[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-480501-105":3,"detail-sidebar-cat-0-en-105":81,"doc-detail-480501-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-solve-multiplication-estimation-problems","Estimating Products by Rounding - Solve multiplication estimation problems","","Estimating Products by Rounding worksheets guide students to approximate the product of two numbers by rounding each factor to its greatest place value before multiplying. The materials present multiple practice problems in which two-digit and three-digit values are rounded to simplify computation, then an approximate product is recorded. An accompanying answer key supplies the estimated results for each numbered item, supporting checking and 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product.\u003Cbr>1) 676 × 3 ≈   2) 38 × 39 ≈   |  |  |  |  |  | 1. | Answers |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  |  |  |  |  |  |  |\n| 3)\u003Cbr>5)\u003Cbr>7)\u003Cbr>9)\u003Cbr>11)\u003Cbr>13)\u003Cbr>15)\u003Cbr>17)\u003Cbr>19) | 452 × 9 ≈\u003Cbr>484 × 3 ≈\u003Cbr>884 × 2 ≈\u003Cbr>483 × 7 ≈\u003Cbr>117 × 4 ≈\u003Cbr>878 × 6 ≈\u003Cbr>203 × 5 ≈\u003Cbr>294 × 9 ≈\u003Cbr>903 × 8 ≈ |  | 4)\u003Cbr>6)\u003Cbr>8)\u003Cbr>10)\u003Cbr>12)\u003Cbr>14)\u003Cbr>16)\u003Cbr>18)\u003Cbr>20) | 28 × 59 ≈\u003Cbr>24 × 63 ≈\u003Cbr>11 × 44 ≈\u003Cbr>49 × 37 ≈\u003Cbr>62 × 18 ≈\u003Cbr>27 × 38 ≈\u003Cbr>66 × 97 ≈\u003Cbr>92 × 62 ≈\u003Cbr>71 × 62 ≈ |  | 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)  \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) 676 × 3 ≈  2,100  | 2) | 38 × 39 ≈  1,600  | 1. | 2,100 |\n|  |  |  |  |  |\n| 3) 452 × 9 ≈  4,500  | 4) | 28 × 59 ≈  1,800  | 2.\u003Cbr>3. | 1,600 |\n|  |  |  |  | 4,500 |\n|  |  |  |  |  |\n| 5) 484 × 3 ≈  1,500 \u003Cbr>7) 884 × 2 ≈  1,800 \u003Cbr>9) 483 × 7 ≈  3,500 \u003Cbr>11) 117 × 4 ≈  400 \u003Cbr>13) 878 × 6 ≈  5,400 \u003Cbr>15) 203 × 5 ≈  1,000 \u003Cbr>17) 294 × 9 ≈  2,700 \u003Cbr>19) 903 × 8 ≈  7,200  | 6)\u003Cbr>8)\u003Cbr>10)\u003Cbr>12)\u003Cbr>14)\u003Cbr>16)\u003Cbr>18)\u003Cbr>20) | 24 × 63 ≈  1,200 \u003Cbr>11 × 44 ≈  400 \u003Cbr>49 × 37 ≈  2,000 \u003Cbr>62 × 18 ≈  1,200 \u003Cbr>27 × 38 ≈  1,200 \u003Cbr>66 × 97 ≈  7,000 \u003Cbr>92 × 62 ≈  5,400 \u003Cbr>71 × 62 ≈  4,200  | 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. | 1,800 |\n|  |  |  |  | 1,500 |\n|  |  |  |  | 1,200 |\n|  |  |  |  | 1,800 |\n|  |  |  |  | 400 |\n|  |  |  |  | 3,500 |\n|  |  |  |  | 2,000 |\n|  |  |  |  | 400 |\n|  |  |  |  | 1,200 |\n|  |  |  |  | 5,400 |\n|  |  |  |  | 1,200 |\n|  |  |  |  | 1,000 |\n|  |  |  |  | 7,000 |\n|  |  |  |  | 2,700 |\n|  |  |  |  | 5,400 |\n|  |  |  |  | 7,200 |\n|  |  |  |  | 4,200 |\n\nMath  \nSeed: 152890691-1156  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \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) 676 × 3 ≈   2) 38 × 39 ≈   |  |  |  |  |  | 1. | Answers |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  |  |  |  |  |  |  |\n| 3)\u003Cbr>5)\u003Cbr>7)\u003Cbr>9)\u003Cbr>11)\u003Cbr>13)\u003Cbr>15)\u003Cbr>17)\u003Cbr>19) | 452 × 9 ≈\u003Cbr>484 × 3 ≈\u003Cbr>884 × 2 ≈\u003Cbr>483 × 7 ≈\u003Cbr>117 × 4 ≈\u003Cbr>878 × 6 ≈\u003Cbr>203 × 5 ≈\u003Cbr>294 × 9 ≈\u003Cbr>903 × 8 ≈ |  | 4)\u003Cbr>6)\u003Cbr>8)\u003Cbr>10)\u003Cbr>12)\u003Cbr>14)\u003Cbr>16)\u003Cbr>18)\u003Cbr>20) | 28 × 59 ≈\u003Cbr>24 × 63 ≈\u003Cbr>11 × 44 ≈\u003Cbr>49 × 37 ≈\u003Cbr>62 × 18 ≈\u003Cbr>27 × 38 ≈\u003Cbr>66 × 97 ≈\u003Cbr>92 × 62 ≈\u003Cbr>71 × 62 ≈ |  | 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|  |  |  |  |  | ","cbCaioKGBb7LgFNS","https://ap.wps.com/l/cbCaioKGBb7LgFNS","pdf",45681,"English","# Rounding to the greatest place value\n## Multiplying rounded factors to estimate products","[{\"question\":\"What is the main method used to estimate each product?\",\"answer\":\"Round each factor to its greatest place value, then multiply the rounded values to estimate the product.\"},{\"question\":\"How are the problems organized?\",\"answer\":\"Problems are listed as numbered items, each showing two factors with an approximation symbol and a place to record the estimated product.\"},{\"question\":\"Why is there an answer key in the document?\",\"answer\":\"The answer key provides the estimated products for each numbered problem so students can verify and correct their work.\"}]","Estimating Products by Rounding - Solve multiplication estimation problems | PDF",1790795106]