Workbook Detail
Counting 1 To 20 — Set 100
What comes after 17?
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Answer: 18
- SubType
- what-comes-next
- 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
Count by 10s: 10, 20, 30, 40, __
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Answer: 50
- SubType
- count-by
- Difficulty
- normal
Count the hearts: How many are there? (2 hearts)
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Answer: 2
- SubType
- count-objects
- Difficulty
- normal
Count by 10s: 0, 10, 20, 30, __
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Answer: 40
- SubType
- count-by
- Difficulty
- normal
Count the triangles: How many are there? (16 triangles)
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Answer: 16
- SubType
- count-objects
- Difficulty
- normal
Count by 5s: 0, 5, 10, 15, __
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Answer: 20
- SubType
- count-by
- Difficulty
- normal
Count the hearts: How many are there? (11 hearts)
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Answer: 11
- SubType
- count-objects
- Difficulty
- normal
Count by 5s: 5, 10, 15, 20, __
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Answer: 25
- SubType
- count-by
- Difficulty
- normal
What comes after 10?
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Answer: 11
- SubType
- what-comes-next
- Difficulty
- normal
Count the apples: How many are there? (3 apples)
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Answer: 3
- 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
Count the stars: How many are there? (13 stars)
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Answer: 13
- SubType
- count-objects
- Difficulty
- normal
Count the flowers: How many are there? (10 flowers)
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Answer: 10
- SubType
- count-objects
- Difficulty
- normal
What comes after 18?
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Answer: 19
- SubType
- what-comes-next
- 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 the flowers: How many are there? (4 flowers)
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Answer: 4
- SubType
- count-objects
- Difficulty
- normal
Count the apples: How many are there? (4 apples)
Show answer
Answer: 4
- SubType
- count-objects
- 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.