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The document provides a structured set of 18 practice problems, challenging students to determine the value required to complete each addition sentence correctly. By engaging with these exercises, young learners reinforce their understanding of place value and arithmetic operations. A comprehensive answer key is included at the end of the worksheet, allowing students and educators to verify solutions immediately and track academic progress effectively in a classroom or home-learning environment.",{"@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-2-addition-worksheet-adding-whole-tens-to-3-digit-numbers-with-missing-addends/548366/",{"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-2-addition-worksheet-adding-whole-tens-to-3-digit-numbers-with-missing-addends/548366.png","ImageObject",300,407,{"name":92,"@type":93},"\tCallum ","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-07","2026-10-12",true,{"@type":102,"interactionType":103,"userInteractionCount":14},"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 improve second-grade students' ability to find missing addends when adding whole tens to 3-digit numbers.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How many problems are included in this addition worksheet?",{"text":117,"@type":113},"The worksheet contains 18 individual addition problems followed by a complete answer key for self-assessment.",{"name":119,"@type":110,"acceptedAnswer":120},"What level of mathematics does this content target?",{"text":121,"@type":113},"This content is specifically tailored for Grade 2 level learners to practice and master basic 3-digit addition arithmetic.","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},548366,1791781729,{"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":14,"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","Add a 3-digit number with whole tens – missing addend   \nGrade 2 Addition Worksheet  \nFind the missing numbers:  \n1)   + 70 = 784 2) 603 +   = 663 3)   + 60 = 287  \n4)   + 30 = 471 5) 233 +   = 293 6) 709 +   = 759  \n7) 239 +   = 259 8) 430 +   = 460 9) 150 +   = 170  \n10) 525 +   = 545 11)   + 0 = 336 12) 816 +   = 846  \n13) 878 +   = 898 14)   + 70 = 782 15)   + 60 = 373  \n16) 855 +   = 895 17) 390 +   = 390 18) 134 +   = 174  \nAnswers  \n1) 714 2) 60 3) 227  \n4) 441 5) 60 6) 50  \n7) 20 8) 30 9) 20  \n10) 20 11) 336 12) 30  \n13) 20 14) 712 15) 313  \n16) 40 17) 0 18) 40","cbCaivjVRzJtLj0A","https://ap.wps.com/l/cbCaivjVRzJtLj0A","pdf",27874,"English","# Addition Practice Exercises\n## Answer Key","[{\"question\":\"What is the primary objective of this worksheet?\",\"answer\":\"The primary objective is to improve second-grade students' ability to find missing addends when adding whole tens to 3-digit numbers.\"},{\"question\":\"How many problems are included in this addition worksheet?\",\"answer\":\"The worksheet contains 18 individual addition problems followed by a complete answer key for self-assessment.\"},{\"question\":\"What level of mathematics does this content target?\",\"answer\":\"This content is specifically tailored for Grade 2 level learners to practice and master basic 3-digit addition arithmetic.\"}]","Grade 2 Addition Worksheet - Adding Whole Tens to 3-Digit Numbers with Missing Addends | PDF"]