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sum.  \n1. 14 + 61 =   2. 22 + 43 =   3. 53 + 23 =   4. 8 + 15 =   5. 56 + 16 =   6. 74 + 18 =   7. 66 + 16 =   8. 29 + 30 =   9. 32 + 46 =   10. 61 + 25 =   11. 30 + 4 =   12. 76 + 10 =   13. 52 + 9 =   14. 20 + 59 =   15. 66 + 18 =   16. 30 + 57 =   17. 34 + 50 =   18. 10 + 35 =    \n19. 63 + 24 =   20. 87 + 19 =    \nMental math: adding two 2-digit numbers  (sum under 100)   \nGrade 4 Addition Worksheet  \nFind the sum.  \n1. 14 + 61 =  75  2. 22 + 43 =  65   \n3. 53 + 23 =  76  4. 8 + 15 =  23   \n5. 56 + 16 =  72  6. 74 + 18 =  92   \n7. 66 + 16 =  82  8. 29 + 30 =  59   \n9. 32 + 46 =  78  10. 61 + 25 =  86   \n11. 30 + 4 =  34  12. 76 + 10 =  86   \n13. 52 + 9 =  61  14. 20 + 59 =  79   \n15. 66 + 18 =  84  16. 30 + 57 =  87   \n17. 34 + 50 =  84  18. 10 + 35 =  45   \n19. 63 + 24 =  87  20. 87 + 19 =  106","cbCaibcIPFBM23ee","https://ap.wps.com/l/cbCaibcIPFBM23ee","pdf",13167,"English","# Addition Practice Problems\n## Answer Key","[{\"question\":\"What is the main focus of this worksheet?\",\"answer\":\"The worksheet focuses on improving mental math skills through addition problems involving two-digit numbers.\"},{\"question\":\"Who is the target audience for these exercises?\",\"answer\":\"These exercises are designed for Grade 4 students to practice and reinforce their addition capabilities.\"},{\"question\":\"Are the answers included in the document?\",\"answer\":\"Yes, the document provides both the addition problems and the computed results for self-checking.\"}]","Grade 4 Addition Worksheet - Mental Math Adding Two 2-Digit Numbers | PDF"]