- What is the next number in the sequence? 6, 9, __, 15, 18
- Count the apples: How many are there? (12 apples)
- What comes after 8?
- Count by 2s: 8, 10, 12, 14, __
- What is the next number in the sequence? 10, 20, 30, __, 50
- What comes after 9?
- What is the next number in the sequence? 10, 20, __, 40, 50
- Count the hearts: How many are there? (6 hearts)
- Count by 2s: 6, 8, 10, 12, __
- Count by 10s: 10, 20, 30, 40, __
- Count the dots: How many are there? (15 dots)
- Count the hearts: How many are there? (14 hearts)
- Count the apples: How many are there? (16 apples)
- What comes after 10?
- What comes after 11?
- Count by 10s: 0, 10, 20, 30, __
- Count the flowers: How many are there? (3 flowers)
- Count by 2s: 2, 4, 6, 8, __
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.