This Fill the Missing Letters worksheet provides advanced lowercase alphabet sequencing practice using mixed letter ranges from a to z.
Children must carefully analyze each sequence and fill in the missing letters to complete it correctly.
This page increases challenge by using less predictable patterns and closer blank spacing.
What’s Included in This Worksheet
This worksheet includes:
- Five lowercase letter sequences
- Six letters per sequence
- Three missing letters in each problem
- Mixed letter ranges across a–z
- More complex blank patterns, including adjacent blanks
- A clean, uncluttered layout that supports focused work
The structure encourages children to hold multiple letter positions in memory at once.
How to Use This Worksheet
Instruction:
Fill in the missing letters.
Helpful tips for adults:
- Encourage children to identify anchor letters (known letters)
- Ask them to count forward letter by letter
- Allow time for checking and correcting answers
- Discuss which letters helped them solve each row
This worksheet works well with pencils and is suitable for independent work or small-group instruction.
Skills This Worksheet Supports
Completing this worksheet helps children develop:
- Lowercase letter recognition
- Alphabet sequencing and order
- Logical reasoning
- Working memory
- Attention to detail
- Fine motor coordination
These skills support spelling, reading fluency, and written expression.
Why Increased Challenge Is Helpful
As children grow more confident, they benefit from activities that require deeper thinking.
More complex blank patterns encourage true understanding rather than pattern guessing.
This worksheet provides that challenge in a structured, age appropriate way.
Who This Worksheet Is For
This worksheet is suitable for:
- Kindergarten students
- Early primary learners
- Homeschool learning
- Classroom literacy centers
- Children ready for advanced alphabet practice
Numbered worksheets allow children to complete activities in any order and revisit them as needed.
Download the free PDF below and support your child’s lowercase alphabet sequencing skills through focused, logical practice.
Find more printable alphabet worksheets in our Alphabet Activities Collection.








