[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-545860-105":59,"doc-detail-545860-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-worksheet-mental-math-adding-two-2-digit-numbers","Grade 4 Addition Worksheet - Mental Math Adding Two 2-Digit Numbers","","This Grade 4 Addition Worksheet focuses on improving mental math skills through the addition of two-digit numbers without carrying. The document provides a comprehensive set of 20 practice problems, designed to strengthen students' proficiency in quick arithmetic and numerical computation. Each problem is presented clearly, followed by an answer key to facilitate self-assessment and reinforce learning accuracy. It serves as an essential resource for students to master basic addition techniques and build confidence in their mathematical abilities through structured, repetitive practice. The worksheet is ideal for classroom use, homework assignments, or supplementary learning activities aimed at primary school mathematics curriculum development.",{"@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-worksheet-mental-math-adding-two-2-digit-numbers/545860/",{"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-worksheet-mental-math-adding-two-2-digit-numbers/545860.png","ImageObject",300,407,{"name":92,"@type":93},"Oliver","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-08","2026-10-12",true,{"@type":102,"interactionType":103,"userInteractionCount":81},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What type of math problems are included in this worksheet?","Question",{"text":112,"@type":113},"This worksheet contains 20 problems involving the addition of two-digit numbers without carrying, specifically designed for mental math practice.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Who is the target audience for this worksheet?",{"text":117,"@type":113},"This worksheet is designed for students in Grade 4 to practice and reinforce their addition skills.",{"name":119,"@type":110,"acceptedAnswer":120},"Does the document include solutions?",{"text":121,"@type":113},"Yes, the document provides an answer key for all 20 addition problems to help students verify their work.","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},545860,1791775624,{"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":81,"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},8796095461610,"https://ap-avatar.wpscdn.com/davatar_276721f389ce27ea32af1340a28f341c","Mental math: adding two 2-digit numbers  (no carrying)   \nGrade 4 Addition Worksheet  \nFind the sum.  \n1. 22 + 21 =   2. 39 + 20 =   3. 3 + 4 =   4. 69 + 20 =   5. 22 + 12 =   6. 20 + 13 =   7. 48 + 30 =   8. 34 + 35 =   9. 34 + 43 =   10. 49 + 20 =   11. 4 + 10 =   12. 14 + 40 =   13. 83 + 13 =   14. 10 + 37 =   15. 81 + 15 =   16. 26 + 40 =   17. 30 + 21 =   18. 40 + 22 =    \n19. 73 + 13 =   20. 53 + 26 =    \nMental math: adding two 2-digit numbers  (no carrying)   \nGrade 4 Addition Worksheet  \nFind the sum.  \n1. 22 + 21 =  43  2. 39 + 20 =  59   \n3. 3 + 4 =  7  4. 69 + 20 =  89   \n5. 22 + 12 =  34  6. 20 + 13 =  33   \n7. 48 + 30 =  78  8. 34 + 35 =  69   \n9. 34 + 43 =  77  10. 49 + 20 =  69   \n11. 4 + 10 =  14  12. 14 + 40 =  54   \n13. 83 + 13 =  96  14. 10 + 37 =  47   \n15. 81 + 15 =  96  16. 26 + 40 =  66   \n17. 30 + 21 =  51  18. 40 + 22 =  62   \n19. 73 + 13 =  86  20. 53 + 26 =  79","cbCaiaqZFqlZdz1p","https://ap.wps.com/l/cbCaiaqZFqlZdz1p","pdf",13159,"English","# Mental Math Addition Practice\n## Answer Key","[{\"question\":\"What type of math problems are included in this worksheet?\",\"answer\":\"This worksheet contains 20 problems involving the addition of two-digit numbers without carrying, specifically designed for mental math practice.\"},{\"question\":\"Who is the target audience for this worksheet?\",\"answer\":\"This worksheet is designed for students in Grade 4 to practice and reinforce their addition skills.\"},{\"question\":\"Does the document include solutions?\",\"answer\":\"Yes, the document provides an answer key for all 20 addition problems to help students verify their work.\"}]","Grade 4 Addition Worksheet - Mental Math Adding Two 2-Digit Numbers | PDF"]