- What is the next number in the sequence? 9, 12, __, 18, 21
- Count by 10s: 10, 20, 30, 40, __
- What is the next number in the sequence? 8, __, 12, 14, 16
- Count the dots: How many are there? (13 dots)
- Count by 3s: 3, 6, 9, 12, __
- What is the next number in the sequence? 6, __, 10, 12, 14
- What is the next number in the sequence? 6, 8, 10, __, 14
- Count by 5s: 10, 15, 20, 25, __
- What comes after 12?
- What comes after 6?
- What is the next number in the sequence? 6, 9, __, 15, 18
- What is the next number in the sequence? 10, 15, __, 25, 30
- Count by 2s: 8, 10, 12, 14, __
- Count the triangles: How many are there? (19 triangles)
- What comes after 10?
- Count the flowers: How many are there? (5 flowers)
- What comes after 19?
- Count the dots: How many are there? (3 dots)
- Count by 5s: 5, 10, 15, 20, __
- What is the next number in the sequence? 10, 20, 30, __, 50
Practice counting 1 20 with free printable worksheets for Grade 1. Uniquely generated — reinforce key math skills with every set.
Frequently Asked Questions
How do I use this Counting 1 20 Grade 1 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.