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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 19 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.What does the root "struct" mean?
  • A.break
  • B.carry
  • C.build
2.What does "aqua" mean?
  • A.air
  • B.earth
  • C.water
3.What does the prefix "in-" do in "inaudible"?
  • A.Reverses the meaning — not audible
  • B.Makes it a noun
  • C.Intensifies it
4.Which pair share a root?
  • A.portable and portrait
  • B.audible and audience
  • C.beauty and beacon
5."Contradict" is built from which parts?
  • A.contra + dict
  • B.con + tradict
  • C.contrad + ict
6.You meet "circumnavigate". What do the parts tell you?
  • A.To sail around
  • B.To sail alone
  • C.To sail quickly
7."Incomprehensible" splits into which parts?
  • A.in + com + prehens + ible
  • B.incom + prehen + sible
  • C.in + comprehensi + ble
8."Reconstruction" contains which root?
  • A.ruct
  • B.struct
  • C.const

LessonPrint · RF.5.3 · Set 19 · free to copy for classroom use

Answer key — Any Unfamiliar Word

Set 19. Prints on its own sheet.

  1. 1.build
  2. 2.water
  3. 3.Reverses the meaning — not audible
  4. 4.audible and audience
  5. 5.contra + dict
  6. 6.To sail around
  7. 7.in + com + prehens + ible
  8. 8.struct

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.