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Look for a ten. Find each sum and explain your strategy.  \n1)  \n5)  \n9)  \n13)  \n17)  \n7  \n1  \n+ 3  \n2  \n3  \n+ 1  \n5  \n2  \n+ 3  \n4  \n9  \n+ 1  \n3  \n3  \n+ 2  \n2)  \n6)  \n10)  \n14)  \n18)  \n5  \n8  \n+ 3  \n1  \n5  \n+ 9  \n2  \n5  \n+ 7  \n3  \n8  \n+ 1  \n5  \n4  \n+ 8  \n3)  \n7)  \n11)  \n15)  \n19)  \n2  \n6  \n+ 1  \n9  \n4  \n+ 4  \n9  \n4  \n+ 2  \n7  \n1  \n+ 2  \n2  \n4  \n+ 2  \n4)  \n8)  \n12)  \n16)  \n20)  \n1  \n8  \n+ 6  \n1  \n9  \n+ 1  \n2  \n2  \n+ 2  \n6  \n5  \n+ 8  \n6  \n2  \n+ 9  \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)  \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 Multiple Addends (Within 20)  \nName: Answer Key  \n\n| Group or reorder the addends to make adding easier. Look for a ten. Find each sum and explain your strategy. |  |  |  |  |  |  |  | Answers\u003Cbr>1.  11  2.  16  3.  9  4.  15  5.  6  6.  15  7.  17  8.  11  9.  10  10.  14  11.  15  12.  6  13.  14  14.  12  15.  10  16.  19  17.  8  18.  17  19.  8 \u003Cbr>20. 17 |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 1)\u003Cbr>5)\u003Cbr>9)\u003Cbr>13)\u003Cbr>17) | 71\u003Cbr>+ 3 \u003Cbr>1 1\u003Cbr>23\u003Cbr>+ 1 \u003Cbr>6\u003Cbr>52\u003Cbr>+ 3 \u003Cbr>1 0\u003Cbr>49\u003Cbr>+ 1 \u003Cbr>1 4\u003Cbr>33\u003Cbr>+ 2 \u003Cbr>8 | 2)\u003Cbr>6)\u003Cbr>10)\u003Cbr>14)\u003Cbr>18) | 58\u003Cbr>+ 3 \u003Cbr>1 6\u003Cbr>15\u003Cbr>+ 9 \u003Cbr>1 5\u003Cbr>25\u003Cbr>+ 7 \u003Cbr>1 4\u003Cbr>38\u003Cbr>+ 1 \u003Cbr>1 2\u003Cbr>54\u003Cbr>+ 8 \u003Cbr>1 7 | 3)\u003Cbr>7)\u003Cbr>11)\u003Cbr>15)\u003Cbr>19) | 26\u003Cbr>+ 1 \u003Cbr>9\u003Cbr>94\u003Cbr>+ 4 \u003Cbr>1 7\u003Cbr>94\u003Cbr>+ 2 \u003Cbr>1 5\u003Cbr>71\u003Cbr>+ 2 \u003Cbr>1 0\u003Cbr>24\u003Cbr>+ 2 \u003Cbr>8 | 4)\u003Cbr>8)\u003Cbr>12)\u003Cbr>16)\u003Cbr>20) | 18\u003Cbr>+ 6 \u003Cbr>1 5\u003Cbr>19\u003Cbr>+ 1 \u003Cbr>1 1\u003Cbr>22\u003Cbr>+ 2 \u003Cbr>6\u003Cbr>65\u003Cbr>+ 8 \u003Cbr>1 9\u003Cbr>62\u003Cbr>+ 9 \u003Cbr>1 7 |  |\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 Multiple Addends (Within 20)  \nName:  \n\n| Group or reorder the addends to make adding easier. Look for a ten. Find each sum and explain your strategy. | 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>11 15 10 16\u003Cbr>6 11 17 15\u003Cbr>14 9 15 6 |  |\n| 1) 7 2) 5 3) 2 4) 1\u003Cbr>1 8 6 8\u003Cbr>+ 3   + 3  + 1   + 6 \u003Cbr>5) 2 6) 1 7) 9 8) 1\u003Cbr>3 5 4 9\u003Cbr>+ 1   + 9   + 4   + 1 \u003Cbr>9) 5 10) 2 11) 9 12) 2\u003Cbr>2 5 4 2\u003Cbr>+ 3   + 7   + 2  + 2  |  |\n\nMath  \nModified  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n9  \n1-10 11-12  \n\n| 92 | 83 | 75 | 67 | 58 | 50 | 42 | 33 | 25 | 17 |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 8 | 0 |  |  |  |  |  |  |  |  |","cbCaimiBRk3CZ0WT","https://ap.wps.com/l/cbCaimiBRk3CZ0WT","pdf",46890,"English","# Group or reorder the addends to make adding easier\n## Find each sum and explain your strategy\n## Answer key (1-20)","[{\"question\":\"What is the main strategy encouraged for the problems within 20?\",\"answer\":\"Group or reorder the addends to make adding easier, especially by looking for a ten in the numbers.\"},{\"question\":\"What should students do for each numbered problem?\",\"answer\":\"Find the sum for each set of addends and explain the strategy used to compute it.\"},{\"question\":\"What information does the worksheet provide at the end?\",\"answer\":\"An answer key listing the results for problems 1 through 20, along with a math worksheet reference section.\"}]","Adding Multiple Addends (Within 20) - Answer Key - Math | PDF"]