Workbook Detail
Counting 11 20 Medium — Set 45
What is the next number in the sequence? 10, 20, 30, __, 50
Show answer
Answer: 40
- SubType
- skip-counting
- Difficulty
- medium
What comes after 8?
Show answer
Answer: 9
- SubType
- what-comes-next
- Difficulty
- medium
Count by 5s: 5, 10, 15, 20, __
Show answer
Answer: 25
- SubType
- count-by
- Difficulty
- medium
Count the triangles: How many are there? (9 triangles)
Show answer
Answer: 9
- SubType
- count-objects
- Difficulty
- medium
Count by 2s: 4, 6, 8, 10, __
Show answer
Answer: 12
- SubType
- count-by
- Difficulty
- medium
What is the next number in the sequence? 5, __, 15, 20, 25
Show answer
Answer: 10
- SubType
- skip-counting
- Difficulty
- medium
What is the next number in the sequence? 10, 20, __, 40, 50
Show answer
Answer: 30
- SubType
- skip-counting
- Difficulty
- medium
Count by 10s: 0, 10, 20, 30, __
Show answer
Answer: 40
- SubType
- count-by
- Difficulty
- medium
Count by 2s: 2, 4, 6, 8, __
Show answer
Answer: 10
- SubType
- count-by
- Difficulty
- medium
What comes after 9?
Show answer
Answer: 10
- SubType
- what-comes-next
- Difficulty
- medium
What is the next number in the sequence? 2, 4, __, 8, 10
Show answer
Answer: 6
- SubType
- skip-counting
- Difficulty
- medium
What is the next number in the sequence? 4, 6, __, 10, 12
Show answer
Answer: 8
- SubType
- skip-counting
- Difficulty
- medium
What is the next number in the sequence? 3, 6, 9, __, 15
Show answer
Answer: 12
- SubType
- skip-counting
- Difficulty
- medium
What is the next number in the sequence? 5, 10, 15, __, 25
Show answer
Answer: 20
- SubType
- skip-counting
- Difficulty
- medium
What is the next number in the sequence? 5, 10, __, 20, 25
Show answer
Answer: 15
- SubType
- skip-counting
- Difficulty
- medium
Teaching Notes
Practice counting 11 20 with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
Frequently Asked Questions
How do I use this Counting 11 20 Medium 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.