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Instructions require rounding each number to a specified place value (nearest 100 or nearest 10), then computing an approximate result for multiple problems involving addition and subtraction of positive and negative integers. The document provides the numbered answer list corresponding to each item, enabling quick self-check of estimated outcomes for 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is the main method used to solve these problems?","Question",{"text":112,"@type":113},"Round each integer to the given place value first, then estimate the sum or difference using the rounded values.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"When should you round to the nearest 100 versus the nearest 10?",{"text":117,"@type":113},"Use nearest 100 when the problem specifies (to the nearest 100), and use nearest 10 when it specifies (to the nearest 10).",{"name":119,"@type":110,"acceptedAnswer":120},"How can I check my answers?",{"text":121,"@type":113},"Match each problem number (1 through 20) with the corresponding value in the provided answer key list.","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},478363,1792941877,{"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":81,"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":39},7971474921005,"https://ap-avatar.wpscdn.com/davatar_29158cc5080c5b710cf443261637dec0","Estimating Integer Sums and Differences  \nName:  \nRound each number, then estimate the answer.  \n1) -469 − 411 2) 875 + (-231)(to the nearest 100) (to the nearest 100)  \n3) -31 − 24 4) -56 + (-15)(to the nearest 10) (to the nearest 10)  \n5) 79 + (-42) 6) -369 − (-727)(to the nearest 10) (to the nearest 100)  \n7) -856 + 494 8) -742 − (-507)(to the nearest 100) (to the nearest 100)  \n9) 41 − (-89) 10) 29 + (-54)(to the nearest 10) (to the nearest 10)  \n11) -367 + (-685) 12) 873 − (-587)(to the nearest 100) (to the nearest 100)  \n13) -63 − 38 14) -169 + 715 (to the nearest 10) (to the nearest 100)  \n15) 378 − (-405) 16) 230 + (-350)(to the nearest 100) (to the nearest 100)  \n17) -834 + (-547) 18) 84 − (-78)(to the nearest 100) (to the nearest 10)  \n19) -39 − (-52) 20) -21 + (-74)(to the nearest 10) (to the nearest 10)  \nAnswers  \n1.  \n2.  \n3.  \n4.  \n5.  \n6.  \n7.  \n8.  \n9.  \n10.  \n11.  \n12.  \n13.  \n14.  \n15.  \n16.  \n17.  \n18.  \n19.  \n20.  \nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n2  \n1-10 11-20  \n95  \n45  \n90  \n40  \n85  \n35  \n80  \n30  \n75  \n25  \n70  \n20  \n65  \n15  \n60  \n10  \n55  \n5  \n50  \n0  \nEstimating Integer Sums and Differences  \nName: Answer Key  \n\n| Round each number, then estimate the answer.\u003Cbr>1) -469 − 411 2) 875 + (-231)(to the nearest 100) (to the nearest 100)\u003Cbr>3) -31 − 24 4) -56 + (-15)(to the nearest 10) (to the nearest 10)\u003Cbr>5) 79 + (-42) 6) -369 − (-727)(to the nearest 10) (to the nearest 100)\u003Cbr>7) -856 + 494 8) -742 − (-507)(to the nearest 100) (to the nearest 100)\u003Cbr>9) 41 − (-89) 10) 29 + (-54)(to the nearest 10) (to the nearest 10)\u003Cbr>11) -367 + (-685) 12) 873 − (-587)(to the nearest 100) (to the nearest 100)\u003Cbr>13) -63 − 38 14) -169 + 715 (to the nearest 10) (to the nearest 100)\u003Cbr>15) 378 − (-405) 16) 230 + (-350)(to the nearest 100) (to the nearest 100)\u003Cbr>17) -834 + (-547) 18) 84 − (-78)(to the nearest 100) (to the nearest 10)\u003Cbr>19) -39 − (-52) 20) -21 + (-74)(to the nearest 10) (to the nearest 10) | Answers 1.  -900  2.  700  3.  -50  4.  -80  5.  40  6.  300  7.  -400  8.  -200  9.  130  10.  -20 \u003Cbr>11.  -1,100  12.  1,500  13.  -100 \u003Cbr>14.  500 \u003Cbr>15.  800 \u003Cbr>16.  -200 \u003Cbr>17.  -1,300  18.  160  19.  10 \u003Cbr>20. -90 |\n| --- | --- |\n\nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n2  \n1-10 11-20  \n95  \n45  \n90  \n40  \n85  \n35  \n80  \n30  \n75  \n25  \n70  \n20  \n65  \n15  \n60  \n10  \n55  \n5  \n50  \n0  \nEstimating Integer Sums and Differences  \nName:  \n\n| Round each number, then estimate the answer.\u003Cbr>1) -469 − 411 2) 875 + (-231)(to the nearest 100) (to the nearest 100)\u003Cbr>3) -31 − 24 4) -56 + (-15)(to the nearest 10) (to the nearest 10)\u003Cbr>5) 79 + (-42) 6) -369 − (-727)(to the nearest 10) (to the nearest 100)\u003Cbr>7) -856 + 494 8) -742 − (-507)(to the nearest 100) (to the nearest 100)\u003Cbr>9) 41 − (-89) 10) 29 + (-54)(to the nearest 10) (to the nearest 10)\u003Cbr>11) -367 + (-685) 12) 873 − (-587)(to the nearest 100) (to the nearest 100) |  |  |  |  |  |  |  | Answers\u003Cbr>1.  \u003Cbr>2.  \u003Cbr>3.  \u003Cbr>4.  \u003Cbr>5.  \u003Cbr>6.  \u003Cbr>7.  \u003Cbr>8.  \u003Cbr>9.  \u003Cbr>10.  \u003Cbr>11.  \u003Cbr>12.   |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| \u003Cbr>Math | Modified\u003Cbr>[www.CommonCoreSheets.com](www.CommonCoreSheets.com) | 2 | 1-10\u003Cbr>11-12 | 92 | 83 | 75 | 67 |  | 58 | 50 | 42 | 33 | 25 | 17 |\n|  |  |  |  | 8 | 0 |  |  |  |  |  |  |  |  |  |","cbCaivI4CFlH7Np3","https://ap.wps.com/l/cbCaivI4CFlH7Np3","pdf",43282,"English","# Round and estimate strategy\n## Nearest 100 and nearest 10\n# Problem set (1–20)\n## Addition and subtraction of integers\n## Answer key","[{\"question\":\"What is the main method used to solve these problems?\",\"answer\":\"Round each integer to the given place value first, then estimate the sum or difference using the rounded values.\"},{\"question\":\"When should you round to the nearest 100 versus the nearest 10?\",\"answer\":\"Use nearest 100 when the problem specifies (to the nearest 100), and use nearest 10 when it specifies (to the nearest 10).\"},{\"question\":\"How can I check my answers?\",\"answer\":\"Match each problem number (1 through 20) with the corresponding value in the provided answer key list.\"}]","Estimating Integer Sums and Differences - Answer Key | PDF",1790791391]