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It includes twenty distinct mathematical problems requiring the summation of three numbers, each being a multiple of 100. Designed as an educational learning resource for primary school students, the worksheet includes both the practice exercises and a comprehensive answer key. It serves as an effective tool for students to reinforce their mental math proficiency, improve calculation accuracy with multi-digit numbers, and build foundational arithmetic confidence. The content is presented in a clear, straightforward format suitable for classroom or independent home study 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/adding-whole-hundreds-grade-3-addition-worksheet/545167/",{"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/adding-whole-hundreds-grade-3-addition-worksheet/545167.png","ImageObject",300,407,{"name":92,"@type":93},"Ivy","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-07","2026-10-12",true,{"@type":102,"interactionType":103,"userInteractionCount":29},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the primary focus of this worksheet?","Question",{"text":112,"@type":113},"This worksheet focuses on practicing addition of three whole hundreds for third-grade students.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How many addition problems are included in this document?",{"text":117,"@type":113},"There are twenty addition problems provided in this worksheet.",{"name":119,"@type":110,"acceptedAnswer":120},"Does the document provide the solutions to the math problems?",{"text":121,"@type":113},"Yes, the document includes an answer key listing the sums for all twenty 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},545167,1791773969,{"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":29,"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},549758252649,"https://ap-avatar.wpscdn.com/avatar/8000253669c5317157?_k=1778319167496531819","Adding whole hundreds (3 addends)   \nGrade 3 Addition Worksheet  \nFind the sum.  \n1. 400 + 900 + 700 =   2. 700 + 100 + 200 =   3. 400 + 300 + 900 =   4. 800 + 400 + 900 =   5. 200 + 200 + 300 =   6. 600 + 600 + 400 =   7. 100 + 900 + 900 =   8. 400 + 700 + 200 =   9. 600 + 800 + 400 =   10. 400 + 600 + 900 =   11. 200 + 600 + 100 =   12. 400 + 500 + 500 =   13. 200 + 900 + 400 =   14. 600 + 300 + 800 =   15. 700 + 600 + 600 =   16. 800 + 300 + 400 =   17. 600 + 900 + 700 =   18. 700 + 300 + 800 =    \n19. 700 + 900 + 200 =   20. 600 + 100 + 200 =    \nAdding whole hundreds (3 addends)   \nGrade 3 Addition Worksheet  \nFind the sum.  \n1. 400 + 900 + 700 =  2,000  2. 700 + 100 + 200 =  1,000   \n3. 400 + 300 + 900 =  1,600  4. 800 + 400 + 900 =  2,100   \n5. 200 + 200 + 300 =  700  6. 600 + 600 + 400 =  1,600   \n7. 100 + 900 + 900 =  1,900  8. 400 + 700 + 200 =  1,300   \n9. 600 + 800 + 400 =  1,800  10. 400 + 600 + 900 =  1,900   \n11. 200 + 600 + 100 =  900  12. 400 + 500 + 500 =  1,400   \n13. 200 + 900 + 400 =  1,500  14. 600 + 300 + 800 =  1,700   \n15. 700 + 600 + 600 =  1,900  16. 800 + 300 + 400 =  1,500   \n17. 600 + 900 + 700 =  2,200  18. 700 + 300 + 800 =  1,800   \n19. 700 + 900 + 200 =  1,800  20. 600 + 100 + 200 =  900","cbCaicAWmBGX2Xz2","https://ap.wps.com/l/cbCaicAWmBGX2Xz2","pdf",14373,"English","# Adding Whole Hundreds Exercises\n## Answer Key","[{\"question\":\"What is the primary focus of this worksheet?\",\"answer\":\"This worksheet focuses on practicing addition of three whole hundreds for third-grade students.\"},{\"question\":\"How many addition problems are included in this document?\",\"answer\":\"There are twenty addition problems provided in this worksheet.\"},{\"question\":\"Does the document provide the solutions to the math problems?\",\"answer\":\"Yes, the document includes an answer key listing the sums for all twenty problems.\"}]","Adding Whole Hundreds - Grade 3 Addition Worksheet | PDF"]