- Count by 5s: 0, 5, 10, 15, __
- What is the next number in the sequence? 10, 20, __, 40, 50
- What comes after 19?
- Count by 2s: 0, 2, 4, 6, __
- What comes after 16?
- Count by 10s: 10, 20, 30, 40, __
- What is the next number in the sequence? 4, __, 8, 10, 12
- Count by 5s: 10, 15, 20, 25, __
- What is the next number in the sequence? 9, 12, 15, __, 21
- What comes after 9?
- What is the next number in the sequence? 6, 9, __, 15, 18
- What comes after 3?
- What is the next number in the sequence? 5, 10, __, 20, 25
- Count the apples: How many are there? (15 apples)
- Count the squares: How many are there? (13 squares)
- Count the hearts: How many are there? (2 hearts)
- Count the circles: How many are there? (15 circles)
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.