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Any Unfamiliar Word is a free printable Grade 5 English worksheet on using roots and affixes to read a word you have never met, aligned to Common Core standard RF.5.3. 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 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 15 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.

Any Unfamiliar Word

RF.5.3

NameDate

Tick the right answer.

1."Dict" means "speak". What does "contradict" therefore mean?
  • A.To speak quietly
  • B.To speak against
  • C.To speak first
2.What does the prefix "in-" do in "inaudible"?
  • A.Reverses the meaning — not audible
  • B.Makes it a noun
  • C.Intensifies it
3.What does the root "struct" mean?
  • A.carry
  • B.build
  • C.break
4.Why is it worth knowing roots when you already have a dictionary?
  • A.You can read and understand a new word at the moment you meet it
  • B.It changes the spelling
  • C.Dictionaries are usually wrong
5."Incomprehensible" splits into which parts?
  • A.in + com + prehens + ible
  • B.in + comprehensi + ble
  • C.incom + prehen + sible
6."Contradict" is built from which parts?
  • A.contra + dict
  • B.con + tradict
  • C.contrad + ict
7.Which pair share a root?
  • A.audible and audience
  • B.beauty and beacon
  • C.portable and portrait
8.You meet "circumnavigate". What do the parts tell you?
  • A.To sail alone
  • B.To sail around
  • C.To sail quickly

LessonPrint · RF.5.3 · Set 15 · free to copy for classroom use

Answer key — Any Unfamiliar Word

Set 15. Prints on its own sheet.

  1. 1.To speak against
  2. 2.Reverses the meaning — not audible
  3. 3.build
  4. 4.You can read and understand a new word at the moment you meet it
  5. 5.in + com + prehens + ible
  6. 6.contra + dict
  7. 7.audible and audience
  8. 8.To sail around

More practice for RF.5.3

Use all you know about roots and affixes to read any unfamiliar word.

Teaching this next? Decoding Any Word in Context is the 40-minute plan for it, with the misconceptions to expect.

All Grade 5 worksheets

Last reviewed 2026-09-05. Aligned to RF.5.3 of the Common Core State Standards for English language arts.