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|  |  |  |  |  | Answers |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 1) 70 × 30 = 2) 36 × 50 = |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 30 × 7 = 18 × 5 = |  |  |  |  |  |  |  |  | 1.   |  |  |  |  |  |  |\n| 7 × 3 =  9 × 5 =  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 3) 50× 32 = 4) 600 × 80 = |  |  |  |  |  |  |  |  | 2.  \u003Cbr>3.   |  |  |  |  |  |  |\n| 5 × 16 = \u003Cbr>5 × 8 =  |  | 60 × 8 = \u003Cbr>6 × 8 =  |  |  |  |  |  |  | 4.   |  |  |  |  |  |  |\n| 5) 30× 900 = 6) 60× 800 = |  |  |  |  |  |  |  |  | 5.  \u003Cbr>6.   |  |  |  |  |  |  |\n| 3 × 90 = 6 × 80 = |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 3 × 9 =  6 × 8 =  |  |  |  |  |  |  |  |  | 7.   |  |  |  |  |  |  |\n| 7) 20 × 70 = 8) 50× 20 = |  |  |  |  |  |  |  |  | 8.  \u003Cbr>9.   |  |  |  |  |  |  |\n| 10 × 7 = 5 × 10 = |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 5 × 7 =  5 × 5 = \u003Cbr>9) 60× 120 =  10) 180 × 40 =  6 × 12 = 18 × 4 = |  |  |  |  |  |  |  |  | 10.  \u003Cbr>11.  \u003Cbr>12.   |  |  |  |  |  |  |\n| 6 × 6 = 9 × 4 = |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 11) 70× 90 = 12) 40× 700 = |  |  |  |  |  |  |  |  | 13.  \u003Cbr>14.   |  |  |  |  |  |  |\n| 9 × 70 = 4 × 70 = |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 7 × 9 = 4 × 7 = |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 13) 90× 160 = 14) 60× 50 = |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 9 × 16 =  5 × 60 =  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 9 × 8 = 6 × 5 = |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| \u003Cbr>Math | [www.CommonCoreSheets.com](www.CommonCoreSheets.com) |  | 6 | 1-10\u003Cbr>11-14 | 93 | 86 | 79 | 71 |  | 64 | 57 | 50 | 43 | 36 | 29 |\n|  |  |  |  |  | 21 | 14 | 7 | 0 |  |  |  |  |  |  |  |\n\nUsing Powers of Ten and Halves  \nName: Answer Key  \n\n| Break each problem down using powers of ten and/or halves to solve.\u003Cbr>1) 70 × 30 = 2,100  2) 36 × 50 = 1,800 \u003Cbr>30 × 7 = 210  18 × 5 = 90 \u003Cbr>7 × 3 = 21  9 × 5 = 45 \u003Cbr>3) 50× 32 = 1,600  4) 600 × 80 = 48,000 \u003Cbr>5 × 16 = 80  60 × 8 = 480 \u003Cbr>5 × 8 = 40  6 × 8 = 48 \u003Cbr>5) 30× 900 = 27,000  6) 60× 800 = 48,000 \u003Cbr>3 × 90 = 270  6 × 80 = 480 \u003Cbr>3 × 9 = 27  6 × 8 = 48 \u003Cbr>7) 20 × 70 = 1,400  8) 50× 20 = 1,000 \u003Cbr>10 × 7 = 70  5 × 10 = 50 \u003Cbr>5 × 7 = 35  5 × 5 = 25 \u003Cbr>9) 60× 120 = 7,200  10) 180 × 40 = 7,200 \u003Cbr>6 × 12 = 72  18 × 4 = 72 \u003Cbr>6 × 6 = 36  9 × 4 = 36 \u003Cbr>11) 70× 90 = 6,300  12) 40× 700 = 28,000 \u003Cbr>9 × 70 = 630  4 × 70 = 280 \u003Cbr>7 × 9 = 63  4 × 7 = 28 \u003Cbr>13) 90× 160 = 14,400  14) 60× 50 = 3,000 \u003Cbr>9 × 16 = 144  5 × 60 = 300 \u003Cbr>9 × 8 = 72  6 × 5 = 30  |  |  |  |  |  |  |  | Answers\u003Cbr>1.  2,100  2.  1,800  3.  1,600  4.  48,000  5.  27,000  6.  48,000  7.  1,400  8.  1,000  9.  7,200  10.  7,200  11.  6,300  12.  28,000  13.  14,400 \u003Cbr>14.  3,000  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| \u003Cbr>Math | [www.CommonCoreSheets.com](www.CommonCoreSheets.com) | 6 | 1-10\u003Cbr>11-14 | 93 | 86 | 79 | 71 | 64 | 57 | 50 | 43 | 36 | 29 |\n|  |  |  |  | 21 | 14 | 7 | 0 |  |  |  |  |  |  |\n\nUsing Powers of Ten and Halves  \nName:  \n\n| Break each problem down using powers of ten and/or halves to solve. |  |  | Answers\u003Cbr>1.  \u003Cbr>2.  \u003Cbr>3.  \u003Cbr>4.  \u003Cbr>5.  \u003Cbr>6.  \u003Cbr>7.  \u003Cbr>8.   |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 1,400 48,000 1,000 27,000 2,100 1,800 48,000 1,600 |  |  |  |  |  |  |  |  |\n| 1) 70 × 30 =  2) 36 × 50 =  30 × 7 =  18 × 5 = \u003Cbr>7 × 3 =  9 × 5 = \u003Cbr>3) 50× 32 =  4) 600 × 80 =  5 × 16 =  60 × 8 =  5 × 8 =   6 × 8 = \u003Cbr>5) 30× 900 =  6) 60× 800 = \u003Cbr>3 × 90 =  6 × 80 = \u003Cbr>3 × 9 =  6 × 8 = \u003Cbr>7) 20 × 70 =  8) 50× 20 = \u003Cbr>10 × 7 =  5 × 10 = \u003Cbr>5 × 7 =  5 × 5 =  |  |  |  |  |  |  |  |  |\n| 1-8 | 88 | 75 | 63 | 50 | 38 | 25 | ","cbCaidQI8ExGovFi","https://ap.wps.com/l/cbCaidQI8ExGovFi","pdf",45951,"English","# Multiplication with Powers of Ten and Halves\n## Problem Set (1-14)\n## Answer Key","[{\"question\":\"What skill does this worksheet practice?\",\"answer\":\"It practices multiplying by breaking factors into powers of ten and/or halves to make calculations easier.\"},{\"question\":\"How should students solve each problem?\",\"answer\":\"Students rewrite the numbers as combinations of tens-based parts or half-based parts, then multiply those parts and combine the results.\"},{\"question\":\"Is there an answer key included?\",\"answer\":\"Yes. The document provides a list of correct answers for each numbered problem (1 through 14) to support self-checking.\"}]","Using Powers of Ten and Halves - Worksheet Answers | PDF",1790792454]