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Each item follows the format a two-digit multiple of ten plus a two-digit number, with the computed sum listed. The problems cover values from 10 through 80 for the ten-multiple addend, supporting quick checking of student responses and reinforcing place-value patterns in basic arithmetic 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many problems are included in the answer key?","Question",{"text":112,"@type":113},"The document lists answers for 20 addition problems.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What kind of numbers are used in the additions?",{"text":117,"@type":113},"Each problem adds a multiple of ten (e.g., 10, 20, 30) to another two-digit number.",{"name":119,"@type":110,"acceptedAnswer":120},"Where can the worksheet/source be found?",{"text":121,"@type":113},"The document references 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25 =  \n5.  \n6) 20 + 53 =  \n6.  \n7) 40 + 38 =  \n7.  \n8) 60 + 14 =  \n8.  \n9) 40 + 32 =  \nAnswers  \n10) 10 + 50 = 11) 40 + 34 = 12) 70 + 23 = 13) 50 + 24 = 14) 30 + 23 = 15) 10 + 48 = 16) 50 + 33 = 17) 50 + 12 = 18) 50 + 46 = 19) 30 + 21 =  \n20) 10 + 65 =  \n9.  \n10.  \n11.  \n12.  \n13.  \n14.  \n15.  \n16.  \n17.  \n18.  \n19.  \n20.  \nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n9  \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 Multiples of Ten  \nName: Answer Key  \n\n| Solve each problem.\u003Cbr>1) 60 + 39 =  99 \u003Cbr>2) 50 + 14 =  64 \u003Cbr>3) 30 + 31 =  61 \u003Cbr>4) 80 + 18 =  98 \u003Cbr>5) 50 + 25 =  75 \u003Cbr>6) 20 + 53 =  73 \u003Cbr>7) 40 + 38 =  78 \u003Cbr>8) 60 + 14 =  74 \u003Cbr>9) 40 + 32 =  72 \u003Cbr>10) 10 + 50 =  60 \u003Cbr>11) 40 + 34 =  74 \u003Cbr>12) 70 + 23 =  93 \u003Cbr>13) 50 + 24 =  74 \u003Cbr>14) 30 + 23 =  53 \u003Cbr>15) 10 + 48 =  58 \u003Cbr>16) 50 + 33 =  83 \u003Cbr>17) 50 + 12 =  62 \u003Cbr>18) 50 + 46 =  96 \u003Cbr>19) 30 + 21 =  51 \u003Cbr>20) 10 + 65 =  75  | Answers\u003Cbr>1.  99  2.  64  3.  61  4.  98  5.  75  6.  73  7.  78  8.  74  9.  72  10.  60  11.  74  12.  93  13.  74  14.  53  15.  58  16.  83  17.  62  18.  96  19.  51 \u003Cbr>20. 75 |\n| --- | --- |\n\nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n9  \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 Multiples of Ten  \nName:  \nSolve each problem.  \n74 98 60 78  \n74 64 99 73  \n61 75 93 72  \n1) 60 + 39 =  \n2) 50 + 14 =  \n3) 30 + 31 =  \n4) 80 + 18 =  \n5) 50 + 25 =  \n6) 20 + 53 =  \n7) 40 + 38 =  \n8) 60 + 14 =  \n9) 40 + 32 =  \n10) 10 + 50 =  \n11) 40 + 34 =  \n12) 70 + 23 =  \nAnswers  \n1.  \n2.  \n3.  \n4.  \n5.  \n6.  \n7.  \n8.  \n9.  \n10.  \n11.  \n12.  \nMath  \nModified  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n9  \n1-10 92  \n11-12 8  \n83  \n0  \n75 67 58 50 42 33 25 17","cbCaiiMVByKlgCz0","https://ap.wps.com/l/cbCaiiMVByKlgCz0","pdf",45323,"English","# Solve each problem\n# Answers","[{\"question\":\"How many problems are included in the answer key?\",\"answer\":\"The document lists answers for 20 addition problems.\"},{\"question\":\"What kind of numbers are used in the additions?\",\"answer\":\"Each problem adds a multiple of ten (e.g., 10, 20, 30) to another two-digit number.\"},{\"question\":\"Where can the worksheet/source be found?\",\"answer\":\"The document references www.CommonCoreSheets.com.\"}]","Adding Multiples of Ten - Answer Key - Solve each problem | PDF"]