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6  \n11) 1 6 - 7  \n15) 6 -3  \n19) 1 6 - 2  \n4)  \n8)  \n12)  \n16)  \n20)  \n9  \n+ 3  \n9  \n+ 6  \n1 1 + 6  \n1 2 + 1  \n8  \n+ 4  \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)  \n4  \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  \nSolve each problem.  \n1) 1 8 2)- 2  \n1 6  \n5) 1 7 6)- 5  \n1 2  \n9) 2 0 10)  \n-1 0  \n1 0  \n13) 1 8 14)  \n- 9  \n9  \n17) 1 4 18)  \n- 3  \n1 1  \n1 9 + 1  \n2 0  \n9  \n+ 4  \n1 3  \n1 8 + 2  \n2 0  \n1 8 + 1  \n1 9  \n1 0 + 5  \n1 5  \n3) 9  \n-2  \n7  \n7) 2 0 - 6  \n1 4  \n11) 1 6  \n- 7  \n9  \n15) 6  \n-3  \n3  \n19) 1 6 - 2  \n1 4  \n4)  \n8)  \n12)  \n16)  \n20)  \n9  \n+ 3  \n1 2  \n9  \n+ 6  \n1 5  \n1 1 + 6  \n1 7  \n1 2 + 1  \n1 3  \n8  \n+ 4  \n1 2  \nAnswers  \n1. 16 2. 20 3. 7 4. 12 5. 12 6. 13 7. 14 8. 15 9. 10 10. 20 11. 9 12. 17 13. 9 14. 19 15. 3 16. 13 17. 11 18. 15 19. 14  \n20. 12  \nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n4  \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:  \n\n| Solve each problem. | Answers\u003Cbr>1.  \u003Cbr>2.  \u003Cbr>3.  \u003Cbr>4.  \u003Cbr>5.  \u003Cbr>6.  \u003Cbr>7.  \u003Cbr>8.  \u003Cbr>9.  \u003Cbr>10.  \u003Cbr>11.  \u003Cbr>12.   |\n| --- | --- |\n| \u003Cbr>13 10 15 9\u003Cbr>16 7 12 20\u003Cbr>14 20 17 12 |  |\n| 1) 1 8 2) 1 9 3) 9 4) 9\u003Cbr>- 2  + 1  -2   + 3 \u003Cbr>5) 1 7 6) 9 7) 2 0 8) 9\u003Cbr>- 5   + 4  - 6   + 6 \u003Cbr>9) 2 0 10) 1 8 11) 1 6 12) 1 1\u003Cbr>-1 0  + 2  - 7  + 6  |  |\n\nMath  \nModified  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n4  \n1-10 11-12  \n\n| 92 | 83 | 75 | 67 | 58 | 50 | 42 | 33 | 25 | 17 |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 8 | 0 |  |  |  |  |  |  |  |  |","cbCaina4gZzewaMD","https://ap.wps.com/l/cbCaina4gZzewaMD","pdf",46709,"English","# Solve each problem\n## Answers","[{\"question\":\"What should a student do for each question?\",\"answer\":\"Each item instructs students to “Solve each problem,” carrying out the indicated addition or subtraction to get the final value.\"}]","Adding and Subtracting within 20 - Answer Key | PDF"]