Phonemic awareness is often discussed as a single reading skill, but it is actually made up of increasingly complex layers of sound awareness. Students do not simply have or not have phonemic awareness. They develop a progression of abilities that range from hearing sounds in words to manipulating phonemes in sophisticated ways. Understanding these layers can help educators deliver more targeted instruction, identify skill gaps, and strengthen early reading development.

Phonemic awareness develops across a progression of skills that place different demands on students’ sound awareness and language processing.

A student may be able to blend sounds into words but still struggle to manipulate phonemes by deleting, substituting, or rearranging sounds. Understanding these distinctions matters because instructional decisions should be driven by the specific skill a student needs to develop, not a broad assumption that “phonemic awareness instruction” is occurring.

Research and instructional work from literacy experts such as Dr. Louisa Moats and Dr. David Kilpatrick emphasize that advanced phonemic awareness skills are closely connected to decoding, spelling, and automatic word recognition. Similarly, Dr. Lucy Hart Paulson describes phonemic awareness as a continuum of increasingly demanding tasks rather than a single isolated ability.

This progression also has important implications for intervention. Older struggling readers and students receiving targeted literacy support may continue to need instruction in advanced phoneme manipulation, segmentation, or blending tasks well beyond the primary grades.

Phoneme isolation involves identifying a specific sound within a spoken word.

Examples:

• What is the first sound in sun? → /s/
• What is the final sound in map? → /p/

This layer helps students notice the presence and position of sounds within words. Early instruction often begins here because students learn to attend to sounds before they manipulate them.

Instructional note: Students who struggle with isolation may benefit from teacher modeling, oral repetition, and visual or kinesthetic supports that reinforce sound placement.

Phoneme identity asks students to recognize the shared sound across multiple words.

Example: What sound is the same in bike, ball, and bell? → /b/

This skill helps students recognize that phonemes can occur across different words and contexts. Building this flexibility strengthens sound recognition and prepares students for more complex phonemic awareness work.

Classroom example: Teachers might present picture cards and ask students to sort words by beginning, medial, or final sounds.

Phoneme categorization requires students to compare words and determine which word does not belong.

Example: Which word does not belong?

cat • cake • mop

Answer: mop

Categorization strengthens students’ ability to discriminate between sounds, compare phoneme patterns, and analyze similarities and differences across spoken words. These comparison tasks begin to move students beyond simply hearing sounds toward making judgments about sound patterns and relationships.

Phoneme blending involves combining individual sounds to form a spoken word.

Example: /sh/ /i/ /p/ → ship

Blending is one of the strongest bridges between phonemic awareness and decoding. When students can efficiently combine sounds, they are better prepared to connect spoken phonemes to printed words during reading instruction.

However, blending is not the end goal of phonemic awareness instruction. Students who blend successfully may still struggle with more cognitively demanding tasks such as segmentation or manipulation.

Classroom example: During oral blending practice, a teacher might slowly articulate /m/ /a/ /p/ and ask students to identify the word map before introducing corresponding graphemes during phonics instruction.

Segmentation requires students to break a spoken word into its individual phonemes.

Example: frog → /f/ /r/ /o/ /g/

Segmentation plays a powerful role in spelling and encoding because students must analyze and represent the sounds within words. Research and classroom practice frequently identify segmentation as a high-leverage skill connected to early reading success.

Instructional example: Students might use counters, finger tapping, sound boxes, or hand motions to segment words into individual phonemes before connecting those sounds to letters. Segmentation highlights the reciprocal relationship between phonemic awareness, phonics, and spelling development.

Phoneme manipulation is one of the most advanced forms of phonemic awareness. Students add, delete, substitute, or rearrange sounds within words.

Examples: 

• Say smile without /s/. → mile

• Change the /m/ in mat to /s/. → sat

Manipulation tasks place substantial demands on working memory, sound awareness, and flexible language processing.

Researchers including Dr. David Kilpatrick have emphasized the importance of advanced phoneme manipulation skills because of their connection to orthographic mapping, automatic word recognition, and proficient reading development. Students who struggle with manipulation tasks may continue to experience difficulty with decoding, spelling, and fluent word reading.

This layer also has important implications for intervention. Older students, struggling readers, and students receiving targeted support may continue to benefit from explicit phoneme manipulation instruction beyond the early grades.

Instructional example: Students might orally delete the /k/ from clap to produce lap or substitute the final sound in sit to create sip.

The six layers of phonemic awareness contribute to broader literacy development by supporting:

• decoding
• spelling and encoding
• orthographic mapping
• automatic word recognition
• reading fluency

Phonemic awareness does not operate in isolation. It connects to broader literacy frameworks including the Science of Reading, Scarborough’s Reading Rope, and the Five Pillars of Reading.

Understanding phonemic awareness as a progression rather than a single skill can help educators strengthen instruction, identify skill gaps more precisely, and make more informed assessment and intervention decisions.

References: 
Adams, Marilyn J. (1994). Beginning to read: Thinking and learning about print. Cambridge, MA: Massachusetts Institute of Technology.
Fletcher, J., Lyon, G. R., Fuchs, L., & Barnes, M. A. (2007). Learning disabilities: From identification to intervention. New York: Guilford Press.
Henry, Marcia K. (2010). Unlocking literacy: Effective decoding & spelling instruction. Baltimore: Paul H. Brooks
Kilpatrick, D. A. (2015). Essentials of assessing, preventing, and overcoming reading difficulties. Hoboken: John Wiley & Sons.
Kilpatrick, D. A. (2016). Equipped for reading success: A comprehensive, step-by-step program for developing phonemic awareness and fluent word recognition. Syracuse: Casey & Kirsch.
Paulson, L. H., & Moats, L. C. (2010). LETRS for early childhood educators. Longmont, CO: Cambrium Learning Sopris West.
Seidenberg, M. (2017). Language at the speed of sight: How we read, why so many can't, and what can be done about it. New York: Basic Books.
Tolman, C. (2018, July 27). The Tolman hourglass figure: Phonological awareness [Video file].
Trehearne, M. (2003). Comprehensive literacy resource for Kindergarten teachers. ERA Cuisenaire.