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  10 + 10 =   3 + 3 =   8 + 8 =   6 + 6 =   7 + 7 =   5 + 5 =   9 + 9 =   6 + 6 =   8 + 8 =   4 + 4 =   9 + 9 =   6 + 6 =   10 + 10 =   6 + 6 =   8 + 8 =   9 + 9 =   1 + 1 =   2 + 2 =   7 + 7 =   9 + 9 =   2 + 2 =   9 + 9 =   9 + 9 =   9 + 9 =   5 + 5 =   7 + 7 =   7 + 7 =   3 + 3 =   7 + 7 =   9 + 9 =   6 + 6 =   1 + 1 =   1 + 1 =   5 + 5 =   9 + 9 =    \n10 + 10 =   9 + 9 =   8 + 8 =    \nAdding doubles   \nAddition Drills Worksheet  \nFind the sums.  \n2 + 2 =  4  9 + 9 =  18  4 + 4 =  8   \n1 + 1 =  2  10 + 10 =  20  3 + 3 =  6   \n8 + 8 =  16  6 + 6 =  12  7 + 7 =  14   \n5 + 5 =  10  9 + 9 =  18  6 + 6 =  12   \n8 + 8 =  16  4 + 4 =  8  9 + 9 =  18   \n6 + 6 =  12  10 + 10 =  20  6 + 6 =  12   \n8 + 8 =  16  9 + 9 =  18  1 + 1 =  2   \n2 + 2 =  4  7 + 7 =  14  9 + 9 =  18   \n2 + 2 =  4  9 + 9 =  18  9 + 9 =  18   \n9 + 9 =  18  5 + 5 =  10  7 + 7 =  14   \n7 + 7 =  14  3 + 3 =  6  7 + 7 =  14   \n9 + 9 =  18  6 + 6 =  12  1 + 1 =  2   \n1 + 1 =  2  5 + 5 =  10  9 + 9 =  18   \n10 + 10 =  20  9 + 9 =  18  8 + 8 =  16","cbCaieTUVrEv00cB","https://ap.wps.com/l/cbCaieTUVrEv00cB","pdf",43077,"English","# Addition Drills Worksheet\n## Practice Problems\n## Answer Key","[{\"question\":\"What is the primary objective of this worksheet?\",\"answer\":\"The primary objective is to help students practice and master the addition of doubles, such as 2+2 or 9+9, to improve their mental math speed.\"},{\"question\":\"What range of numbers does the addition drill cover?\",\"answer\":\"The drill includes addition problems for doubles ranging from 1+1 up to 10+10.\"},{\"question\":\"Is there a version of this worksheet with answers included?\",\"answer\":\"Yes, the document includes a completed section that provides the correct sum for every addition problem listed in the worksheet.\"}]","Adding Doubles - Addition Drills Worksheet | PDF",1791796674]