[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-545871-105":59,"doc-detail-545871-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 developing mental math proficiency by requiring students to solve sums of two 2-digit numbers. The document provides a structured set of twenty practice problems designed to reinforce addition skills under the threshold of 100. By engaging with these exercises, learners can improve their speed, accuracy, and numerical fluency in basic arithmetic operations. The content includes a series of addition equations, complete with corresponding solutions for effective self-assessment and guided learning. This resource serves as a practical tool for primary school students to practice and master addition concepts in a clear, straightforward format suitable for classroom or independent study.",{"@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/545871/",{"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/545871.png","ImageObject",300,407,{"name":92,"@type":93},"Ezra","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-09","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 grade level for these addition exercises?","Question",{"text":112,"@type":113},"These exercises are designed for Grade 4 students to practice their mental math skills.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What specific math operation is covered in this worksheet?",{"text":117,"@type":113},"The worksheet covers addition, specifically focusing on adding two 2-digit numbers with sums generally under 100.",{"name":119,"@type":110,"acceptedAnswer":120},"Are the answers included in the document?",{"text":121,"@type":113},"Yes, the document provides the completed equations with their respective sums to facilitate checking 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},545871,1791775654,{"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 two 2-digit numbers  (sum under 100)   \nGrade 4 Addition Worksheet  \nFind the sum.  \n1. 19 + 67 =   2. 85 + 13 =   3. 46 + 47 =   4. 88 + 16 =   5. 81 + 18 =   6. 24 + 21 =   7. 12 + 47 =   8. 18 + 18 =   9. 24 + 53 =   10. 81 + 13 =   11. 62 + 2 =   12. 28 + 42 =   13. 75 + 16 =   14. 12 + 38 =   15. 91 + 5 =   16. 29 + 28 =   17. 78 + 16 =   18. 9 + 50 =    \n19. 22 + 58 =   20. 42 + 43 =    \nMental math: adding two 2-digit numbers  (sum under 100)   \nGrade 4 Addition Worksheet  \nFind the sum.  \n1. 19 + 67 =  86  2. 85 + 13 =  98   \n3. 46 + 47 =  93  4. 88 + 16 =  104   \n5. 81 + 18 =  99  6. 24 + 21 =  45   \n7. 12 + 47 =  59  8. 18 + 18 =  36   \n9. 24 + 53 =  77  10. 81 + 13 =  94   \n11. 62 + 2 =  64  12. 28 + 42 =  70   \n13. 75 + 16 =  91  14. 12 + 38 =  50   \n15. 91 + 5 =  96  16. 29 + 28 =  57   \n17. 78 + 16 =  94  18. 9 + 50 =  59   \n19. 22 + 58 =  80  20. 42 + 43 =  85","cbCaicxTYb9nv9E9","https://ap.wps.com/l/cbCaicxTYb9nv9E9","pdf",13168,"English","# Mental Math Addition Worksheet\n## Practice Problems and Solutions","[{\"question\":\"What is the target grade level for these addition exercises?\",\"answer\":\"These exercises are designed for Grade 4 students to practice their mental math skills.\"},{\"question\":\"What specific math operation is covered in this worksheet?\",\"answer\":\"The worksheet covers addition, specifically focusing on adding two 2-digit numbers with sums generally under 100.\"},{\"question\":\"Are the answers included in the document?\",\"answer\":\"Yes, the document provides the completed equations with their respective sums to facilitate checking work.\"}]","Grade 4 Addition Worksheet - Mental Math Adding Two 2-Digit Numbers | PDF"]