CVC Short Vowel Review and The C/K Rule

These words bring familiar short-vowel spelling into 1st Grade while adding a new decision: the /k/ sound can be written c, k, or ck. Cat, cot, cup, and cap place c before a, o, or u; kid and kit place k before i; and the remaining words place ck immediately after a single short-vowel letter at the end of a one-syllable word. These are useful generalizations, not promises about every English word.

This lesson follows Kindergarten digraphs because children are ready to move beyond matching one sound with the first plausible letter. Listening for the vowel and noticing where /k/ occurs gives them a reasoned spelling choice and refreshes the short-vowel foundation needed for the ending patterns that follow.

How to practice this list

Say a word without showing it. Have your child repeat it, segment the sounds, and identify whether /k/ comes at the beginning or end. For beginning /k/, ask which vowel follows; for final /k/, ask whether it comes immediately after a short vowel. Let the child choose c, k, or ck, write the word, and compare it with the model. Mix all three groups once each choice is secure on its own.

Writing duk or duc for duck is a normal sound-based attempt: the child heard /k/ but has not yet applied the final ck convention. Return to a known word such as back, identify the short vowel and final sound, and let the child repair the spelling. If the wrong middle vowel appears, practice hearing that vowel separately before asking for the c/k/ck choice.

When your child can spell the words in mixed order with growing independence, choose c, k, or ck by checking position and vowel context, and repair an occasional error using a known example, they are ready for The FLOSS Rule.