[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-464873-105":59,"doc-detail-464873-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","finding-sum-with-rounding","Finding Sum with Rounding","","Works through the mental-math strategy of finding sums using rounding. Explains rounding one addend to the highest place value, solving the resulting simpler addition, then compensating by subtracting the amount added during the rounding step. Provides multiple problems in the form of two multi-digit addends and supplies an answer key showing the computed sums for each item.",{"@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/finding-sum-with-rounding/464873/",{"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/finding-sum-with-rounding/464873.png","ImageObject",300,407,{"name":92,"@type":93},"Emma Wilson","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-08","2026-09-30",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 rounding strategy is used to find the sum mentally?","Question",{"text":112,"@type":113},"Round one number to the highest place value, add mentally using the rounded value, then adjust by subtracting (or adding back) the amount changed by rounding.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Why do you subtract after rounding up?",{"text":117,"@type":113},"If the original number was rounded up, the rounded problem is larger than the true value by the difference, so subtracting that difference corrects the sum.",{"name":119,"@type":110,"acceptedAnswer":120},"What kind of problems are included in the worksheet?",{"text":121,"@type":113},"The worksheet provides many addition problems with two multi-digit numbers and an accompanying answer key listing the sums.","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},464873,1790818767,{"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":41,"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":143,"read_time":144},3848291630094,"https://eur-avatar.wpscdn.com/davatar_085a072bc5b1113ac321206ff7593b45","Finding Sum with Rounding  \nName:  \n\n| Use rounding strategies to find the sum.\u003Cbr>\u003Cbr> Now we can mentally add and find the \u003Cbr>Rather than lining up the place values, one strategy is to round to the highest place value and solve mentally.\u003Cbr>194 + 236 =\u003Cbr>In the example above 194 rounds up to 200. That would make our problem look like:\u003Cbr>200 + 236 =\u003Cbr>solution.\u003Cbr>200 + 236 = 436\u003Cbr>But since we added 6 to 194 (to make it 200), now we have to take 6 away.\u003Cbr>436-6 = 430\u003Cbr>And now we have our sum.\u003Cbr>\u003Cbr>1) 399 + 186 =   2) 98 + 103 =   3) 191 + 174 =   4) 197 + 760 =  \u003Cbr>5) 197 + 545 =   6) 95 + 643 =   7) 95 + 295 =   8) 291 + 418 =  \u003Cbr>9) 97 + 714 =   10) 292 + 334 =   11) 396 + 233 =   12) 93 + 113 =  \u003Cbr>13) 97 + 249 =   14) 293 + 293 =   15) 98 + 284 =   16) 295 + 645 =  \u003Cbr>17) 398 + 579 =   18) 397 + 151 =   19) 299 + 539 =   20) 92 + 151 =   | 1.\u003Cbr>2.\u003Cbr>3.\u003Cbr>4.\u003Cbr>5.\u003Cbr>6.\u003Cbr>7.\u003Cbr>8.\u003Cbr>9.\u003Cbr>10.\u003Cbr>11.\u003Cbr>12.\u003Cbr>13.\u003Cbr>14.\u003Cbr>15.\u003Cbr>16.\u003Cbr>17.\u003Cbr>18.\u003Cbr>19.\u003Cbr>20. | Answers |\n| --- | --- | --- |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n\nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n1  \n1-10 11-20  \n95  \n45  \n90  \n40  \n85  \n35  \n80  \n30  \n75  \n25  \n70  \n20  \n65  \n15  \n60  \n10  \n55  \n5  \n50  \n0  \nFinding Sum with Rounding  \nName: Answer Key  \n\n| Use rounding strategies to find the sum.\u003Cbr>\u003Cbr> Now we can mentally add and find the \u003Cbr>Rather than lining up the place values, one strategy is to round to the highest place value and solve mentally.\u003Cbr>194 + 236 =\u003Cbr>In the example above 194 rounds up to 200. That would make our problem look like:\u003Cbr>200 + 236 =\u003Cbr>solution.\u003Cbr>200 + 236 = 436\u003Cbr>But since we added 6 to 194 (to make it 200), now we have to take 6 away.\u003Cbr>436-6 = 430\u003Cbr>And now we have our sum.\u003Cbr>\u003Cbr>1) 399 + 186 =  585  2) 98 + 103 =  201 \u003Cbr>3) 191 + 174 =  365  4) 197 + 760 =  957 \u003Cbr>5) 197 + 545 =  742  6) 95 + 643 =  738 \u003Cbr>7) 95 + 295 =  390  8) 291 + 418 =  709 \u003Cbr>9) 97 + 714 =  811  10) 292 + 334 =  626 \u003Cbr>11) 396 + 233 =  629  12) 93 + 113 =  206 \u003Cbr>13) 97 + 249 =  346  14) 293 + 293 =  586 \u003Cbr>15) 98 + 284 =  382  16) 295 + 645 =  940 \u003Cbr>17) 398 + 579 =  977  18) 397 + 151 =  548 \u003Cbr>19) 299 + 539 =  838  20) 92 + 151 =  243  | Answers\u003Cbr>1.  585  2.  201  3.  365  4.  957  5.  742  6.  738  7.  390  8.  709  9.  811  10.  626  11.  629  12.  206  13.  346  14.  586  15.  382  16.  940  17.  977  18.  548  19.  838 \u003Cbr>20. 243 |\n| --- | --- |\n\nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n1  \n1-10 11-20  \n95  \n45  \n90  \n40  \n85  \n35  \n80  \n30  \n75  \n25  \n70  \n20  \n65  \n15  \n60  \n10  \n55  \n5  \n50  \n0  \nFinding Sum with Rounding  \nName:  \nUse rounding strategies to find the sum.  \nRather than lining up the place values, one strategy is to round to the highest place value and solve mentally.  \n194 + 236 =  \nIn the example above 194 rounds up to 200. That would make our problem look like:  \n200 + 236 =  \nNow we can mentally add and find the solution.  \n200 + 236 = 436  \nBut since we added 6 to 194 (to make it 200), now we have to take 6 away.  \n436-6 = 430  \nAnd now we have our sum.  \n742 626 957 709  \n365 390 811 206  \n629 738 585 201  \n1) 399 + 186 = 2) 98 + 103 =  \n3) 191 + 174 = 4) 197 + 760 =  \n5) 197 + 545 = 6) 95 + 643 =  \n7) 95 + 295 = 8) 291 + 418 =  \n9) 97 + 714 = 10) 292 + 334 =  \n11) 396 + 233 = 12) 93 + 113 =  \nAnswers  \n1.  \n2.  \n3.  \n4.  \n5.  \n6.  \n7.  \n8.  \n9.  \n10.  \n11.  \n12.  \nMath  \nModified  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n1  \n1-10 92  \n11-12 8  \n83  \n0  \n75 67 58 50 42 33 25 17  \nFinding Sum with Rounding  \nName:  \n\n| Use rounding strategies to find the sum.\u003Cbr>\u003Cbr> Now we can mentally add and find the \u003Cbr>Rather than lining up the place values, one strategy is to round to the highest place value and solve mentally.\u003Cbr>194 + 236 =\u003Cbr>In the ex","cbCaivFr0KeWwxpm","https://ap.wps.com/l/cbCaivFr0KeWwxpm","pdf",512165,"English","# Use rounding to find sums\n## Example strategy\n## Practice problems\n## Answer key","[{\"question\":\"What rounding strategy is used to find the sum mentally?\",\"answer\":\"Round one number to the highest place value, add mentally using the rounded value, then adjust by subtracting (or adding back) the amount changed by rounding.\"},{\"question\":\"Why do you subtract after rounding up?\",\"answer\":\"If the original number was rounded up, the rounded problem is larger than the true value by the difference, so subtracting that difference corrects the sum.\"},{\"question\":\"What kind of problems are included in the worksheet?\",\"answer\":\"The worksheet provides many addition problems with two multi-digit numbers and an accompanying answer key listing the sums.\"}]","Finding Sum with Rounding | PDF",1790768843,76]