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|  |  |  |  |  | Answers |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 1) 50× 36 = 2) 500 × 80 = |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 5 × 18 = 50 × 8 = |  |  |  |  |  |  |  |  | 1.   |  |  |  |  |  |  |\n| 5 × 9 =  5 × 8 =  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 3) 160 × 90 = 4) 800 × 50 = |  |  |  |  |  |  |  |  | 2.  \u003Cbr>3.   |  |  |  |  |  |  |\n| 16 × 9 = \u003Cbr>8 × 9 =  |  | 80 × 5 = \u003Cbr>8 × 5 =  |  |  |  |  |  |  | 4.   |  |  |  |  |  |  |\n| 5) 90 × 80 = 6) 140 × 50 = |  |  |  |  |  |  |  |  | 5.  \u003Cbr>6.   |  |  |  |  |  |  |\n| 80 × 9 = 14 × 5 = |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 9 × 8 =  7 × 5 =  |  |  |  |  |  |  |  |  | 7.   |  |  |  |  |  |  |\n| 7) 32 × 40 = 8) 40× 180 = |  |  |  |  |  |  |  |  | 8.  \u003Cbr>9.   |  |  |  |  |  |  |\n| 16 × 4 = 4 × 18 = |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 8 × 4 =  4 × 9 = \u003Cbr>9) 60 × 90 =  10) 90× 500 = \u003Cbr>90 × 6 = 9 × 50 = |  |  |  |  |  |  |  |  | 10.  \u003Cbr>11.  \u003Cbr>12.   |  |  |  |  |  |  |\n| 6 × 9 = 9 × 5 = |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 11) 24 × 30 = 12) 40× 28 = |  |  |  |  |  |  |  |  | 13.  \u003Cbr>14.   |  |  |  |  |  |  |\n| 12 × 3 = 4 × 14 = |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 6 × 3 = 4 × 7 = |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 13) 40× 500 = 14) 80× 28 = |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 4 × 50 =  8 × 14 =  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 4 × 5 = 8 × 7 = |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| \u003Cbr>Math | [www.CommonCoreSheets.com](www.CommonCoreSheets.com) |  | 8 | 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) 50× 36 = 1,800  2) 500 × 80 = 40,000 \u003Cbr>5 × 18 = 90  50 × 8 = 400 \u003Cbr>5 × 9 = 45  5 × 8 = 40 \u003Cbr>3) 160 × 90 = 14,400  4) 800 × 50 = 40,000 \u003Cbr>16 × 9 = 144  80 × 5 = 400 \u003Cbr>8 × 9 = 72  8 × 5 = 40 \u003Cbr>5) 90 × 80 = 7,200  6) 140 × 50 = 7,000 \u003Cbr>80 × 9 = 720  14 × 5 = 70 \u003Cbr>9 × 8 = 72  7 × 5 = 35 \u003Cbr>7) 32 × 40 = 1,280  8) 40× 180 = 7,200 \u003Cbr>16 × 4 = 64  4 × 18 = 72 \u003Cbr>8 × 4 = 32  4 × 9 = 36 \u003Cbr>9) 60 × 90 = 5,400  10) 90× 500 = 45,000 \u003Cbr>90 × 6 = 540  9 × 50 = 450 \u003Cbr>6 × 9 = 54  9 × 5 = 45 \u003Cbr>11) 24 × 30 = 720  12) 40× 28 = 1,120 \u003Cbr>12 × 3 = 36  4 × 14 = 56 \u003Cbr>6 × 3 = 18  4 × 7 = 28 \u003Cbr>13) 40× 500 = 20,000  14) 80× 28 = 2,240 \u003Cbr>4 × 50 = 200  8 × 14 = 112 \u003Cbr>4 × 5 = 20  8 × 7 = 56  |  |  |  |  |  |  |  | Answers 1.  1,800  2.  40,000  3.  14,400  4.  40,000  5.  7,200  6.  7,000  7.  1,280  8.  7,200  9.  5,400  10.  45,000  11.  720  12.  1,120  13.  20,000  14.  2,240  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| \u003Cbr>Math | [www.CommonCoreSheets.com](www.CommonCoreSheets.com) | 8 | 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| 1,280 1,800 7,200 7,200 40,000 40,000 7,000 14,400 |  |  |  |  |  |  |  |  |\n| 1) 50× 36 =  2) 500 × 80 =  5 × 18 =  50 × 8 = \u003Cbr>5 × 9 =   5 × 8 = \u003Cbr>3) 160 × 90 =  4) 800 × 50 = \u003Cbr>16 × 9 =  80 × 5 = \u003Cbr>8 × 9 =   8 × 5 = \u003Cbr>5) 90 × 80 =  6) 140 × 50 = \u003Cbr>80 × 9 =  14 × 5 = \u003Cbr>9 × 8 =  7 × 5 = \u003Cbr>7) 32 × 40 =  8) 40× 180 = \u003Cbr>16 × 4 =  4 × 18 = \u003Cbr>8 × 4 =  4 × 9 =  |  |  |  |  |  |  |  |  |\n| 1-8 | 88 | 75 | 63 | 50 | ","cbCaigrNcZsIeyiQ","https://ap.wps.com/l/cbCaigrNcZsIeyiQ","pdf",45880,"English","# Multiplication Using Powers of Ten and Halves\n## Problem Set (1-14)\n## Answer Key","[{\"question\":\"What strategy do these problems teach for multiplication?\",\"answer\":\"They teach breaking factors into parts using powers of ten and/or halves, then combining partial products to reach the final product.\"},{\"question\":\"How many multiplication problems are included?\",\"answer\":\"The worksheet lists 14 problems.\"},{\"question\":\"Is an answer key provided?\",\"answer\":\"Yes. The document includes answers for each problem so learners can check their work.\"}]","Using Powers of Ten and Halves - Problem Set | PDF",1790792457]