Kindergarten Short U Word Families Worksheets
The short-u families on this sheet are -ug (bug, rug), -ump (jump, bump), and -uck (duck, truck). Kindergartners sort by the rhyming ending; the -ump column gently introduces endings with two consonants.
Free printable PDF, aligned to Common Core RF.K.3. One skill per page, answer key on page two.
Every sheet is one of a kind and prints with a version code, so you can reprint the exact same one later. New version every click.
The kind of words you'll sort
Say each word. Write it under its family.
plucklumpjumphugduckslugtruckbuckrugplumpbumpmug
Columns: -ug and -ump and -uck. "rug" belongs under -ug; "lump" belongs under -ump; "truck" belongs under -uck.
Every print draws a fresh mix of word lists at this level, so a make-up test or a second sibling gets a different sheet.
What's on each sheet
- Sorting. Say each word. Write it under its family. 15 words per page.
Every version prints on US Letter or A4, with its answer key on the last page.
How to teach this
The -ug family is pure fun to say and the right place to start. The -ump ending is the first two-consonant chunk many children meet; keep it glued together as one sound (ump!) rather than splitting m from p, and the sort stays easy.
Watch for: The -ump family ends with two consonants; the family chunk keeps them together so children don't decode them separately. Duck and truck end in ck, the usual ending for a k sound after a short vowel.
Common questions about short u word families
- Is the -ump ending too hard for kindergarten?
- Not when it's taught as one chunk. Children who try to sound m and p separately stumble; children who learn ump as a unit read jump and bump on the first try. The column format keeps the chunk visually whole.
- What order should the five vowel sheets go in?
- The classic order is a, i, o, e, u or simply a to u; the honest answer is that consistency matters more than sequence. Each sheet stands alone, so start where your child's curriculum is and circle back for the rest.
Related worksheets
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Aligned to Common Core RF.K.3. Reviewed by the One More Sheet curriculum team. Content version 68, updated July 2026.