Workbook Detail
Counting 1 To 20 — Set 70
What is the next number in the sequence? 10, 20, __, 40, 50
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Answer: 30
- SubType
- skip-counting
- Difficulty
- normal
What is the next number in the sequence? 4, __, 8, 10, 12
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Answer: 6
- SubType
- skip-counting
- Difficulty
- normal
Count the flowers: How many are there? (11 flowers)
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Answer: 11
- SubType
- count-objects
- Difficulty
- normal
Count by 3s: 9, 12, 15, 18, __
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Answer: 21
- SubType
- count-by
- Difficulty
- normal
Count the circles: How many are there? (17 circles)
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Answer: 17
- SubType
- count-objects
- Difficulty
- normal
Count by 2s: 10, 12, 14, 16, __
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Answer: 18
- SubType
- count-by
- Difficulty
- normal
What comes after 9?
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Answer: 10
- SubType
- what-comes-next
- Difficulty
- normal
Count the flowers: How many are there? (6 flowers)
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Answer: 6
- SubType
- count-objects
- Difficulty
- normal
What is the next number in the sequence? 5, 10, 15, __, 25
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Answer: 20
- 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 the stars: How many are there? (3 stars)
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Answer: 3
- SubType
- count-objects
- Difficulty
- normal
Count by 5s: 10, 15, 20, 25, __
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Answer: 30
- SubType
- count-by
- Difficulty
- normal
What comes after 1?
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Answer: 2
- SubType
- what-comes-next
- Difficulty
- normal
Count by 2s: 2, 4, 6, 8, __
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Answer: 10
- SubType
- count-by
- Difficulty
- normal
What is the next number in the sequence? 9, 12, 15, __, 21
Show answer
Answer: 18
- SubType
- skip-counting
- Difficulty
- normal
What comes after 14?
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Answer: 15
- SubType
- what-comes-next
- Difficulty
- normal
What is the next number in the sequence? 5, __, 15, 20, 25
Show answer
Answer: 10
- SubType
- skip-counting
- Difficulty
- normal
Count by 3s: 6, 9, 12, 15, __
Show answer
Answer: 18
- 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.