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100, 200, 300, 400, ____, ____, ____, ___

100, 200, 300, 400, ____, ____, ____, ___. 2-1. 200, 300, 400, 500, ___, ____, ___, ____. 2-2. 310, 320, 330, 340, ___, ___, ___, ___. 2-3. 130, 140, 150, 160 ___, ___, ___, ___. 2-4. 740, 750, 760, 770, ___, ___, ___, ___. 2-5. 100, 150, 200, 250 ___, ___, ___, ___. 3-1.

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100, 200, 300, 400, ____, ____, ____, ___

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  1. 100, 200, 300, 400,____, ____, ____, ___ 2-1

  2. 200, 300, 400, 500, ___, ____, ___, ____ 2-2

  3. 310, 320, 330, 340,___, ___, ___, ___ 2-3

  4. 130, 140, 150, 160___, ___, ___, ___ 2-4

  5. 740, 750, 760, 770, ___, ___, ___, ___ 2-5

  6. 100, 150, 200, 250___, ___, ___, ___ 3-1

  7. 400, 450, 500, 550, ___, ___, ___, ___ 3-2

  8. 350, 400, 450, 500,___, ___, ___, ___ 3-3

  9. 100, 125, 150, 175,___, ___, ___, ___ 3-4

  10. 625, 650, 675, 700,___, ___, ___, ___ 3-5

  11. Round 424 to the nearest 50 4-1

  12. Round 299 to the nearest 50. 4-2

  13. Round 342 to the nearest 50. 4-3

  14. Round 492 to the nearest 25. 4-4

  15. Round 372 to the nearest 25. 4-5

  16. Round to the nearest 10583 5-1

  17. Round to the nearest 100 247 5-2

  18. Round to the nearest 25. 368 5-3

  19. Round to the nearest 50. 421 5-4

  20. Round to the nearest 50. 580 5-5

  21. Is this estimate high or low? 326 + 402 Estimate: 300 + 400 = 700 6-1

  22. Is this estimate high or low? 348 + 221 Estimate: 350 + 225 = 575 6-2

  23. Is this estimate high or low? 538 + 135 Estimate: 540 + 140 = 680 6-3

  24. Is this estimate high or low? 749 – 89 Estimate: 749 – 100 = 649 6-4

  25. Is this estimate high or low? 764 – 105 Estimate: 764 - 100 6-5

  26. What is the total? 8-1

  27. What is the total? 8-2

  28. What is the total? 8-3

  29. What is the total? 8-4

  30. What is the total? 8-5

  31. Answer each38 – 10 = ___38 – 20 = ___38 – 30 = ___ 9-1

  32. Answer each47 – 10 = ___47 – 20 = ___47 – 30 = ___ 9-2

  33. Answer each65 – 10 = ___65 – 20 = ___65 – 30 = ___ 9-3

  34. Answer57 – 30 = ___ 9-4

  35. Answer83 – 50 = ___ 9-5

  36. Show me the total for each198 + 100 = ___198 + 200 = ___198 + 300 = ___ 10-1

  37. Show me the total for each276 + 300 = ___276 + 400 = ___276 + 500 = ___ 10-2

  38. Show me the total for each132 + 200 = ___132 + 400 = ___132 + 600 = ___ 10-3

  39. Show me the total438 + 100 = ___ 10-4

  40. Show me the total591 + 400 = ___ 10-5

  41. Show me the total for each578 - 100 = ___578 - 200 = ___578 - 300 = ___ 11-1

  42. Show me the total for each834 - 200 = ___834 - 300 = ___834 - 400 = ___ 11-2

  43. Show me the total for each716 - 100 = ___716 - 300 = ___716 - 500 = ___ 11-3

  44. Show me the total924 - 300 = ___ 11-4

  45. Show me the total for each593 - 200 = ___ 11-5

  46. Show me the total400 + 30 = ___ 12-1

  47. Show me the total800 + 50 = ___ 12-2

  48. Show me the total500 + 30 = ___ 12-3

  49. Show me the total900 + 70 = ___ 12-4

  50. Show me the total600 + 20 = ___ 12-5

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