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Year 1Double letters

ff words

When a one-syllable word ends in f, l, s or z after a short vowel, the final consonant is doubled.

In a two-syllable word with a short first vowel, we often double the middle consonant. The 'ff' makes one /f/ sound as in 'muffin' and 'coffee'.

Words with ff

Tap a word to see its sounds and hear it.

ff in the middle

ff at the end

See every ff word in Phonicspal

Read ff in a sentence.

Every sentence is checked against the sound.

  1. 1Get off the cliff.
  2. 2My muffin has toffee.
  3. 3Puff the fluff off.
  4. 4The giraffe ate my muffin.

How to teach ff

  1. Introduce the FLOSS rule. Explain that when a one-syllable word ends in f, l, s or z after a short vowel, the final consonant is usually doubled.
  2. Model saying the target phoneme three times.
  3. Students repeat.
  4. Check articulation and correct mouth placement.
  5. Identify the phoneme in the example words.

Other ways to spell /f/

  • f
  • ph

Decodable stories with ff.

From the Phonicspal library. Sign up free to read them.

Make a whole ff lesson.

Slides, words and sentences, matched to the sounds your class has learned.