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=\u003Cbr>30 40 50\u003Cbr>|  | Answers\u003Cbr>1.  \u003Cbr>2. |\n| --- | --- | --- |\n| 2) | 66-4 = |  |\n| 3) | \u003Cbr>71-2 = | 3.  \u003Cbr>4.   |\n| 4) | \u003Cbr>65 + 1 = | 5.  \u003Cbr>6.   |\n| 5) | \u003Cbr>42-0 = | 7.  \u003Cbr>8.   |\n| 6) | 30 40 50\u003Cbr>\u003Cbr>48 + 13 =\u003Cbr>40 50 60 70\u003Cbr>| 9.  \u003Cbr>10.   |\n| 7) | 38 + 12 =\u003Cbr>40 50 60 70\u003Cbr>|  |\n| 8) | 12-4 =\u003Cbr>10 20 30\u003Cbr>|  |\n| 9) | 26-0 =\u003Cbr>20 30\u003Cbr>|  |\n| 10) | 78 + 12 =\u003Cbr>80 90\u003Cbr>|  |\n| 1-10  90  80  70  60 50  40  30  20  10  0  |  |  |\n\n[Math](Math www.CommonCoreSheets.com 6)[ www.CommonCoreSheets.com](Math www.CommonCoreSheets.com 6)[ 6](Math www.CommonCoreSheets.com 6)  \nAdding and Subtracting with Number Lines  \nName: Answer Key  \n\n| Use the numberlines to solve each problem.\u003Cbr>1) 31 + 9 =\u003Cbr>30 31 40 50\u003Cbr>\u003Cbr>+1 +1 +1 +1 +1 +1 +1 +1 +1\u003Cbr>2) 66-4 =\u003Cbr>60 66 70\u003Cbr>\u003Cbr>-1 -1 -1 -1\u003Cbr>3) 71-2 =\u003Cbr>50 60 7071 80\u003Cbr>\u003Cbr>-1 -1\u003Cbr>4) 65 + 1 =\u003Cbr>50 60 65 70 80\u003Cbr>\u003Cbr>+1\u003Cbr>5) 42-0 =\u003Cbr>30 40 42 50\u003Cbr>\u003Cbr>6) 48 + 13 =\u003Cbr>40 48 50 60 70\u003Cbr>\u003Cbr>\u003Cbr>+1 +1 +1 +1 +1 +1 +1 +1 +1 +1 +1 +1 +1\u003Cbr>7) 38 + 12 =\u003Cbr>38 40 50 60 70\u003Cbr>+1 +1 +1 +1 +1 +1 +1 +1 +1 +1 +1 +1\u003Cbr>8) 12-4 =\u003Cbr>10 12 20 30\u003Cbr>-1 -1 -1 -1\u003Cbr>9) 26-0 =\u003Cbr>20 26 30\u003Cbr>\u003Cbr>10) 78 + 12 =\u003Cbr>78 80 90\u003Cbr>\u003Cbr>+1 +1 +1 +1 +1 +1 +1 +1 +1 +1 +1 +1\u003Cbr>| Answers 1.  40  2.  62  3.  69  4.  66  5.  42  6.  61  7.  50  8.  8  9.  26  10.  90  |\n| --- | --- |\n\n[Math](Math www.CommonCoreSheets.com 6 1-10)[ www.CommonCoreSheets.com](Math www.CommonCoreSheets.com 6 1-10)[ 6](Math www.CommonCoreSheets.com 6 1-10)[ 1-10](Math www.CommonCoreSheets.com 6 1-10) 90 80 70 60 50 40 30 20 10 0  \n\n|  |  |  |  |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n\nAdding and Subtracting with Number Lines  \nName:  \n\n| Use the numberlines to solve each problem. | Answers\u003Cbr>1.  \u003Cbr>2.  \u003Cbr>3.  \u003Cbr>4.  \u003Cbr>5.  \u003Cbr>6.  \u003Cbr>7.   |\n| --- | --- |\n| 61 40 62 66\u003Cbr>69 50 42 |  |\n| 1) 31 + 9 =\u003Cbr>30 40 50\u003Cbr>2) 66-4 =\u003Cbr>60 70\u003Cbr>3) 71-2 =\u003Cbr>50 60 70 80\u003Cbr>4) 65 + 1 =\u003Cbr>50 60 70 80\u003Cbr>5) 42-0 =\u003Cbr>30 40 50\u003Cbr>6) 48 + 13 =\u003Cbr>40 50 60 70\u003Cbr>7) 38 + 12 =\u003Cbr>40 50 60 70\u003Cbr>|  |\n\nMath  \nModified  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n6  \n1-7  86  71  57  43  29  14  0","cbCaikWpf2vGSSJj","https://ap.wps.com/l/cbCaikWpf2vGSSJj","pdf",62552,"English","# Adding and Subtracting with Number Lines\n## Practice Problems\n## Answer Key","[{\"question\":\"How should students use the number lines to solve the problems?\",\"answer\":\"Students use the number line markings to make jumps forward for addition and backward for subtraction, then read the final value at the landing point.\"},{\"question\":\"What types of arithmetic problems are included in this worksheet?\",\"answer\":\"The worksheet includes both addition and subtraction problems, such as 31 + 9 and 66 - 4, using whole numbers.\"},{\"question\":\"What is the purpose of the answer key section?\",\"answer\":\"The answer key lists the final answers for each problem so students can verify their work and teachers can grade quickly.\"}]","Adding and Subtracting with Number Lines - Answer Key | PDF"]