- Count by 3s: 99, 102, 105, 108, __
- What is the next number in the sequence? 153, 156, 159, __, 165
- Count the dots: How many are there? (238 dots)
- Count the triangles: How many are there? (292 triangles)
- What is the next number in the sequence? 420, 423, __, 429, 432
- Count the hearts: How many are there? (966 hearts)
- What comes after 411?
- Count the squares: How many are there? (201 squares)
- What is the next number in the sequence? 114, 117, __, 123, 126
- What is the next number in the sequence? 432, 435, 438, __, 444
- Count by 2s: 456, 458, 460, 462, __
- Count the hearts: How many are there? (715 hearts)
- Count by 3s: 267, 270, 273, 276, __
- Count the squares: How many are there? (416 squares)
- What comes after 870?
- What comes after 793?
- Count by 10s: 500, 510, 520, 530, __
- Count the triangles: How many are there? (369 triangles)
- Count the triangles: How many are there? (461 triangles)
- What comes after 932?
Practice counting 1 20 with free printable worksheets for Grade 3. Uniquely generated — reinforce key math skills with every set.
Frequently Asked Questions
How do I use this Counting 1 20 Grade 3 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.