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Count up by 50s

Year 4 maths · Fieldbook Learning

Name ______________________ Date __________

Look at the tens digit. It flips between two digits.

  1. 23, 73, 123, 173, … Write the next three numbers and the rule.
  2. 40, 90, 140, 190, … Write the next three numbers and the rule.
  3. 156, 206, 256, 306, … Write the next three numbers and the rule.
  4. 184, 234, 284, 334, … Write the next three numbers and the rule.
  5. 155, 205, 255, 305, … Write the next three numbers and the rule.
  6. 305, 355, 405, 455, … Write the next three numbers and the rule.
  7. 396, 446, 496, 546, … Write the next three numbers and the rule.
  8. 233, 283, 333, 383, … Write the next three numbers and the rule.
  9. 322, 372, 422, 472, … Write the next three numbers and the rule.
  10. 637, 687, 737, 787, … Write the next three numbers and the rule.
  11. 615, 665, 715, 765, … Write the next three numbers and the rule.
  12. 343, 393, 443, 493, … Write the next three numbers and the rule.
  13. 455, 505, 555, … Write the next three numbers and the rule.
  14. 432, 482, 532, … Write the next three numbers and the rule.
  15. 24, 74, 124, … Write the next three numbers and the rule.
  16. 257, 307, 357, … Write the next three numbers and the rule.
  17. 787, 837, … Write the next three numbers and the rule.
  18. 729, 779, … Write the next three numbers and the rule.
  19. 458, 508, … Write the next three numbers and the rule.
  20. 297, 347, … Write the next three numbers and the rule.
More free practice: fieldbooklearning.com/uk/practice/year-4/count-up-by-50s/

Answer key: Count up by 50s

  1. 223, 273, 323, Start at 23; add 50 each time
  2. 240, 290, 340, Start at 40; add 50 each time
  3. 356, 406, 456, Start at 156; add 50 each time
  4. 384, 434, 484, Start at 184; add 50 each time
  5. 355, 405, 455, Start at 155; add 50 each time
  6. 505, 555, 605, Start at 305; add 50 each time
  7. 596, 646, 696, Start at 396; add 50 each time
  8. 433, 483, 533, Start at 233; add 50 each time
  9. 522, 572, 622, Start at 322; add 50 each time
  10. 837, 887, 937, Start at 637; add 50 each time
  11. 815, 865, 915, Start at 615; add 50 each time
  12. 543, 593, 643, Start at 343; add 50 each time
  13. 605, 655, 705, Start at 455; add 50 each time
  14. 582, 632, 682, Start at 432; add 50 each time
  15. 174, 224, 274, Start at 24; add 50 each time
  16. 407, 457, 507, Start at 257; add 50 each time
  17. 887, 937, 987, Start at 787; add 50 each time
  18. 829, 879, 929, Start at 729; add 50 each time
  19. 558, 608, 658, Start at 458; add 50 each time
  20. 397, 447, 497, Start at 297; add 50 each time