Counting 1 To 20 — Set 100

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medium Set 100
  1. What comes after 17?
  2. What is the next number in the sequence? 9, __, 15, 18, 21
  3. Count by 10s: 10, 20, 30, 40, __
  4. Count the hearts: How many are there? (2 hearts)
  5. Count by 10s: 0, 10, 20, 30, __
  6. Count the triangles: How many are there? (16 triangles)
  7. Count by 5s: 0, 5, 10, 15, __
  8. Count the hearts: How many are there? (11 hearts)
  9. Count by 5s: 5, 10, 15, 20, __
  10. What comes after 10?
  11. Count the apples: How many are there? (3 apples)
  12. What is the next number in the sequence? 5, 10, 15, __, 25
  13. Count the stars: How many are there? (13 stars)
  14. Count the flowers: How many are there? (10 flowers)
  15. What comes after 18?
  16. What is the next number in the sequence? 6, 9, __, 15, 18
  17. Count the flowers: How many are there? (4 flowers)
  18. Count the apples: How many are there? (4 apples)

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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