This Fill the Missing Letters worksheet provides mixed review practice using uppercase letter sequences from across the full alphabet (A–Z).
Children analyze each sequence and fill in the missing letters to complete it correctly.
This page works well as a review, extension, or assessment style activity.
What’s Included in This Worksheet
This mixed practice worksheet includes:
- Five uppercase letter sequences
- Six letters per sequence
- A mix of two and three missing letters
- Letter ranges covering A–Z
- Carefully varied blank positions to reduce guessing
- A clean, uncluttered layout for focused learning
The variety allows adults to observe how confidently children apply alphabet sequencing skills.
How to Use This Worksheet
Instruction:
Fill in the missing letters.
Helpful tips for adults:
- Encourage children to scan the entire sequence before writing
- Ask which letters are already known
- Invite children to explain how they found each missing letter
- Use this page to observe problem solving strategies
This worksheet works well with pencils and supports quiet, independent literacy practice.
Skills This Worksheet Supports
Completing this worksheet helps children strengthen:
- Alphabet sequencing and order
- Understanding of uppercase letters
- Logical reasoning
- Working memory
- Attention and focus
- Problem solving confidence
These skills support reading fluency, spelling accuracy, and writing development.
Why Mixed Review Is Important
Mixed review pages prevent children from relying on predictable patterns.
They encourage flexible thinking and reveal true understanding of alphabet order.
This worksheet provides that opportunity in a clear and supportive format.
Who This Worksheet Is For
This worksheet is suitable for:
- Kindergarten students
- Early primary learners
- Confident preschoolers ready for review
- Homeschool learning
- Classroom literacy centers or assessments
Numbered worksheets allow children to complete pages in any order and revisit them as needed.
Download the free PDF below and help your child practice uppercase letter sequencing through thoughtful, hands on learning.
Explore more printable alphabet worksheets in our Alphabet Activities Collection.
