- Count the stars: How many are there? (8 stars)
- What is the next number in the sequence? 5, 10, __, 20, 25
- What is the next number in the sequence? 6, 9, __, 15, 18
- What comes after 8?
- Count by 5s: 5, 10, 15, 20, __
- Count by 2s: 6, 8, 10, 12, __
- What is the next number in the sequence? 10, __, 30, 40, 50
- What is the next number in the sequence? 9, __, 15, 18, 21
- What is the next number in the sequence? 9, 12, __, 18, 21
- Count by 3s: 3, 6, 9, 12, __
- What is the next number in the sequence? 10, 20, 30, __, 50
- Count by 10s: 0, 10, 20, 30, __
- What is the next number in the sequence? 5, 10, 15, __, 25
- Count the hearts: How many are there? (5 hearts)
- What comes after 4?
- What is the next number in the sequence? 3, 6, __, 12, 15
- 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.