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Count back by 100s

Grade 3 math · Fieldbook Learning

Name ______________________ Date __________

Each number is 100 less.

  1. 717, 617, 517, 417, … Write the next three numbers and the rule.
  2. 757, 657, 557, 457, … Write the next three numbers and the rule.
  3. 743, 643, 543, 443, … Write the next three numbers and the rule.
  4. 739, 639, 539, 439, … Write the next three numbers and the rule.
  5. 758, 658, 558, 458, … Write the next three numbers and the rule.
  6. 826, 726, 626, 526, … Write the next three numbers and the rule.
  7. 866, 766, 666, 566, … Write the next three numbers and the rule.
  8. 899, 799, 699, 599, … Write the next three numbers and the rule.
  9. 852, 752, 652, 552, … Write the next three numbers and the rule.
  10. 799, 699, 599, 499, … Write the next three numbers and the rule.
  11. 964, 864, 764, 664, … Write the next three numbers and the rule.
  12. 984, 884, 784, 684, … Write the next three numbers and the rule.
  13. 881, 781, 681, … Write the next three numbers and the rule.
  14. 885, 785, 685, … Write the next three numbers and the rule.
  15. 989, 889, 789, … Write the next three numbers and the rule.
  16. 1,000, 900, 800, … Write the next three numbers and the rule.
  17. 999, 899, … Write the next three numbers and the rule.
  18. 902, 802, … Write the next three numbers and the rule.
  19. 983, 883, … Write the next three numbers and the rule.
  20. 940, 840, … Write the next three numbers and the rule.
More free practice: fieldbooklearning.com/practice/grade-3/count-back-by-100s/

Answer key: Count back by 100s

  1. 317, 217, 117, Start at 717; subtract 100 each time
  2. 357, 257, 157, Start at 757; subtract 100 each time
  3. 343, 243, 143, Start at 743; subtract 100 each time
  4. 339, 239, 139, Start at 739; subtract 100 each time
  5. 358, 258, 158, Start at 758; subtract 100 each time
  6. 426, 326, 226, Start at 826; subtract 100 each time
  7. 466, 366, 266, Start at 866; subtract 100 each time
  8. 499, 399, 299, Start at 899; subtract 100 each time
  9. 452, 352, 252, Start at 852; subtract 100 each time
  10. 399, 299, 199, Start at 799; subtract 100 each time
  11. 564, 464, 364, Start at 964; subtract 100 each time
  12. 584, 484, 384, Start at 984; subtract 100 each time
  13. 581, 481, 381, Start at 881; subtract 100 each time
  14. 585, 485, 385, Start at 885; subtract 100 each time
  15. 689, 589, 489, Start at 989; subtract 100 each time
  16. 700, 600, 500, Start at 1,000; subtract 100 each time
  17. 799, 699, 599, Start at 999; subtract 100 each time
  18. 702, 602, 502, Start at 902; subtract 100 each time
  19. 783, 683, 583, Start at 983; subtract 100 each time
  20. 740, 640, 540, Start at 940; subtract 100 each time