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Endings Change the Word is a free printable Grade 1 English worksheet on using a suffix to work out what a longer word means, aligned to Common Core standard L.1.4. It prints 10 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 8 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.

Endings Change the Word

L.1.4

NameDate

Work out each answer.

1.Split "teacher" into its two parts.
2.Split "readable" into its two parts.
3.Split "dangerous" into its two parts.
4.Split "painful" into its two parts.
5.Split "slowly" into its two parts.
6.Split "darkness" into its two parts.
7.Split "careful" into its two parts.
8.Split "movement" into its two parts.
9.Split "actor" into its two parts.
10.Split "endless" into its two parts.

LessonPrint · L.1.4 · Set 8 · free to copy for classroom use

Answer key — Endings Change the Word

Set 8. Prints on its own sheet.

  1. 1.teach + er
  2. 2.read + able
  3. 3.danger + ous
  4. 4.pain + ful
  5. 5.slow + ly
  6. 6.dark + ness
  7. 7.care + ful
  8. 8.move + ment
  9. 9.act + or
  10. 10.end + less

Last reviewed 2026-09-05. Aligned to L.1.4 of the Common Core State Standards for English language arts.