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\n1. 900 + 100 + 300 =   2. 700 + 900 + 500 =   3. 200 + 300 + 200 =   4. 200 + 800 + 200 =   5. 200 + 300 + 600 =   6. 700 + 800 + 700 =   7. 100 + 700 + 400 =   8. 900 + 500 + 900 =   9. 700 + 300 + 800 =   10. 100 + 500 + 200 =   11. 900 + 800 + 700 =   12. 300 + 900 + 300 =   13. 800 + 800 + 500 =   14. 500 + 500 + 100 =   15. 400 + 100 + 800 =   16. 400 + 600 + 600 =   17. 300 + 500 + 900 =   18. 700 + 500 + 300 =    \n19. 400 + 100 + 500 =   20. 300 + 100 + 600 =    \nMental math: adding whole hundreds  \n (3 addends)   \nGrade 4 Addition Worksheet  \nFind the sum.  \n1. 900 + 100 + 300 =  1,300  2. 700 + 900 + 500 =  2,100   \n3. 200 + 300 + 200 =  700  4. 200 + 800 + 200 =  1,200   \n5. 200 + 300 + 600 =  1,100  6. 700 + 800 + 700 =  2,200   \n7. 100 + 700 + 400 =  1,200  8. 900 + 500 + 900 =  2,300   \n9. 700 + 300 + 800 =  1,800  10. 100 + 500 + 200 =  800   \n11. 900 + 800 + 700 =  2,400  12. 300 + 900 + 300 =  1,500   \n13. 800 + 800 + 500 =  2,100  14. 500 + 500 + 100 =  1,100   \n15. 400 + 100 + 800 =  1,300  16. 400 + 600 + 600 =  1,600   \n17. 300 + 500 + 900 =  1,700  18. 700 + 500 + 300 =  1,500   \n19. 400 + 100 + 500 =  1,000  20. 300 + 100 + 600 =  1,000","cbCaieZ7lvyN7PGM","https://ap.wps.com/l/cbCaieZ7lvyN7PGM","pdf",14483,"English","# Grade 4 Addition Worksheet - Adding Whole Hundreds\n## Practice Problems\n## Answer Key","[{\"question\":\"What is the primary focus of this worksheet?\",\"answer\":\"This worksheet focuses on developing mental math skills by practicing the addition of three whole hundred addends for fourth-grade students.\"},{\"question\":\"How many addition problems are included in the document?\",\"answer\":\"The document includes 20 practice problems designed for elementary math students.\"},{\"question\":\"Does the document provide the solutions to the math problems?\",\"answer\":\"Yes, the document includes an answer key that provides the calculated sums for all 20 addition problems.\"}]","Grade 4 Addition Worksheet - Adding Whole Hundreds - 3 Addends | PDF"]