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6 + 6 + 8 + 7 =   3) 0 + 2 + 8 + 4 =   4) 2 + 8 + 7 + 8 =   5) 8 + 3 + 1 + 0 =   6) 1 + 8 + 9 + 4 =   7) 5 + 2 + 8 + 3 =   8) 1 + 1 + 5 + 7 =   9) 3 + 2 + 2 + 3 =   10) 6 + 4 + 5 + 8 =   11) 8 + 2 + 6 + 7 =   12) 7 + 9 + 1 + 8 =   13) 6 + 4 + 4 + 2 =   14) 6 + 8 + 5 + 2 =   15) 1 + 7 + 7 + 1 =   16) 2 + 8 + 6 + 6 =   17) 8 + 8 + 3 + 1 =   18) 2 + 0 + 4 + 2 =    \n19) 3 + 2 + 5 + 3 =   20) 0 + 6 + 8 + 3 =    \nAdd 4 single-digit numbers   \nGrade 2 Addition Worksheet  \nFind the sum.  \n1) 2 + 7 + 0 + 7 = 16  2) 6 + 6 + 8 + 7 = 27   \n3) 0 + 2 + 8 + 4 = 14  4) 2 + 8 + 7 + 8 = 25   \n5) 8 + 3 + 1 + 0 = 12  6) 1 + 8 + 9 + 4 = 22   \n7) 5 + 2 + 8 + 3 = 18  8) 1 + 1 + 5 + 7 = 14   \n9) 3 + 2 + 2 + 3 = 10  10) 6 + 4 + 5 + 8 = 23   \n11) 8 + 2 + 6 + 7 = 23  12) 7 + 9 + 1 + 8 = 25   \n13) 6 + 4 + 4 + 2 = 16  14) 6 + 8 + 5 + 2 = 21   \n15) 1 + 7 + 7 + 1 = 16  16) 2 + 8 + 6 + 6 = 22   \n17) 8 + 8 + 3 + 1 = 20  18) 2 + 0 + 4 + 2 = 8   \n19) 3 + 2 + 5 + 3 = 13  20) 0 + 6 + 8 + 3 = 17","cbCaioWGIBMDZsY9","https://ap.wps.com/l/cbCaioWGIBMDZsY9","pdf",12953,"English","# Addition Exercises\n## Answer Key","[{\"question\":\"What is the primary objective of this worksheet?\",\"answer\":\"The primary objective is to help second-grade students practice and master the addition of four single-digit numbers to improve their mental arithmetic skills.\"},{\"question\":\"How many addition problems are included in this document?\",\"answer\":\"There are 20 individual addition problems presented in the worksheet, each requiring the sum of four single-digit integers.\"},{\"question\":\"Does this worksheet include the solutions?\",\"answer\":\"Yes, the document provides an answer key section where the results for all 20 addition problems are calculated and listed for review.\"}]","Grade 2 Addition Worksheet - Add 4 Single-Digit Numbers | PDF"]