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An accompanying answer key provides the completed totals and illustrates the correct result for each item from 1 through 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1.\u003Cbr>2. | Answers |\n| --- | --- | --- |\n|  |  |  |\n|  |  |  |\n| 2) 62,353 + 25,068 =   62,353\u003Cbr>| 3.\u003Cbr>4. |  |\n|  |  |  |\n|  |  |  |\n| 3) 48,652 + 45,114 =   48,652\u003Cbr>| 5.\u003Cbr>6.\u003Cbr>7. |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n| 4) 63,802 + 3,824 =   63,802\u003Cbr>| 8. |  |\n|  |  |  |\n| 5) 53,276 + 34,154 =   53,276\u003Cbr>|  |  |\n| 6) 79,618 + 17,374 =   79,618\u003Cbr>|  |  |\n| 7) 59,257 + 39,111 =   59,257\u003Cbr>|  |  |\n| 8) 48,403 + 23,935 =   48,403\u003Cbr>|  |  |\n\n[Math](Math www.CommonCoreSheets.com 4 1-8)[ www.CommonCoreSheets.com](Math www.CommonCoreSheets.com 4 1-8)[ 4](Math www.CommonCoreSheets.com 4 1-8)[ 1-8](Math www.CommonCoreSheets.com 4 1-8) 88 75 63 50 38 25 13 0  \n\n|  |  |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n\nAddition Using Open Number Lines  \nName: Answer Key  \n\n| Solve each problem.\u003Cbr>1) 38,544 + 25,697 =  64,241 \u003Cbr>38, 544 58,544 63,544 64,144 64,234 64,241\u003Cbr>\u003Cbr>+20,000 +5,000 +600 +90 +7 |  |  | 1.\u003Cbr>2. |  | Answers\u003Cbr>64,241 |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  |  |  |  | 87,421 |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |\n| 2) 62,353 + 25,068 =  87,421  |  |  | 3. |  | 93,766 |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |\n| 62,353 82,353 87,353 87,413 87,421\u003Cbr>\u003Cbr>+20,000 +5,000 +60 +8\u003Cbr>3) 48,652 + 45,114 =  93,766 \u003Cbr>48,652 88,652 93,652 93,752 93,762 93,766\u003Cbr>\u003Cbr>+40,000 +5,000 +100 +10 +4 |  |  | 4.\u003Cbr>5.\u003Cbr>6.\u003Cbr>7. |  | 67,626 |  |  |  |  |\n|  |  |  |  |  | 87,430 |  |  |  |  |\n|  |  |  |  |  | 96,992 |  |  |  |  |\n|  |  |  |  |  | 98,368 |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |\n| 4) 63,802 + 3,824 =  67,626 \u003Cbr>63,802 66,802 67,602 67,622 67,626\u003Cbr>\u003Cbr>+3,000 +800 +20 +4 |  |  | 8. |  | 72,338 |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |\n| 5) 53,276 + 34,154 =  87,430 \u003Cbr>53,276 83,276 87,276 87,376 87,426 87,430\u003Cbr>\u003Cbr>+30,000 +4,000 +100 +50 +4 |  |  |  |  |  |  |  |  |  |\n| 6) 79,618 + 17,374 =  96,992 \u003Cbr>79,618 89,618 96,618 96,918 96,988 96,992\u003Cbr>\u003Cbr>+10,000 +7,000 +300 +70 +4 |  |  |  |  |  |  |  |  |  |\n| 7) 59,257 + 39,111 =  98,368 \u003Cbr>59,257 89,257 98,257 98,357 98,367 98,368\u003Cbr>\u003Cbr>+30,000 +9,000 +100 +10 +1 |  |  |  |  |  |  |  |  |  |\n| 8) 48,403 + 23,935 =  72,338 \u003Cbr>48,403 68,403 71,403 72,303 72,333 72,338\u003Cbr>\u003Cbr>+20,000 +3,000 +900 +30 +5 |  |  |  |  |  |  |  |  |  |\n| 1-8 | 88 | 75 | 63 | 50 |  | 38 | 25 | 13 | 0 |\n\n[Math](Math www.CommonCoreSheets.com 4)[ www.CommonCoreSheets.com](Math www.CommonCoreSheets.com 4)[ 4](Math www.CommonCoreSheets.com 4)  \nAddition Using Open Number Lines  \nName:  \n\n| Solve each problem.\u003Cbr>1) 38,544 + 25,697 =  \u003Cbr>38,544\u003Cbr>\u003Cbr>+20,000 +5,000 +600 +90 +7 | 1.\u003Cbr>2. | Answers |\n| --- | --- | --- |\n|  |  |  |\n|  |  |  |\n| 2) 62,353 + 25,068 =   | 3. |  |\n|  |  |  |\n| 62,353\u003Cbr>\u003Cbr>+20,000 +5,000 +60 +8\u003Cbr>3) 48,652 + 45,114 =  \u003Cbr>48,652\u003Cbr>\u003Cbr>+40,000 +5,000 +100 +10 +4 | 4.\u003Cbr>5.\u003Cbr>6.\u003Cbr>7. |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n| 4) 63,802 + 3,824 =   63,802\u003Cbr>\u003Cbr>+3,000 +800 +20 +4 | 8. |  |\n|  |  |  |\n| 5) 53,276 + 34,154 =   53,276\u003Cbr>\u003Cbr>+30,000 +4,000 +100 +50 +4 |  |  |\n| 6) 79,618 + 17,374 =   79,618\u003Cbr>\u003Cbr>+10,000 +7,000 +300 +70 +4 |  |  |\n| 7) 59,257 + 39,111 =   59,257\u003Cbr>\u003Cbr>+30,000 +9,000 +100 +10 +1 |  |  |\n| 8) 48,403 + 23,935 =   48,403\u003Cbr>\u003Cbr>+20,000 +3,000 +900 +30 +5 |  |  |\n\nMath  \nModified  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n4  \n1-8  88  75  63  50  38  25  13  0","cbCainP3A0jO13C6","https://ap.wps.com/l/cbCainP3A0jO13C6","pdf",63686,"English","# Problems\n## Items 1-8","[{\"question\":\"What method do these problems use to solve addition?\",\"answer\":\"They use open number lines that break the addends into place-value parts and then add them step by step along the number line.\"},{\"question\":\"How many addition problems are included?\",\"answer\":\"There are 8 addition problems, labeled 1 through 8.\"},{\"question\":\"Where can the correct sums be found?\",\"answer\":\"The answer key lists the final totals for each problem from 1 to 8.\"}]","Addition Using Open Number Lines - Answer Key | PDF"]