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Phonics - Digraphs (Consonant)
The letters 's' and 'h' make a 'sh' sound. Be quiet!

Phonics - Digraphs (Consonant)

Discover how consonant digraphs like ck, sh and th join two letters together to make one clear sound in your KS1 reading and spelling.

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Fascinating Fact:

Consonant digraphs ck usually come after a short vowel to make a strong kick sound in words like duck and sock.

In KS1 English, children learn that some sounds are written with two consonants together, like ck, sh, and th. Spotting these helps with decoding, spelling, and smooth reading.

  • Consonant: Any letter that is not a vowel (a, e, i, o, u), such as b, c, d, f, g.
  • Digraph: Two letters that work together to make one sound, like ck in “duck”.
  • Blend: Two or more consonants where you can still hear each sound, like st in “stop”.
What is a consonant digraph in phonics for KS1?

A consonant digraph is two consonant letters that make one sound, such as ck, sh, or th. Children learn to read and spell these as single sound units.

Why do some words use ck instead of just k?

Many short vowel words use ck straight after the vowel to show a clear /k/ sound, like “duck” or “sock”. Using ck helps mark the vowel as short.

How can I help my child practise consonant digraphs at home?

Read simple books together, highlight digraphs like ck, sh, and ch, and play word-spotting games to say and spell each sound correctly.

1 .
Which of these answers is not a consonant digraph?
ck
sm
ch
sh
The sound 'sm' is what we call a blend because you need to blend the 's' and 'm' together to make a sound that is often used in words.
2 .
This is a picture of some teeth. Which sound is a two letter (consonant) digraph in the word 'teeth'?
te
ee
th
et
The sound 'ee' is also a digraph but it is a vowel digraph. This means the letters within that sound are either a, e, i, o or u.
3 .
This is a picture of a phone. Which sound is a two letter digraph in the word 'phone'?
ph
ho
on
ne
The 'ph' makes an 'f' sound.
4 .
Which of these answers is not a consonant digraph?
ll
nk
bl
qu
The three other answers are all sounds, together those two letters make one sound. When saying 'bl' - you are saying both letters individually.
5 .
This is a picture of a whale. Which sound is a two letter (consonant) digraph in the word 'whale'?
le
al
ha
wh
The 'wh' sound is in the four question words: what, when, where, why.
6 .
This is a picture of candy floss. Which sound is a two letter digraph in the word 'floss'?
fl
lo
os
ss
'Ss' are two letters that when put together make one sound, making them a digraph.
7 .
This is a picture of two wedding rings. Which sound is a two letter digraph in the word 'ring'?
ri
in
ng
rin
These rings are gold. The amount of gold used in a ring is shown by how many karats are in it; 24 karats means it's all 100% gold.
8 .
This is a picture of a ghost. Which sound is a two letter digraph in the word 'ghost'?
gh
ho
os
ost
In this sound, the 'h' is silent.
9 .
This is a picture of a penknife. Which sound is a two letter digraph in the word 'penknife'?
pe
kn
if
ni
The letters 'kn' are often together and when they are, you shouldn't pronounce the 'k' sound.
10 .
This is a picture of a lamb. Which sound is a two letter digraph in the word 'lamb'?
la
am
mb
amb
The 'b' is silent in this sound and can also be seen at the end of the word 'thumb'.
You can find more about this topic by visiting BBC Bitesize - Phonics digraphs and trigraphs

Author:  Finola Waller (MEd, Primary School Teacher & KS1 English Quiz Writer)

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