[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-357403-105":59,"doc-detail-357403-en":135},{"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":128,"head_meta":130,"extra_data":132,"updated_unix":134},105,"en","estimate-sums-rounding-to-the-nearest-10-and-100","Estimate Sums - Rounding to the Nearest 10 and 100","","Worksheet for estimating sums by rounding addends to specified place values. Part A requires rounding each addend to the nearest 10 and recording the estimated sum for problems 1–6. Part B requires rounding each addend to the nearest 100 for problems 7–12. Part C asks students to decide whether to round to the nearest 10 or 100 for given sums (13–16), plus a challenge problem comparing estimates and explaining which is closer. Includes an answer key.",{"@graph":69,"@context":127},[70,84,106],{"@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/estimate-sums-rounding-to-the-nearest-10-and-100/357403/",{"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/estimate-sums-rounding-to-the-nearest-10-and-100/357403.png","ImageObject",300,407,{"name":92,"@type":93},"Emma Wilson","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-05","2026-09-23",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",15,{"@type":107,"mainEntity":108},"FAQPage",[109,115,119,123],{"name":110,"@type":111,"acceptedAnswer":112},"How does Part A estimate sums?","Question",{"text":113,"@type":114},"Part A rounds each addend to the nearest 10, then uses those rounded numbers to estimate the sum.","Answer",{"name":116,"@type":111,"acceptedAnswer":117},"How does Part B estimate sums?",{"text":118,"@type":114},"Part B rounds each addend to the nearest 100 before calculating the estimated sum.",{"name":120,"@type":111,"acceptedAnswer":121},"In Part C, how do you choose whether to round to the nearest 10 or 100?",{"text":122,"@type":114},"You follow the directions for each problem to round each addend to the indicated place value, then estimate the sum.",{"name":124,"@type":111,"acceptedAnswer":125},"What does the challenge problem ask students to determine?",{"text":126,"@type":114},"It asks students to estimate the total tickets sold by rounding to the nearest 10 and nearest 100, then decide which estimate is closer to the exact total and explain why.","https://schema.org",{"og:url":83,"og:type":129,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":131,"canonical":83},"index,follow",{"doc_id":133,"site_id":62},357403,1790189182,{"code":4,"msg":5,"data":136},{"doc_id":133,"user_id":137,"nickname":92,"user_avatar":138,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":139,"file_id":140,"file_url":141,"file_type":142,"file_size":143,"view_count":105,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":81,"language":144,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":145,"faqs":146,"seo_title":147,"seo_description":67,"update_tm":148,"read_time":39,"preview_page_count":4},3848291630094,"https://eur-avatar.wpscdn.com/davatar_085a072bc5b1113ac321206ff7593b45","Name:  \n_________________________________________  \nEstimate Sums (Rounding to the Nearest 10 and 100)Directions: Estimate each sum by rounding first.  \n• In Part A, round each addend to the nearest 10.  \n• In Part B, round each addend to the nearest 100.  \n• In Part C, choose whether to round to the nearest 10 or 100 (as directed) .  \nPart A — Round to the nearest 10 (1–6)  \n1. 47 + 32 ≈    \n2. 68 + 19 ≈    \n3. 125 + 44 ≈    \n4. 307 + 58 ≈    \n5. 86 + 73 ≈    \n6. 214 + 197 ≈    \nPart B — Round to the nearest 100 (7–12)  \n7. 342 + 519 ≈    \n8. 805 + 276 ≈    \n9. 1,248 + 3,602 ≈    \n10. 4,091 + 2,388 ≈  \n11. 6,450 + 1,775 ≈  \n12. 9,999 + 5,125 ≈  \n________  \n________  \n________  \n# Part C — Choose the rounding (13–16)\n\nDirections: Round each addend to the place shown, then estimate.  \n13. Round to the nearest 10: 438 + 267 ≈    \n14. Round to the nearest 100: 1,275 + 2,641 ≈    \n15. Round to the nearest 10: 590 + 184 ≈    \n16. Round to the nearest 100: 3,499 + 6,501 ≈    \n1  \nMashup Math LLC | All Rights Reserved | Get More K-12 Math Worksheets at www.mashupmath.com  \nChallenge Problem (Show your thinking)  \n17.A school sold 387 tickets on Friday and 614 tickets on Saturday.  \na) Estimate the total by rounding to the nearest 10:    \nb) Estimate the total by rounding to the nearest 100:    \nc) Which estimate (nearest 10 or nearest 100) will be closer to the exact total?  \nCircle one: 10 / 100  \nd) Explain in one sentence why:  \n2  \nMashup Math LLC | All Rights Reserved | Get More K-12 Math Worksheets at www.mashupmath.com  \n# Answer Key\n\nPart A — Nearest 10  \n1. 80  \n2. 90  \n3. 170  \n4. 370  \n5. 160  \n6. 410  \nPart B — Nearest 100  \n7. 800  \n8. 1,100  \n9. 4,800  \n10. 6,500  \n11. 8,300  \n12. 15,100  \nPart C  \n13. 710  \n14. 3,900  \n15. 770  \n16. 10,000  \n# Challenge Problem\n\n17a) 1,00017b) 1,00017c) Both (tie)  \n17d) Example sentence: Both estimates are equally close because the exact total is1,001, which is only 1 away from 1,000 .  \n3  \nMashup Math LLC | All Rights Reserved | Get More K-12 Math Worksheets at www.mashupmath.com","cbCaiuHQUFxxztEe","https://ap.wps.com/l/cbCaiuHQUFxxztEe","pdf",1326399,"English","# Part A — Round to the nearest 10\n# Part B — Round to the nearest 100\n# Part C — Choose the rounding\n# Challenge Problem\n# Answer Key","[{\"question\":\"How does Part A estimate sums?\",\"answer\":\"Part A rounds each addend to the nearest 10, then uses those rounded numbers to estimate the sum.\"},{\"question\":\"How does Part B estimate sums?\",\"answer\":\"Part B rounds each addend to the nearest 100 before calculating the estimated sum.\"},{\"question\":\"In Part C, how do you choose whether to round to the nearest 10 or 100?\",\"answer\":\"You follow the directions for each problem to round each addend to the indicated place value, then estimate the sum.\"},{\"question\":\"What does the challenge problem ask students to determine?\",\"answer\":\"It asks students to estimate the total tickets sold by rounding to the nearest 10 and nearest 100, then decide which estimate is closer to the exact total and explain why.\"}]","Estimate Sums - Rounding to the Nearest 10 and 100 | PDF",1790129957]