- Count by 10s: 0, 10, 20, 30, __
- Count the apples: How many are there? (19 apples)
- What is the next number in the sequence? 9, __, 15, 18, 21
- What is the next number in the sequence? 6, __, 12, 15, 18
- What comes after 9?
- What comes after 7?
- What comes after 3?
- Count by 3s: 6, 9, 12, 15, __
- Count by 10s: 10, 20, 30, 40, __
- Count by 2s: 10, 12, 14, 16, __
- What is the next number in the sequence? 10, __, 20, 25, 30
- Count the hearts: How many are there? (10 hearts)
- Count the stars: How many are there? (12 stars)
- Count the triangles: How many are there? (17 triangles)
- Count by 3s: 9, 12, 15, 18, __
- Count by 2s: 2, 4, 6, 8, __
- What is the next number in the sequence? 3, 6, __, 12, 15
- What comes after 6?
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.