[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-545876-105":59,"doc-detail-545876-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-addition-worksheet-grade-4-adding-3-digit-and-1-digit-numbers","Mental Math Addition Worksheet - Grade 4 - Adding 3-Digit and 1-Digit Numbers","","This Grade 4 mathematics document provides a comprehensive mental math addition worksheet focused on the addition of three-digit and one-digit numbers. It includes twenty carefully structured problems designed to enhance student fluency in basic arithmetic operations, particularly those involving regrouping and sum calculation. The worksheet serves as an excellent resource for classroom practice or home-based learning, allowing students to develop mental computation speed and accuracy. Each problem is presented clearly, with an accompanying answer key provided at the end of the document to facilitate independent checking and performance assessment. This resource is an effective tool for reinforcing core addition skills necessary for success in elementary mathematics curriculums.",{"@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-addition-worksheet-grade-4-adding-3-digit-and-1-digit-numbers/545876/",{"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-addition-worksheet-grade-4-adding-3-digit-and-1-digit-numbers/545876.png","ImageObject",300,407,{"name":92,"@type":93},"Ezra","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-08","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 primary objective of this worksheet?","Question",{"text":112,"@type":113},"The primary objective is to help fourth-grade students practice mental math by adding three-digit numbers and one-digit numbers.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How many addition problems are included in this document?",{"text":117,"@type":113},"The worksheet contains twenty specific addition problems ranging from 457 + 2 to 475 + 3.",{"name":119,"@type":110,"acceptedAnswer":120},"Is there a provided solution for these math problems?",{"text":121,"@type":113},"Yes, the document includes a complete answer key that provides the calculated sums for all twenty problems.","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},545876,1791775668,{"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 3-digit and 1-digit numbers  \nGrade 4 Addition Worksheet  \nFind the sum .  \n1. 457 + 2 =   2. 455 + 5 =    \n3. 797 + 7 =   4. 749 + 7 =   5. 868 + 2 =   6. 713 + 7 =   7. 455 + 8 =   8. 322 + 6 =   9. 824 + 2 =   10. 998 + 4 =    \n11. 343 + 1 =   12. 964 + 1 =   13. 552 + 6 =   14. 131 + 2 =   15. 157 + 5 =   16. 982 + 4 =   17. 110 + 4 =   18. 481 + 6 =   19. 484 + 3 =   20. 475 + 3 =    \nMental math: adding 3-digit and 1-digit numbers  \nGrade 4 Addition Worksheet  \nFind the sum .  \n1. 457 + 2 =  459  2. 455 + 5 =  460   \n3. 797 + 7 =  804  4. 749 + 7 =  756   \n5. 868 + 2 =  870  6. 713 + 7 =  720   \n7. 455 + 8 =  463  8. 322 + 6 =  328   \n9. 824 + 2 =  826  10. 998 + 4 =  1,002   \n11. 343 + 1 =  344  12. 964 + 1 =  965   \n13. 552 + 6 =  558  14. 131 + 2 =  133   \n15. 157 + 5 =  162  16. 982 + 4 =  986   \n17. 110 + 4 =  114  18. 481 + 6 =  487   \n19. 484 + 3 =  487  20. 475 + 3 =  478","cbCaihXtwB1toC0Y","https://ap.wps.com/l/cbCaihXtwB1toC0Y","pdf",14112,"English","# Mental Math Addition Practice\n## Answer Key","[{\"question\":\"What is the primary objective of this worksheet?\",\"answer\":\"The primary objective is to help fourth-grade students practice mental math by adding three-digit numbers and one-digit numbers.\"},{\"question\":\"How many addition problems are included in this document?\",\"answer\":\"The worksheet contains twenty specific addition problems ranging from 457 + 2 to 475 + 3.\"},{\"question\":\"Is there a provided solution for these math problems?\",\"answer\":\"Yes, the document includes a complete answer key that provides the calculated sums for all twenty problems.\"}]","Mental Math Addition Worksheet - Grade 4 - Adding 3-Digit and 1-Digit Numbers | PDF"]