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Drill problems 23 Estimate when dividing by 9 or 11 |
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11. 500 / 11 = 12. 300 / 11 = 13. 550 / 11 = 14. 24 / 1.1 = 15. 160 / 11 = 16. 0.22 / 1.1 = 17. 190 / 1.1 = 18. 3,100 / 110 = 19. 8.5 / 1.1 = 20. 810 / 11 = |
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1. 420 / 9 = 2. 340 / 9 = 3. 35 / 9 = 4. 63 / 9 = 5. 670 / 9 = 6. 380 / 9 = 7. 67 / 9 = 8. 26 / 9 = 9. 800 / 9 = 10. 810 / 9 = |
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1. 500 / 11 = 2. 110 / 11 = 3. 700 / 11 = 4. 200 / 11 = 5. 140 / 11 = 6. 330 / 11 = 7. 310 / 11 = 8. 800 / 11 = 9. 700 / 11 = 10. 190 / 11 = |
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11. 95 / 9 = 12. 390 / 9 = 13. 250 / 9 = 14. 77 / 9 = 15. 1,900 / 90 = 16. 39/ 0.9 = 17. 780 / 90 = 18. 7,000 / 900 = 19. 1.8 / 0.9 = 20. 1100 / 90 = |
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