Counting 1 To 20 — Set 51

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medium Set 51
  1. What is the next number in the sequence? 3, 6, 9, __, 15
  2. Count by 3s: 6, 9, 12, 15, __
  3. What comes after 1?
  4. Count the apples: How many are there? (2 apples)
  5. What comes after 16?
  6. Count by 2s: 4, 6, 8, 10, __
  7. Count the dots: How many are there? (18 dots)
  8. Count by 5s: 10, 15, 20, 25, __
  9. What is the next number in the sequence? 10, 15, 20, __, 30
  10. What is the next number in the sequence? 8, 10, __, 14, 16
  11. Count by 10s: 0, 10, 20, 30, __
  12. What is the next number in the sequence? 5, __, 15, 20, 25
  13. What is the next number in the sequence? 5, 10, __, 20, 25
  14. What is the next number in the sequence? 5, 10, 15, __, 25
  15. What comes after 6?
  16. Count by 3s: 9, 12, 15, 18, __
  17. What comes after 4?
  18. Count by 5s: 0, 5, 10, 15, __

Practice counting 1 to 20 with free printable worksheets. Uniquely generated — reinforce key math skills with every set.

Frequently Asked Questions

How do I use this Counting 1 To 20 Worksheets worksheet?

Print the worksheet and complete the problems. Each set number generates a unique arrangement. Use the same set number for all students in a class for consistent assessment.

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