Counting 1 To 20 — Set 81

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medium Set 81
  1. Count by 3s: 6, 9, 12, 15, __
  2. What is the next number in the sequence? 6, 8, __, 12, 14
  3. Count the dots: How many are there? (8 dots)
  4. Count the stars: How many are there? (14 stars)
  5. What comes after 18?
  6. Count the flowers: How many are there? (10 flowers)
  7. What is the next number in the sequence? 6, 8, 10, __, 14
  8. What is the next number in the sequence? 5, __, 15, 20, 25
  9. Count the hearts: How many are there? (13 hearts)
  10. Count by 3s: 0, 3, 6, 9, __
  11. Count the flowers: How many are there? (8 flowers)
  12. Count the apples: How many are there? (18 apples)
  13. What comes after 10?
  14. Count the hearts: How many are there? (6 hearts)
  15. What is the next number in the sequence? 10, 20, 30, __, 50
  16. Count the dots: How many are there? (11 dots)
  17. Count the hearts: How many are there? (5 hearts)
  18. Count the triangles: How many are there? (9 triangles)
  19. Count by 10s: 10, 20, 30, 40, __

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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