[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-545941-105":59,"doc-detail-545941-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","grade-4-addition-mental-math-worksheet","Grade 4 Addition - Mental Math Worksheet","","This Grade 4 educational resource provides a structured mental math addition worksheet designed to enhance students' proficiency in calculating sums involving three 1-digit and 2-digit numbers. The document features twenty specific practice problems, each requiring the addition of three numeric values to achieve a correct total. As a comprehensive learning aid, the worksheet includes an answer key for all exercises, enabling students to verify their results independently. This material is suitable for elementary school curriculum support and home-based study, focusing on building accuracy and speed in basic arithmetic operations. The content is presented clearly, allowing for efficient review and practice of mental addition strategies across various numerical combinations, reinforcing fundamental mathematical skills required for fourth-grade students.",{"@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/grade-4-addition-mental-math-worksheet/545941/",{"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/grade-4-addition-mental-math-worksheet/545941.png","ImageObject",300,407,{"name":92,"@type":93},"Ezra","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-06","2026-10-12",true,{"@type":102,"interactionType":103,"userInteractionCount":24},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the target age group for this addition worksheet?","Question",{"text":112,"@type":113},"The worksheet is designed for students in Grade 4.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What type of math problems are included in this document?",{"text":117,"@type":113},"The document contains problems requiring the addition of three 1-digit and 2-digit numbers.",{"name":119,"@type":110,"acceptedAnswer":120},"Does this worksheet provide the correct answers for the problems?",{"text":121,"@type":113},"Yes, the document includes a section that provides the sum for all twenty problems listed.","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},545941,1791775791,{"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":24,"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 1 and 2-digit numbers  \nGrade 4 Addition Worksheet  \nFind the sum.  \n1. 87 + 8 + 8 =   2. 55 + 89 + 9 =   3. 7 + 8 + 1 =   4. 74 + 48 + 71 =   5. 9 + 7 + 5 =   6. 49 + 5 + 8 =   7. 3 + 3 + 8 =   8. 5 + 6 + 9 =   9. 19 + 7 + 69 =   10. 49 + 7 + 3 =   11. 7 + 3 + 8 =   12. 73 + 33 + 7 =   13. 32 + 7 + 3 =   14. 7 + 59 + 2 =   15. 2 + 6 + 74 =   16. 73 + 88 + 58 =   17. 86 + 6 + 78 =   18. 4 + 48 + 73 =    \n19. 1 + 9 + 6 =   20. 88 + 32 + 9 =    \nOnline reading & math for K-5 © [www.k5learning.com](www.k5learning.com)  \nMental math: adding three 1 and 2-digit numbers  \nGrade 4 Addition Worksheet  \nFind the sum.  \n1. 87 + 8 + 8 =  103  2. 55 + 89 + 9 =  153   \n3. 7 + 8 + 1 =  16  4. 74 + 48 + 71 =  193   \n5. 9 + 7 + 5 =  21  6. 49 + 5 + 8 =  62   \n7. 3 + 3 + 8 =  14  8. 5 + 6 + 9 =  20   \n9. 19 + 7 + 69 =  95  10. 49 + 7 + 3 =  59   \n11. 7 + 3 + 8 =  18  12. 73 + 33 + 7 =  113   \n13. 32 + 7 + 3 =  42  14. 7 + 59 + 2 =  68   \n15. 2 + 6 + 74 =  82  16. 73 + 88 + 58 =  219   \n17. 86 + 6 + 78 =  170  18. 4 + 48 + 73 =  125   \n19. 1 + 9 + 6 =  16  20. 88 + 32 + 9 =  129","cbCairM83GYF1BOF","https://ap.wps.com/l/cbCairM83GYF1BOF","pdf",13698,"English","# Mental Math Practice\n## Answer Key","[{\"question\":\"What is the target age group for this addition worksheet?\",\"answer\":\"The worksheet is designed for students in Grade 4.\"},{\"question\":\"What type of math problems are included in this document?\",\"answer\":\"The document contains problems requiring the addition of three 1-digit and 2-digit numbers.\"},{\"question\":\"Does this worksheet provide the correct answers for the problems?\",\"answer\":\"Yes, the document includes a section that provides the sum for all twenty problems listed.\"}]","Grade 4 Addition - Mental Math Worksheet | PDF"]