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The document provides sixteen specific practice problems designed to strengthen a student's ability to identify missing values in equations where the sums are multiples of one hundred. Each problem challenges the learner to solve for the unknown variable, thereby reinforcing place value understanding and basic arithmetic operations. The worksheet also includes a complete answer key, allowing for immediate self-assessment and educational feedback. This resource is tailored for elementary school students to build proficiency and confidence in basic addition skills, serving as an effective tool for classroom instruction or home practice environments.",{"@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-3-addition-worksheet-adding-whole-hundreds-missing-addends/548406/",{"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-3-addition-worksheet-adding-whole-hundreds-missing-addends/548406.png","ImageObject",300,407,{"name":92,"@type":93},"\tCallum ","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-06","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 is the primary objective of this worksheet?","Question",{"text":112,"@type":113},"The primary objective is to help Grade 3 students practice addition of whole hundreds by finding missing addends in mathematical equations.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How many problems are included in this addition worksheet?",{"text":117,"@type":113},"There are 16 problems provided in the worksheet for students to solve.",{"name":119,"@type":110,"acceptedAnswer":120},"Does the document provide the solutions to the practice problems?",{"text":121,"@type":113},"Yes, a complete list of answers for all 16 problems is included at the end of the worksheet for verification.","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},548406,1791781805,{"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},137451211410,"https://ap-avatar.wpscdn.com/avatar/2000bb0a9246f588df?x-image-process=image/resize,m_fixed,w_180,h_180&k=1786362646172706240","Adding whole hundreds – missing addends   \nGrade 3 Addition Worksheet  \nFind the missing numbers:  \n1) 400 +   = 500  \n3) 100 +   = 1100  \n5)   + 800 = 1300  \n7) 700 +   = 1600  \n9)   + 900 = 1400  \n11)   + 800 = 800  \n13)   + 600 = 1100  \n15)   + 300 = 1200  \n2) 400 +   = 800  \n4) 500 +   = 600  \n6) 300 +   = 600  \n8)   + 500 = 1400  \n10) 500 +   = 800  \n12)   + 400 = 700  \n14) 500 +   = 900  \n16) 900 +   = 1200  \nAnswers  \n1) 100 2) 400  \n3) 1000 4) 100  \n5) 500 6) 300  \n7) 900 8) 900  \n9) 500 10) 300  \n11) 0 12) 300  \n13) 500 14) 400  \n15) 900 16) 300","cbCaihJLlKSPcoaS","https://ap.wps.com/l/cbCaihJLlKSPcoaS","pdf",27207,"English","# Addition Exercises\n## Answer Key","[{\"question\":\"What is the primary objective of this worksheet?\",\"answer\":\"The primary objective is to help Grade 3 students practice addition of whole hundreds by finding missing addends in mathematical equations.\"},{\"question\":\"How many problems are included in this addition worksheet?\",\"answer\":\"There are 16 problems provided in the worksheet for students to solve.\"},{\"question\":\"Does the document provide the solutions to the practice problems?\",\"answer\":\"Yes, a complete list of answers for all 16 problems is included at the end of the worksheet for verification.\"}]","Grade 3 Addition Worksheet - Adding Whole Hundreds - Missing Addends | PDF"]