- What comes after 8?
- Count by 3s: 9, 12, 15, 18, __
- What comes after 18?
- What is the next number in the sequence? 10, 20, __, 40, 50
- Count by 5s: 10, 15, 20, 25, __
- What is the next number in the sequence? 10, 15, 20, __, 30
- What is the next number in the sequence? 3, __, 9, 12, 15
- Count by 3s: 3, 6, 9, 12, __
- Count the circles: How many are there? (10 circles)
- What comes after 15?
- Count the flowers: How many are there? (6 flowers)
- What comes after 10?
- What comes after 2?
- Count by 5s: 0, 5, 10, 15, __
- What comes after 14?
- Count by 2s: 4, 6, 8, 10, __
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.