Counting Ordinal Numbers Ordinal 1 To 31 — Set 17
What is the next number in the sequence? 10, __, 20, 25, 30
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Answer: 15
- SubType
- skip-counting
- Difficulty
- normal
Count the apples: How many are there? (10 apples)
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Answer: 10
- SubType
- count-objects
- Difficulty
- normal
Count by 3s: 12, 15, 18, 21, __
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Answer: 24
- SubType
- count-by
- Difficulty
- normal
What comes after 22?
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Answer: 23
- SubType
- what-comes-next
- Difficulty
- normal
What is the next number in the sequence? 10, 20, __, 40, 50
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Answer: 30
- SubType
- skip-counting
- Difficulty
- normal
What comes after 2?
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Answer: 3
- SubType
- what-comes-next
- Difficulty
- normal
Count the circles: How many are there? (25 circles)
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Answer: 25
- SubType
- count-objects
- Difficulty
- normal
What is the next number in the sequence? 14, __, 18, 20, 22
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Answer: 16
- SubType
- skip-counting
- Difficulty
- normal
Count by 3s: 15, 18, 21, 24, __
Show answer
Answer: 27
- SubType
- count-by
- Difficulty
- normal
Count by 3s: 6, 9, 12, 15, __
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Answer: 18
- SubType
- count-by
- Difficulty
- normal
What comes after 28?
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Answer: 29
- SubType
- what-comes-next
- Difficulty
- normal
Count the apples: How many are there? (4 apples)
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Answer: 4
- SubType
- count-objects
- Difficulty
- normal
Count the flowers: How many are there? (16 flowers)
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Answer: 16
- SubType
- count-objects
- Difficulty
- normal
What is the next number in the sequence? 10, 15, __, 25, 30
Show answer
Answer: 20
- SubType
- skip-counting
- Difficulty
- normal
What is the next number in the sequence? 5, 10, 15, __, 25
Show answer
Answer: 20
- SubType
- skip-counting
- Difficulty
- normal
What comes after 11?
Show answer
Answer: 12
- SubType
- what-comes-next
- Difficulty
- normal
What comes after 21?
Show answer
Answer: 22
- SubType
- what-comes-next
- Difficulty
- normal
What is the next number in the sequence? 6, __, 12, 15, 18
Show answer
Answer: 9
- SubType
- skip-counting
- Difficulty
- normal
Teaching Notes
Browse free counting worksheets. Each set includes an answer key and covers key skills aligned with Common Core standards.
Frequently Asked Questions
What math skills are covered in these Counting Worksheets?
These worksheets cover counting worksheets skills aligned with Common Core standards for K-3 students. Each set builds procedural fluency and conceptual understanding through varied problem formats.
Are these worksheets free to print?
Yes — all worksheets are completely free with no signup required. Click Print for a clean printout optimized for US Letter paper. PDF download is also available.
What grade level are these counting worksheets for?
These worksheets are designed for Kindergarten through Grade 3 students. Topics match Common Core expectations for each grade level.
Is there an answer key?
Yes — every worksheet includes a complete answer key. Print it separately or view it on screen to check student work quickly.
Can I use these for homeschool?
Absolutely. These worksheets are widely used by homeschool families for structured math practice. The set-number system lets you assign specific worksheets and track progress.