[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-480497-105":3,"detail-sidebar-cat-0-en-105":81,"doc-detail-480497-en":130},{"code":4,"msg":5,"data":6},0,"ok",{"site_id":7,"language":8,"slug":9,"title":10,"keywords":11,"description":12,"schema_data":13,"social_meta":74,"head_meta":76,"extra_data":78,"updated_unix":80},105,"en","estimating-products-by-rounding-answer-key","Estimating Products by Rounding - Answer Key","","Rounding-based multiplication worksheet focused on estimating products. Each problem instructs students to round every factor to its greatest place value, then multiply the rounded numbers to form an estimate. The content includes multiple practice items with given factor pairs and matching approximate answers, supported by a consolidated answer key section for checking results. Designed for math practice aligned to estimating skills and place-value 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product.\u003Cbr>1) 764 × 3 ≈   2) 86 × 81 ≈   |  |  |  |  |  | 1. | Answers |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  |  |  |  |  |  |  |\n| 3)\u003Cbr>5)\u003Cbr>7)\u003Cbr>9)\u003Cbr>11)\u003Cbr>13)\u003Cbr>15)\u003Cbr>17)\u003Cbr>19) | 844 × 3 ≈\u003Cbr>866 × 9 ≈\u003Cbr>221 × 8 ≈\u003Cbr>590 × 3 ≈\u003Cbr>491 × 4 ≈\u003Cbr>225 × 3 ≈\u003Cbr>355 × 9 ≈\u003Cbr>399 × 8 ≈\u003Cbr>322 × 6 ≈ |  | 4)\u003Cbr>6)\u003Cbr>8)\u003Cbr>10)\u003Cbr>12)\u003Cbr>14)\u003Cbr>16)\u003Cbr>18)\u003Cbr>20) | 21 × 27 ≈\u003Cbr>33 × 64 ≈\u003Cbr>43 × 38 ≈\u003Cbr>34 × 59 ≈\u003Cbr>81 × 99 ≈\u003Cbr>37 × 67 ≈\u003Cbr>23 × 74 ≈\u003Cbr>63 × 24 ≈\u003Cbr>88 × 72 ≈ |  | 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. |  |\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)  \n9  \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 Products by Rounding  \nName: Answer Key  \n\n| Round each factor to its greatest place value, then multiply to estimate the |  |  |  | Answers |\n| --- | --- | --- | --- | --- |\n| product.\u003Cbr>1) 764 × 3 ≈  2,400  | 2) | 86 × 81 ≈  7,200  | 1. | 2,400 |\n|  |  |  |  |  |\n| 3) 844 × 3 ≈  2,400  | 4) | 21 × 27 ≈  600  | 2.\u003Cbr>3. | 7,200 |\n|  |  |  |  | 2,400 |\n|  |  |  |  |  |\n| 5) 866 × 9 ≈  8,100 \u003Cbr>7) 221 × 8 ≈  1,600 \u003Cbr>9) 590 × 3 ≈  1,800 \u003Cbr>11) 491 × 4 ≈  2,000 \u003Cbr>13) 225 × 3 ≈  600 \u003Cbr>15) 355 × 9 ≈  3,600 \u003Cbr>17) 399 × 8 ≈  3,200 \u003Cbr>19) 322 × 6 ≈  1,800  | 6)\u003Cbr>8)\u003Cbr>10)\u003Cbr>12)\u003Cbr>14)\u003Cbr>16)\u003Cbr>18)\u003Cbr>20) | 33 × 64 ≈  1,800 \u003Cbr>43 × 38 ≈  1,600 \u003Cbr>34 × 59 ≈  1,800 \u003Cbr>81 × 99 ≈  8,000 \u003Cbr>37 × 67 ≈  2,800 \u003Cbr>23 × 74 ≈  1,400 \u003Cbr>63 × 24 ≈  1,200 \u003Cbr>88 × 72 ≈  6,300  | 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. | 600 |\n|  |  |  |  | 8,100 |\n|  |  |  |  | 1,800 |\n|  |  |  |  | 1,600 |\n|  |  |  |  | 1,600 |\n|  |  |  |  | 1,800 |\n|  |  |  |  | 1,800 |\n|  |  |  |  | 2,000 |\n|  |  |  |  | 8,000 |\n|  |  |  |  | 600 |\n|  |  |  |  | 2,800 |\n|  |  |  |  | 3,600 |\n|  |  |  |  | 1,400 |\n|  |  |  |  | 3,200 |\n|  |  |  |  | 1,200 |\n|  |  |  |  | 1,800 |\n|  |  |  |  | 6,300 |\n\nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n9  \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 Products by Rounding  \nName:  \n\n| Round each factor to its greatest place value, then multiply to estimate the product.\u003Cbr>1) 764 × 3 ≈   2) 86 × 81 ≈   |  |  |  |  |  | 1. | Answers |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  |  |  |  |  |  |  |\n| 3)\u003Cbr>5)\u003Cbr>7)\u003Cbr>9)\u003Cbr>11)\u003Cbr>13)\u003Cbr>15)\u003Cbr>17)\u003Cbr>19) | 844 × 3 ≈\u003Cbr>866 × 9 ≈\u003Cbr>221 × 8 ≈\u003Cbr>590 × 3 ≈\u003Cbr>491 × 4 ≈\u003Cbr>225 × 3 ≈\u003Cbr>355 × 9 ≈\u003Cbr>399 × 8 ≈\u003Cbr>322 × 6 ≈ |  | 4)\u003Cbr>6)\u003Cbr>8)\u003Cbr>10)\u003Cbr>12)\u003Cbr>14)\u003Cbr>16)\u003Cbr>18)\u003Cbr>20) | 21 × 27 ≈\u003Cbr>33 × 64 ≈\u003Cbr>43 × 38 ≈\u003Cbr>34 × 59 ≈\u003Cbr>81 × 99 ≈\u003Cbr>37 × 67 ≈\u003Cbr>23 × 74 ≈\u003Cbr>63 × 24 ≈\u003Cbr>88 × 72 ≈ |  | 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. |  |\n|  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |\n|  |  ","cbCairIMIW3XkK58","https://ap.wps.com/l/cbCairIMIW3XkK58","pdf",45701,"English","# Practice Problems\n# Answer Key","[{\"question\":\"What method do the problems require to estimate the product?\",\"answer\":\"Round each factor to its greatest place value, then multiply the rounded numbers to get the estimate.\"},{\"question\":\"Where can answers be found to check the estimates?\",\"answer\":\"The document includes an Answer Key section with approximate products for the listed problems.\"},{\"question\":\"How are the practice problems organized?\",\"answer\":\"They list many multiplication estimation problems using different factor pairs and numbering for reference.\"}]","Estimating Products by Rounding - Answer Key | PDF",1790795097]