Learning Outcomes
This worksheet → sound substitution of the middle phoneme → helps a 1st grader build new words by swapping one sound.
Practice changing middle sounds → strengthens decoding and spelling starts → so children can hear patterns and make sense of unfamiliar words.
Repeated word making on one page → supports confident read-alouds → as students turn examples like bull to bell into their own tries.

Sound Substitution Word Changes Worksheet
The Sound Substitution Word Changes worksheet practices sound substitution, specifically changing the middle sound of a word to make a new word. The page uses clear word examples like “bull to bell” and “horse to house,” so your child can hear the difference and then try it themselves.
At age 6, one sound change is a manageable step, especially when letter shapes are still feeling wiggly or attention slips quickly. Parents often notice that kids want to guess the whole word instead of listening to the middle sound.
To use this page, pick 3 rows and do a call-and-response. Read the first word, stretch the middle sound a little, then say the new word together after your child makes a guess. Keep it light, even if the first try is wobbly, and move on as soon as the new word clicks.
This worksheet is useful because it trains the exact thinking your child needs for reading and spelling, change one middle sound to build a new word. It is also quick enough for short practice sessions, not a long “sit and do work” time.
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