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The document serves as a structured practice tool for classroom or home learning environments, reinforcing foundational math concepts through repetitive, guided exercise. By completing these problems, students gain essential experience in performing decimal addition, which is a critical skill for their ongoing academic progress in mathematics. 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8.9 =   2. 6.8 + 0.3 =   3. 7.8 + 8.8 =   4. 1.9 + 6.8 =   5. 9.0 + 3.4 =   6. 9.9 + 9.8 =   7. 2.7 + 1.7 =   8. 7.9 + 3.5 =   9. 8.5 + 9.5 =   10. 3.8 + 6.3 =   11. 3.3 + 5.8 =   12. 0.5 + 1.0 =   13. 9.3 + 2.9 =   14. 6.8 + 1.4 =   15. 4.7 + 3.1 =   16. 1.1 + 3.4 =   17. 4.0 + 5.5 =   18. 1.2 + 7.0 =    \n19. 5.5 + 6.3 =   20. 1.3 + 0.5 =    \nAdding decimals (1 decimal digit)  \nGrade 3 Decimals Worksheet  \nFind the sum .  \n1. 8.5 + 8.9 =  17.4  2. 6.8 + 0.3 =  7.1   \n3. 7.8 + 8.8 =  16.6  4. 1.9 + 6.8 =  8.7   \n5. 9.0 + 3.4 =  12.4  6. 9.9 + 9.8 =  19.7   \n7. 2.7 + 1.7 =  4.4  8. 7.9 + 3.5 =  11.4   \n9. 8.5 + 9.5 =  18.0  10. 3.8 + 6.3 =  10.1   \n11. 3.3 + 5.8 =  9.1  12. 0.5 + 1.0 =  1.5   \n13. 9.3 + 2.9 =  12.2  14. 6.8 + 1.4 =  8.2   \n15. 4.7 + 3.1 =  7.8  16. 1.1 + 3.4 =  4.5   \n17. 4.0 + 5.5 =  9.5  18. 1.2 + 7.0 =  8.2   \n19. 5.5 + 6.3 =  11.8  20. 1.3 + 0.5 =  1.8   \nOnline reading & math for K-5 © 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