Workbook Detail
Counting 1 To 20 — Set 13
What is the next number in the sequence? 9, 12, __, 18, 21
Show answer
Answer: 15
- SubType
- skip-counting
- Difficulty
- normal
Count by 2s: 2, 4, 6, 8, __
Show answer
Answer: 10
- SubType
- count-by
- Difficulty
- normal
What comes after 11?
Show answer
Answer: 12
- SubType
- what-comes-next
- Difficulty
- normal
Count the circles: How many are there? (2 circles)
Show answer
Answer: 2
- SubType
- count-objects
- Difficulty
- normal
Count the dots: How many are there? (12 dots)
Show answer
Answer: 12
- SubType
- count-objects
- Difficulty
- normal
What is the next number in the sequence? 10, 20, __, 40, 50
Show answer
Answer: 30
- SubType
- skip-counting
- Difficulty
- normal
Count the squares: How many are there? (9 squares)
Show answer
Answer: 9
- SubType
- count-objects
- Difficulty
- normal
Count the apples: How many are there? (11 apples)
Show answer
Answer: 11
- SubType
- count-objects
- Difficulty
- normal
What comes after 7?
Show answer
Answer: 8
- SubType
- what-comes-next
- Difficulty
- normal
Count by 3s: 0, 3, 6, 9, __
Show answer
Answer: 12
- SubType
- count-by
- Difficulty
- normal
Count the stars: How many are there? (17 stars)
Show answer
Answer: 17
- SubType
- count-objects
- Difficulty
- normal
What is the next number in the sequence? 6, 9, 12, __, 18
Show answer
Answer: 15
- SubType
- skip-counting
- Difficulty
- normal
What is the next number in the sequence? 10, 20, 30, __, 50
Show answer
Answer: 40
- SubType
- skip-counting
- Difficulty
- normal
Count by 2s: 0, 2, 4, 6, __
Show answer
Answer: 8
- SubType
- count-by
- Difficulty
- normal
Count by 3s: 3, 6, 9, 12, __
Show answer
Answer: 15
- SubType
- count-by
- Difficulty
- normal
Count by 2s: 8, 10, 12, 14, __
Show answer
Answer: 16
- SubType
- count-by
- Difficulty
- normal
Teaching Notes
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.