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900 + 100 =   2. 800 + 500 + 400 =   3. 900 + 400 + 200 =   4. 700 + 600 + 400 =   5. 800 + 600 + 500 =   6. 700 + 600 + 100 =   7. 100 + 300 + 400 =   8. 800 + 300 + 900 =   9. 400 + 900 + 900 =   10. 400 + 300 + 700 =   11. 400 + 900 + 400 =   12. 500 + 600 + 700 =   13. 600 + 300 + 500 =   14. 800 + 200 + 200 =   15. 500 + 800 + 300 =   16. 600 + 300 + 400 =   17. 300 + 700 + 600 =   18. 400 + 400 + 200 =    \n19. 300 + 600 + 700 =   20. 100 + 500 + 500 =    \nAdding whole hundreds (3 addends)   \nGrade 3 Addition Worksheet  \nFind the sum.  \n1. 500 + 900 + 100 =  1,500  2. 800 + 500 + 400 =  1,700   \n3. 900 + 400 + 200 =  1,500  4. 700 + 600 + 400 =  1,700   \n5. 800 + 600 + 500 =  1,900  6. 700 + 600 + 100 =  1,400   \n7. 100 + 300 + 400 =  800  8. 800 + 300 + 900 =  2,000   \n9. 400 + 900 + 900 =  2,200  10. 400 + 300 + 700 =  1,400   \n11. 400 + 900 + 400 =  1,700  12. 500 + 600 + 700 =  1,800   \n13. 600 + 300 + 500 =  1,400  14. 800 + 200 + 200 =  1,200   \n15. 500 + 800 + 300 =  1,600  16. 600 + 300 + 400 =  1,300   \n17. 300 + 700 + 600 =  1,600  18. 400 + 400 + 200 =  1,000   \n19. 300 + 600 + 700 =  1,600  20. 100 + 500 + 500 =  1,100","cbCaidR6gy1OcFbR","https://ap.wps.com/l/cbCaidR6gy1OcFbR","pdf",14391,"English","# Addition Exercises\n## Answer Key","[{\"question\":\"What level of mathematics is this worksheet intended for?\",\"answer\":\"This worksheet is designed for Grade 3 students to practice addition.\"},{\"question\":\"How many addition problems are included in this document?\",\"answer\":\"There are 20 addition problems in total, each involving the summation of three whole hundreds.\"},{\"question\":\"Does the document provide solutions to the problems?\",\"answer\":\"Yes, the document includes a second section that provides the correct answers for all 20 addition problems.\"}]","Adding Whole Hundreds - 3 Addends - Grade 3 Addition Worksheet | PDF"]