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Count by 2s

Grade 1 math · Fieldbook Learning

Name ______________________ Date __________

Look at how each number changes. Write the next three numbers and the rule.

  1. 19, 21, 23, 25, 27, … Write the next three numbers and the rule.
  2. 6, 8, 10, 12, 14, … Write the next three numbers and the rule.
  3. 38, 40, 42, 44, 46, … Write the next three numbers and the rule.
  4. 49, 51, 53, 55, 57, … Write the next three numbers and the rule.
  5. 83, 85, 87, 89, … Write the next three numbers and the rule.
  6. 5, 7, 9, 11, … Write the next three numbers and the rule.
  7. 36, 38, 40, 42, … Write the next three numbers and the rule.
  8. 86, 88, 90, 92, … Write the next three numbers and the rule.
  9. 93, 95, 97, … Write the next three numbers and the rule.
  10. 28, 30, 32, … Write the next three numbers and the rule.
  11. 51, 53, 55, … Write the next three numbers and the rule.
  12. 8, 10, 12, … Write the next three numbers and the rule.
  13. 65, 63, 61, 59, … Write the next three numbers and the rule.
  14. 90, 88, 86, 84, … Write the next three numbers and the rule.
  15. 40, 38, 36, 34, … Write the next three numbers and the rule.
  16. 78, 76, 74, 72, … Write the next three numbers and the rule.
  17. 56, 54, 52, … Write the next three numbers and the rule.
  18. 30, 28, 26, … Write the next three numbers and the rule.
  19. 28, 26, 24, … Write the next three numbers and the rule.
  20. 108, 106, 104, … Write the next three numbers and the rule.
More free practice: fieldbooklearning.com/practice/grade-1/count-by-2s/

Answer key: Count by 2s

  1. 29, 31, 33, Start at 19; add 2 each time
  2. 16, 18, 20, Start at 6; add 2 each time
  3. 48, 50, 52, Start at 38; add 2 each time
  4. 59, 61, 63, Start at 49; add 2 each time
  5. 91, 93, 95, Start at 83; add 2 each time
  6. 13, 15, 17, Start at 5; add 2 each time
  7. 44, 46, 48, Start at 36; add 2 each time
  8. 94, 96, 98, Start at 86; add 2 each time
  9. 99, 101, 103, Start at 93; add 2 each time
  10. 34, 36, 38, Start at 28; add 2 each time
  11. 57, 59, 61, Start at 51; add 2 each time
  12. 14, 16, 18, Start at 8; add 2 each time
  13. 57, 55, 53, Start at 65; subtract 2 each time
  14. 82, 80, 78, Start at 90; subtract 2 each time
  15. 32, 30, 28, Start at 40; subtract 2 each time
  16. 70, 68, 66, Start at 78; subtract 2 each time
  17. 50, 48, 46, Start at 56; subtract 2 each time
  18. 24, 22, 20, Start at 30; subtract 2 each time
  19. 22, 20, 18, Start at 28; subtract 2 each time
  20. 102, 100, 98, Start at 108; subtract 2 each time