English Language Arts (2021) Grade(s): 2


Decode and encode words with variable vowel teams and vowel diphthongs.

COS Examples

Examples: oi, oy; ou, ow; au, aw; oo, ew, ue; ee, ea; igh, ie; ai, ay

Unpacked Content


  • Vowel teams are a combination of two, three, or four letters that represent for one vowel sound.
  • Variable vowel teams are vowel teams that can make different sounds.
  • Diphthongs are single vowel phonemes that glide in the middle.


  • Accurately decode and encode words with variable vowel teams (examples: ea, ie, oo) and vowel diphthongs (examples: oi, ou).


  • Variable vowel teams are also called unpredictable vowel teams because the graphemes make different sounds, such as in meat, head, steak.
  • Vowel diphthongs are a type of vowel team where the mouth position shifts during the production of the single vowel phoneme, such as in boy and cow.


  • Decode
  • Encode
  • Variable vowel teams
  • Vowel diphthongs