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1  \n7) 1 7 - 8  \n11) 1 9 - 2  \n15) 1 9 - 4  \n19) 1 5 - 3  \n4) 1 0 + 5  \n8) 4 + 4  \n12) 6 + 3  \n16) 1 7 + 3  \n20) 1 7 + 1  \nAnswers  \n1.  \n2.  \n3.  \n4.  \n5.  \n6.  \n7.  \n8.  \n9.  \n10.  \n11.  \n12.  \n13.  \n14.  \n15.  \n16.  \n17.  \n18.  \n19.  \n20.  \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  \nAdding and Subtracting within 20  \nName: Answer Key  \n\n| Solve each problem. |  |  |  |  |  |  |  |  |  |  | Answers\u003Cbr>1.  13 \u003Cbr>2.  20  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 1) 1 5 - 2 \u003Cbr>1 3 |  | 2) 1 8 + 2 \u003Cbr>2 0 | 3) 1 9 - 1 \u003Cbr>1 8 |  | 4) 1 0 + 5 \u003Cbr>1 5 |  |  |  |  |  |  |  |  |  |  |  |\n| 5)\u003Cbr>9) | 2 0\u003Cbr>-1 0 \u003Cbr>1 0\u003Cbr>1 6\u003Cbr>- 1 | 6) 1 9 7)+ 1 \u003Cbr>2 0\u003Cbr>10) 1 4 11)+ 1 |  | 1 7\u003Cbr>- 8 \u003Cbr>9\u003Cbr>1 9\u003Cbr>- 2 | 8)\u003Cbr>12) | 4\u003Cbr>+ 4 \u003Cbr>8\u003Cbr>6\u003Cbr>+ 3 |  |  |  |  | 3.  18  4.  15  5.  10  6.  20  7.  9  8.  8 \u003Cbr>9.  15  |  |  |  |  |  |\n| 13) | 1 5\u003Cbr>1 9\u003Cbr>- 8  | 1 5\u003Cbr>14) 8 15)+ 4  |  | 1 7\u003Cbr>1 9\u003Cbr>- 4  | 16) | 9\u003Cbr>1 7\u003Cbr>+ 3  |  |  |  |  | 10.  15  11.  17  12.  9 \u003Cbr>13.  11  |  |  |  |  |  |\n| 17) | 1 1\u003Cbr>1 0\u003Cbr>- 1 \u003Cbr>9 | 1 2\u003Cbr>18) 1 6 19)+ 2 \u003Cbr>1 8 |  | 1 5\u003Cbr>1 5\u003Cbr>- 3 \u003Cbr>1 2 | 20) | 2 0\u003Cbr>1 7\u003Cbr>+ 1 \u003Cbr>1 8 |  |  |  |  | 14.  12  15.  15  16.  20  17.  9  18.  18  19.  12 \u003Cbr>20. 18 |  |  |  |  |  |\n|  | Math | Seed: 2052927450-11\u003Cbr>[www.CommonCoreSheets.co](www.CommonCoreSheets.co) |  | m |  | 1-10\u003Cbr>11-20 | 95 | 90 | 85 | 80 | 75 | 70 | 65 | 60 | 55 | 50 |\n|  |  |  |  |  |  |  | 45 | 40 | 35 | 30 | 25 | 20 | 15 | 10 | 5 | 0 |\n\nAdding and Subtracting within 20  \nName:  \nSolve each problem. Answers  \n8 15 15 20  \n20 17 13 10 1.  \n15 9 18 9  \n2.  \n1) 1 5 2) 1 8 3) 1 9 4) 1 0 3.  \n- 2 + 2 - 1 + 5  \n4.  \n5.  \n6.  \n7.  \n8.  \n5) 2 0 6) 1 9 7) 1 7 8) 4  \n9.  \n-1 0 + 1 - 8 + 4  \n10.  \n11.  \n12.  \n9) 1 6 10) 1 4 11) 1 9 12) 6  \n- 1 + 1 - 2 + 3  \nMath Modified 1-10 92 83 75 67 58 50 42 33 25 17  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com) 11-12 8 0","cbCaikQ5iIrEakgh","https://ap.wps.com/l/cbCaikQ5iIrEakgh","pdf",46662,"English","# Solve each problem\n## Adding and subtracting within 20\n## Answers (1-20)","[{\"question\":\"What math skills does this worksheet practice?\",\"answer\":\"It practices adding and subtracting within 20 using number sentences.\"},{\"question\":\"How are the problems structured?\",\"answer\":\"Each item asks to solve an arithmetic expression involving numbers up to 20.\"},{\"question\":\"Where can I find the solutions?\",\"answer\":\"The document includes an “Answers” or “Answer Key” section listing the results for problems 1 through 20.\"}]","Adding and Subtracting within 20 - Solve each problem and view answer key | PDF"]