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sum.  \n1. 805 + 170  \n2. 581 + 10  \n3. 646 + 203  \n4. 560 + 307  \n5. 241 + 426  \n6. 431 + 323  \n7. 107 + 700  \n8. 835 + 101  \n9. 565 + 310  \n10. 437 + 351  \n11. 130 + 363  \n12. 258 + 230  \n13. 817 + 161  \n14. 600 + 138  \n15. 633 + 163  \n16. 877 + 112  \nAdding 3-digit numbers in columns  (no regrouping)   \nGrade 3 Addition Worksheet  \nFind the sum.  \n1. 805 + 170 975  \n5. 241 + 426  667   \n9. 565 + 310  875   \n13. 817 + 161  \n978  \n17. 801 + 105  \n906  \n2. 581 + 10 591  \n6. 431 + 323  \n 754   \n10. 437 + 351  788   \n14. 600 + 138  \n738  \n18. 915 + 22  \n937  \n3. 646 + 203  849   \n7. 107 + 700  807   \n11. 130 + 363  493   \n15. 633 + 163  \n796  \n19. 116  \n+ 742  \n  858    \n4. 560 + 307  867   \n8. 835 + 101  \n936  \n12. 258 + 230  \n488  \n16. 877 + 112  \n989  \n20. 444  \n+ 213  657","cbCair4alrq34QKR","https://ap.wps.com/l/cbCair4alrq34QKR","pdf",13621,"English","# Addition Practice Problems","[{\"question\":\"What level of mathematics is this worksheet intended for?\",\"answer\":\"This worksheet is designed for Grade 3 students.\"},{\"question\":\"Does this worksheet include regrouping in the addition problems?\",\"answer\":\"No, all the addition problems in this worksheet are designed to be solved without regrouping.\"},{\"question\":\"How many addition problems are included in this document?\",\"answer\":\"The worksheet contains a total of twenty addition problems.\"}]","Adding 3-Digit Numbers in Columns - Grade 3 Addition Worksheet | PDF"]