Workbook Detail
Counting 1 To 20 — Set 30
What is the next number in the sequence? 10, 20, 30, __, 50
Show answer
Answer: 40
- SubType
- skip-counting
- Difficulty
- normal
Count by 10s: 10, 20, 30, 40, __
Show answer
Answer: 50
- SubType
- count-by
- Difficulty
- normal
Count the circles: How many are there? (20 circles)
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Answer: 20
- SubType
- count-objects
- Difficulty
- normal
What is the next number in the sequence? 8, __, 12, 14, 16
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Answer: 10
- SubType
- skip-counting
- Difficulty
- normal
Count by 3s: 6, 9, 12, 15, __
Show answer
Answer: 18
- SubType
- count-by
- Difficulty
- normal
Count the triangles: How many are there? (10 triangles)
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Answer: 10
- SubType
- count-objects
- Difficulty
- normal
What comes after 6?
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Answer: 7
- SubType
- what-comes-next
- Difficulty
- normal
Count the apples: How many are there? (2 apples)
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Answer: 2
- SubType
- count-objects
- Difficulty
- normal
What comes after 4?
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Answer: 5
- SubType
- what-comes-next
- Difficulty
- normal
What comes after 16?
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Answer: 17
- SubType
- what-comes-next
- Difficulty
- normal
What is the next number in the sequence? 3, __, 9, 12, 15
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Answer: 6
- SubType
- skip-counting
- Difficulty
- normal
Count by 3s: 0, 3, 6, 9, __
Show answer
Answer: 12
- SubType
- count-by
- Difficulty
- normal
What is the next number in the sequence? 10, __, 30, 40, 50
Show answer
Answer: 20
- SubType
- skip-counting
- Difficulty
- normal
What comes after 11?
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Answer: 12
- SubType
- what-comes-next
- Difficulty
- normal
What is the next number in the sequence? 5, 10, __, 20, 25
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Answer: 15
- SubType
- skip-counting
- Difficulty
- normal
What is the next number in the sequence? 10, __, 20, 25, 30
Show answer
Answer: 15
- SubType
- skip-counting
- Difficulty
- normal
Count by 10s: 0, 10, 20, 30, __
Show answer
Answer: 40
- SubType
- count-by
- Difficulty
- normal
What is the next number in the sequence? 6, 8, __, 12, 14
Show answer
Answer: 10
- SubType
- skip-counting
- Difficulty
- normal
What is the next number in the sequence? 10, 20, __, 40, 50
Show answer
Answer: 30
- SubType
- skip-counting
- 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.