Reading › Letters and sounds › Digraphs

What is a digraph?

A digraph is two letters that make one sound: sh in ship, ch in chin, th in thin, wh in when, and ck in duck. The two letters work as a team, so kids learn them as one sound, not two.

Grades K–1Common Core RF.1.3aAlso called: consonant digraphs, letter teams60-second read
ship2 letters, 1 sound/i//p/
  • sh is one sound: /sh/.
  • i and p keep their usual sounds.
  • Common digraphs: sh, ch, th, wh, ck
Two letters, one sound.

Why schools teach it

Sounding out letter by letter breaks here

A child who reads ship as /s/ /h/ /i/ /p/ gets nonsense. First graders learn the common consonant digraphs (RF.1.3a) so they see sh as one unit before blending.

Th has two sounds, quiet in thin and buzzing in this, and ck shows up right after a short vowel, as in duck and back. Teachers introduce these one or two at a time.

At the kitchen table

What to say, and what to skip

Say this

  • Do you see a letter team? Say it as one sound.
  • Underline the team before you read the word.
  • Is it the quiet /th/ or the buzzy /th/?Hand on your throat: this buzzes, thin doesn't.
  • Where do you hear /ch/: at the start or the end?chin, rich

Skip this

  • S-H says shuh.Drop the “uh”: /sh/, like asking for quiet.
  • Sounding out each letter in a team./c/ /h/ won't give you /ch/.
  • Calling them blends.A blend keeps both sounds, like st in stop. A digraph makes one new sound.

See it in action

Reading “chop”

  1. Spot the team and underline it

    chop
  2. Say the team as one sound, then the rest

    /ch/ /o/ /p/
  3. Blend

    chop

Underlining letter teams before reading is a habit that helps again with vowel teams later.

Free practice sheet

Make a digraphs sheet

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Parents also ask

What's the difference between a digraph and a blend?

In a digraph, two letters make one new sound (sh). In a blend, you can hear both letters (st).

Why does ck only come at the end?

In short words, the /k/ sound right after a short vowel is spelled ck: duck, back, kick. At the start of a word it's c or k.

Is ph a digraph?

Yes, as in phone. It's taught later because it's less common in early books.

How many sounds does th make?

Two: the quiet one in thin and the buzzy one in this. Both are spelled th.

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