[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-545935-105":59,"doc-detail-545935-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","mental-math-adding-three-2-digit-numbers-grade-4-addition-worksheet","Mental Math - Adding Three 2-Digit Numbers - Grade 4 Addition Worksheet","","This document provides a collection of mental math practice exercises designed for Grade 4 students, focusing on the addition of three 2-digit numbers. The material includes twenty distinct arithmetic problems that challenge students to perform calculations efficiently. By presenting these problems in a structured worksheet format, the document serves as an effective learning tool for reinforcing fundamental addition skills, building numerical fluency, and improving mental computation speed in a classroom or home study setting. The inclusion of an answer key allows for immediate self-assessment and verification of accuracy, making it a comprehensive resource for educators and parents seeking to support students' mathematical development through consistent and targeted practice.",{"@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/mental-math-adding-three-2-digit-numbers-grade-4-addition-worksheet/545935/",{"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/mental-math-adding-three-2-digit-numbers-grade-4-addition-worksheet/545935.png","ImageObject",300,407,{"name":92,"@type":93},"Ezra","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-10","2026-10-12",true,{"@type":102,"interactionType":103,"userInteractionCount":14},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the primary objective of this worksheet?","Question",{"text":112,"@type":113},"The primary objective is to practice mental math skills by adding three 2-digit numbers together.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Who is the target audience for these addition exercises?",{"text":117,"@type":113},"The exercises are specifically designed for Grade 4 students to enhance their computational fluency.",{"name":119,"@type":110,"acceptedAnswer":120},"Does the document include solutions for the practice problems?",{"text":121,"@type":113},"Yes, the document provides the sums for all twenty practice problems to facilitate easy checking and learning.","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},545935,1791775778,{"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":14,"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":129,"read_time":24,"preview_page_count":4},1099514068035,"https://ap-avatar.wpscdn.com/davatar_276721f389ce27ea32af1340a28f341c","Mental math: adding three 2-digit numbers   \nGrade 4 Addition Worksheet  \nFind the sum.  \n1. 51 + 41 + 52 =   2. 83 + 29 + 26 =   3. 19 + 62 + 29 =   4. 45 + 40 + 21 =   5. 29 + 22 + 91 =   6. 75 + 93 + 31 =   7. 52 + 34 + 14 =   8. 39 + 96 + 91 =   9. 33 + 44 + 68 =   10. 96 + 84 + 22 =   11. 19 + 82 + 55 =   12. 18 + 32 + 92 =   13. 17 + 20 + 58 =   14. 32 + 32 + 96 =   15. 20 + 83 + 97 =   16. 15 + 18 + 12 =   17. 26 + 58 + 32 =   18. 69 + 94 + 95 =    \n19. 20 + 14 + 87 =   20. 16 + 65 + 64 =    \nMental math: adding three 2-digit numbers   \nGrade 4 Addition Worksheet  \nFind the sum.  \n1. 51 + 41 + 52 =  144  2. 83 + 29 + 26 =  138   \n3. 19 + 62 + 29 =  110  4. 45 + 40 + 21 =  106   \n5. 29 + 22 + 91 =  142  6. 75 + 93 + 31 =  199   \n7. 52 + 34 + 14 =  100  8. 39 + 96 + 91 =  226   \n9. 33 + 44 + 68 =  145  10. 96 + 84 + 22 =  202   \n11. 19 + 82 + 55 =  156  12. 18 + 32 + 92 =  142   \n13. 17 + 20 + 58 =  95  14. 32 + 32 + 96 =  160   \n15. 20 + 83 + 97 =  200  16. 15 + 18 + 12 =  45   \n17. 26 + 58 + 32 =  116  18. 69 + 94 + 95 =  258   \n19. 20 + 14 + 87 =  121  20. 16 + 65 + 64 =  145","cbCaii7vai102tfC","https://ap.wps.com/l/cbCaii7vai102tfC","pdf",13351,"English","# Mental Math Addition Exercises\n## Answer Key","[{\"question\":\"What is the primary objective of this worksheet?\",\"answer\":\"The primary objective is to practice mental math skills by adding three 2-digit numbers together.\"},{\"question\":\"Who is the target audience for these addition exercises?\",\"answer\":\"The exercises are specifically designed for Grade 4 students to enhance their computational fluency.\"},{\"question\":\"Does the document include solutions for the practice problems?\",\"answer\":\"Yes, the document provides the sums for all twenty practice problems to facilitate easy checking and learning.\"}]","Mental Math - Adding Three 2-Digit Numbers - Grade 4 Addition Worksheet | PDF"]