Counting 1 To 20 — Set 18

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

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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