Continuum Unpacked

Phonics

2 Sounds of < S >

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Category: Phonics Grapheme-Phoneme Correspondence

 Grapheme-phoneme correspondence (GPC) refers to the association between a grapheme (a letter or cluster of letters) and its corresponding phoneme, and vice versa. It may also be called letter-sound correspondence.

Understanding this relationship enables students to read by relating graphemes to phonemes and blending phonemes together to sound out words, and to spell by breaking words into phonemes and representing each phoneme with a corresponding grapheme, with automaticity.

Learning these skills occurs largely in the context of learning about decoding and spelling of written words.

Knowledge and Skills: Grapheme-Phoneme Correspondence

Kindergarten/Grade 1
Understanding the relationship between simple and high-frequency graphemes (letters or combinations of letters) and the phonemes (units of sound) they represent
Grade 1
Understanding the relationship between simple, high-frequency, and complex graphemes (letters or combinations of letters) and the phonemes (units of sound) they represent 

 

 

Grade 2

 

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Grade 3

 

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Grade 4

 

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Looks like: Kindergarten / Grade 1

  • producing the most common grapheme for each consonant sound, and the most common phoneme for each consonant grapheme, including:
  • single consonants <s> as in sat, has

Why is this important?

Phonics lays the foundation for reading comprehension. By learning phonics, students acquire the ability to decode words. Decoding allows students to read words, sentences, and, eventually, texts accurately.
 
To decode, students must understand the relationship between sounds and print, or grapheme-phoneme correspondence. To support efficient, effortless word reading, it is crucial that students can accurately and automatically associate graphemes with phonemes.

Instruction

This grapheme-phoneme correspondence should be systematically and explicitly taught, within a scope and sequence that builds from more simple to more complex concepts. Explicit instruction is characterized by direct modelling, guided practice, and purposeful individual practice.
 
Grapheme-phoneme correspondences should not be taught in isolation, but should instead be closely linked to other activities in the literacy block. Students should practice both reading and writing words containing sound-spelling links they have learned, and texts should offer students opportunities to decode words with this pattern. This careful integration encourages students to apply developing knowledge and skill to other reading and writing tasks.
 
The grapheme < s > represents two graphemes – /s/ as in sat, and /z/ as in has.
 
At the end of a word:

<s> spells /s/ when it follows an unvoiced sound in the base, as in rats, tips, or hats.

<s> spells /z/ when it follows a voiced sound in the base, as in ribs, bugs, or grins.

Resources