Counting 1 To 20 — Set 50

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medium Set 50
  1. Count by 3s: 0, 3, 6, 9, __
  2. What comes after 2?
  3. Count the stars: How many are there? (19 stars)
  4. What is the next number in the sequence? 10, 15, 20, __, 30
  5. What comes after 16?
  6. Count by 5s: 0, 5, 10, 15, __
  7. Count the circles: How many are there? (14 circles)
  8. What is the next number in the sequence? 5, 10, __, 20, 25
  9. What comes after 7?
  10. What is the next number in the sequence? 9, 12, __, 18, 21
  11. What is the next number in the sequence? 3, 6, 9, __, 15
  12. What is the next number in the sequence? 6, __, 12, 15, 18
  13. What is the next number in the sequence? 10, __, 30, 40, 50
  14. What is the next number in the sequence? 10, 20, 30, __, 50
  15. Count by 3s: 6, 9, 12, 15, __
  16. What comes after 4?

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.

Is there an answer key?

Yes — every worksheet includes a complete answer key. Print it separately or view it on screen.

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