Workbook Detail
Counting 1 To 20 — Set 71
Count by 10s: 10, 20, 30, 40, __
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Answer: 50
- SubType
- count-by
- Difficulty
- normal
What is the next number in the sequence? 10, __, 20, 25, 30
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Answer: 15
- SubType
- skip-counting
- Difficulty
- normal
What is the next number in the sequence? 9, __, 15, 18, 21
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Answer: 12
- SubType
- skip-counting
- Difficulty
- normal
What is the next number in the sequence? 10, __, 30, 40, 50
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Answer: 20
- SubType
- skip-counting
- Difficulty
- normal
Count the hearts: How many are there? (19 hearts)
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Answer: 19
- SubType
- count-objects
- Difficulty
- normal
What comes after 4?
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Answer: 5
- SubType
- what-comes-next
- Difficulty
- normal
Count by 2s: 6, 8, 10, 12, __
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Answer: 14
- SubType
- count-by
- Difficulty
- normal
What is the next number in the sequence? 6, 9, __, 15, 18
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Answer: 12
- SubType
- skip-counting
- Difficulty
- normal
Count by 5s: 0, 5, 10, 15, __
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Answer: 20
- SubType
- count-by
- Difficulty
- normal
Count by 3s: 9, 12, 15, 18, __
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Answer: 21
- SubType
- count-by
- Difficulty
- normal
What is the next number in the sequence? 2, 4, 6, __, 10
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Answer: 8
- SubType
- skip-counting
- Difficulty
- normal
Count the triangles: How many are there? (7 triangles)
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Answer: 7
- SubType
- count-objects
- Difficulty
- normal
What is the next number in the sequence? 6, __, 12, 15, 18
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Answer: 9
- SubType
- skip-counting
- Difficulty
- normal
What is the next number in the sequence? 10, 20, 30, __, 50
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Answer: 40
- SubType
- skip-counting
- 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? (5 flowers)
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Answer: 5
- 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 the squares: How many are there? (5 squares)
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Answer: 5
- SubType
- count-objects
- Difficulty
- normal
What comes after 2?
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Answer: 3
- SubType
- what-comes-next
- 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.