[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-545969-105":59,"doc-detail-545969-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-missing-numbers-sum-under-1000","Grade 4 Addition Worksheet - Missing Numbers - Sum Under 1000","","This Grade 4 mathematics worksheet focuses on developing mental math skills through addition problems where one of the two addends is missing. The problems involve sums under 1,000, requiring students to determine the unknown value to complete each equation accurately. The document includes a total of 20 practice problems, providing both the exercises and a corresponding answer key for self-assessment. It is an excellent resource for students to strengthen their addition proficiency and number sense in an educational setting.",{"@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-missing-numbers-sum-under-1000/545969/",{"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-missing-numbers-sum-under-1000/545969.png","ImageObject",300,407,{"name":92,"@type":93},"Ezra","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-03","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 goal of this worksheet?","Question",{"text":112,"@type":113},"The goal is to practice mental math by identifying missing numbers in addition equations where the sum is less than 1,000.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Who is the target audience for this document?",{"text":117,"@type":113},"This document is designed for Grade 4 students to reinforce their basic arithmetic and addition skills.",{"name":119,"@type":110,"acceptedAnswer":120},"Does the document provide the solutions?",{"text":121,"@type":113},"Yes, the second page of the worksheet provides the complete answer key for all 20 addition 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},545969,1791775855,{"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: missing numbers  \n (sum under 1,000)   \nGrade 4 Addition Worksheet  \nFind the missing number.  \n1.   + 227 = 255 2. 28 + 594 =    \n3.   + 895 = 900 4.   + 774 = 864  \n5.   + 652 = 724 6. 82 +   = 296  \n7. 29 +   = 433 8. 65 +   = 114  \n9. 15 +   = 160 10. 45 + 56 =    \n11. 50 + 51 =   12.   + 231 = 322  \n13. 40 +   = 956 14. 91 +   = 391  \n15.   + 131 = 165 16. 7 + 804 =    \n17. 39 +   = 694 18.   + 302 = 306  \n19. 50 +   = 599 20. 43 +   = 795  \nMental math: missing numbers  \n (sum under 1,000)   \nGrade 4 Addition Worksheet  \nFind the missing number.  \n1.  28  + 227 = 255 2. 28 + 594 =  622   \n3.  5  + 895 = 900 4.  90  + 774 = 864  \n5.  72  + 652 = 724 6. 82 +  214 = 296  \n7. 29 +  404 = 433 8. 65 +  49  = 114  \n9. 15 +  145 = 160 10. 45 + 56 =  101   \n11. 50 + 51 =  101  12.  91  + 231 = 322  \n13. 40 +  916 = 956 14. 91 +  300 = 391  \n15.  34  + 131 = 165 16. 7 + 804 =  811   \n17. 39 +  655 = 694 18.  4  + 302 = 306  \n19. 50 +  549 = 599 20. 43 +  752 = 795","cbCaioX9UwvZBl9R","https://ap.wps.com/l/cbCaioX9UwvZBl9R","pdf",13442,"English","# Mental Math Exercises\n## Answer Key","[{\"question\":\"What is the goal of this worksheet?\",\"answer\":\"The goal is to practice mental math by identifying missing numbers in addition equations where the sum is less than 1,000.\"},{\"question\":\"Who is the target audience for this document?\",\"answer\":\"This document is designed for Grade 4 students to reinforce their basic arithmetic and addition skills.\"},{\"question\":\"Does the document provide the solutions?\",\"answer\":\"Yes, the second page of the worksheet provides the complete answer key for all 20 addition problems.\"}]","Grade 4 Addition Worksheet - Missing Numbers - Sum Under 1000 | PDF"]