtraction Challenge 2\n## Practice Problems\n## Answer Key","[{\"question\":\"What is the objective of this document?\",\"answer\":\"The document aims to help students practice their 4-digit addition and subtraction skills by identifying missing digits in various mathematical problems.\"},{\"question\":\"How many problems are included in the challenge?\",\"answer\":\"There are 15 distinct 4-digit addition and subtraction problems provided in this worksheet.\"},{\"question\":\"Is an answer key provided for the exercises?\",\"answer\":\"Yes, the document includes a complete answer key at the bottom, which lists the correct digits for every problem in the challenge.\"}]","4-Digit Addition and Subtraction Challenge - 2 | PDF",1792668934]