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Change One Letter is a free printable Kindergarten English worksheet on making a new word by changing one letter, aligned to Common Core standard RF.K.3. It prints 8 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 2 of 25 · the same problems every time you open this link.

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Change One Letter

RF.K.3

NameDate

Circle the right answer.

1.Change the m in "map" to c. What word is it now?
  • A.mat
  • B.mop
  • C.cap
2.Change the i in "pig" to e. What word is it now?
  • A.pug
  • B.peg
  • C.big
3.Change the h in "hen" to t. What word is it now?
  • A.ten
  • B.hat
  • C.hem
4.Change the g in "bag" to t. What word is it now?
  • A.rag
  • B.bug
  • C.bat
5.Change the n in "pan" to t. What word is it now?
  • A.pen
  • B.pat
  • C.tan
6.Change the b in "big" to p. What word is it now?
  • A.pig
  • B.bag
  • C.bit
7.Change the s in "sun" to r. What word is it now?
  • A.rug
  • B.sat
  • C.run
8.Change the h in "hop" to m. What word is it now?
  • A.hip
  • B.hot
  • C.mop

LessonPrint · RF.K.3 · Set 2 · free to copy for classroom use

Answer key — Change One Letter

Set 2. Prints on its own sheet.

  1. 1.cap
  2. 2.peg
  3. 3.ten
  4. 4.bat
  5. 5.pat
  6. 6.pig
  7. 7.run
  8. 8.mop

Last reviewed 2026-09-05. Aligned to RF.K.3 of the Common Core State Standards for English Language Arts.