Word FamiliesKindergarten

-um Word Family: Word List & Practice

-um Word Family words follow one repeating pattern, so a child who can read one of them has most of what they need to read the rest. This list has 10 kindergarten-level words plus 4 decodable sentences. Practice them out loud — the most common error is confusing 'sum' and 'some' due to identical pronunciation.

10 -um Word Family Words
  • bum
  • gum
  • hum
  • mum
  • sum
  • chum
  • drum
  • glum
  • plum
  • slum

Practice these words out loud

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Try these out loud

Decodable Sentences

Every word in these sentences uses sounds your child has already learned, so they can be read by decoding rather than guessing.

  • Hum a tune, chew some gum.
  • The drum has a sum.
  • A plum makes me glum.
  • Chum, do not hum in the slum.

How to Teach -um Word Family Words

The -um family includes 'gum' and 'drum,' two words that connect easily to real objects a child can hold or point to, which supports the concrete, hands-on learning young children benefit from most. 'Sum' is worth a quick note since it sounds identical to 'some,' a common sight word spelled differently — a gentle early example of homophones your child will meet more of later.

'Drum,' 'glum,' 'plum,' and 'slum' all add a beginning blend, so save those for after 'bum,' 'gum,' 'hum,' 'mum,' and 'sum' feel automatic. Try tapping out a rhythm on a real drum (or a table) each time your child successfully reads a new -um word for a bit of playful reinforcement.

Common Mistakes to Watch For

  • Confusing 'sum' and 'some' due to identical pronunciation
  • Dropping a consonant in blends like 'drum' or 'plum'
  • Confusing short u with short o

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