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 \n2) 3 + 1 =  \n3) The number before 5 is  \n4) nineteen plus one equals  \n5) The number after 8 is  \n6) The number before 12 is  \n7) The number after 17 is  \n8) What is 1 less than 9?  \n9) 14 + 1 =  \n1.  \n2.  \n3.  \n4.  \n5.  \n6.  \n7.  \n8.  \nAnswers  \n10) The number before 20 is  \n11) 19-1 =  \n12) What is 1 more than 13?  \n13) What is 1 more than 19?  \n14) fifteen minus one equals  \n15) 12 + 1 =  \n16) The number after 20 is  \n17) five minus one equals  \n18) eighteen plus one equals  \n19) twenty plus one equals  \n20) 6 + 1 =  \n9.  \n10.  \n11.  \n12.  \n13.  \n14.  \n15.  \n16.  \n17.  \n18.  \n19.  \n20.  \nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n8  \n1-10 11-20  \n95  \n45  \n90  \n40  \n85  \n35  \n80  \n30  \n75  \n25  \n70  \n20  \n65  \n15  \n60  \n10  \n55  \n5  \n50  \n0  \nFinding 1 More and 1 Less  \nName: Answer Key  \n\n| Solve each problem.\u003Cbr>1) What is 1 less than 12?  11 \u003Cbr>2) 3 + 1 =  4 \u003Cbr>3) The number before 5 is  4 \u003Cbr>4) nineteen plus one equals  20 \u003Cbr>5) The number after 8 is  9 \u003Cbr>6) The number before 12 is  11 \u003Cbr>7) The number after 17 is  18 \u003Cbr>8) What is 1 less than 9?  8 \u003Cbr>9) 14 + 1 =  15 \u003Cbr>10) The number before 20 is  19 \u003Cbr>11) 19-1 =  18 \u003Cbr>12) What is 1 more than 13?  14 \u003Cbr>13) What is 1 more than 19?  20 \u003Cbr>14) fifteen minus one equals  14 \u003Cbr>15) 12 + 1 =  13 \u003Cbr>16) The number after 20 is  21 \u003Cbr>17) five minus one equals  4 \u003Cbr>18) eighteen plus one equals  19 \u003Cbr>19) twenty plus one equals  21 \u003Cbr>20) 6 + 1 =  7  | Answers\u003Cbr>1.  11  2.  4  3.  4  4.  20  5.  9  6.  11  7.  18  8.  8  9.  15  10.  19  11.  18  12.  14  13.  20  14.  14  15.  13  16.  21  17.  4  18.  19  19.  21 \u003Cbr>20. 7 |\n| --- | --- |\n\nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n8  \n1-10 11-20  \n95  \n45  \n90  \n40  \n85  \n35  \n80  \n30  \n75  \n25  \n70  \n20  \n65  \n15  \n60  \n10  \n55  \n5  \n50  \n0  \nFinding 1 More and 1 Less  \nName:  \nSolve each problem.  \n11  \n19  \n18  \n1) What is 1 less than 12?  \n2) 3 + 1 =  \n3) The number before 5 is  \n4) nineteen plus one equals  \n5) The number after 8 is  \n6) The number before 12 is  \n7) The number after 17 is  \n4  \n4  \n11  \n8  \n15  \n9  \n20  \n18  \n14  \nAnswers  \n1.  \n2.  \n3.  \n4.  \n5.  \n6.  \n7.  \n8.  \n9.  \n10.  \n11.  \n12.  \n8) What is 1 less than 9?  \n9) 14 + 1 =  \n10) The number before 20 is  \n11) 19-1 =  \n12) What is 1 more than 13?  \nMath  \nModified  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n8  \n1-10 92  \n11-12 8  \n83  \n0  \n75 67 58 50 42 33 25 17","cbCaiiPD9w0jmAaX","https://ap.wps.com/l/cbCaiiPD9w0jmAaX","pdf",46057,"English","# Solve each problem\n## Answers","[{\"question\":\"What does this worksheet focus on?\",\"answer\":\"It focuses on computing numbers that are 1 more or 1 less than given numbers, including “before” and “after” number relationships.\"},{\"question\":\"How many problems are included?\",\"answer\":\"The answer key covers problems 1 through 20.\"},{\"question\":\"What kinds of questions are asked?\",\"answer\":\"Questions include statements like “What is 1 less than 12?”, “What is 1 more than 13?”, and “the number after 8,” as well as simple expressions using +1 or -1.\"}]","Finding 1 More and 1 Less - Answer Key | PDF"]