Grade 5 hard sheet 3 explores compound words that are closed like notebook, hyphenated like twenty-one and well-known, or open like high school. Students answer four multiple-choice questions and five fill-in-the-blank sentences that test which compound form is correct. This Grade 5 worksheet helps writers see why some compounds join, some take a hyphen, and some stay as two words in standard written English.

Style:
Busy Bee
Spelling Grade 5
Grade 5
★ Part A: Multiple Choice
Circle the best answer for each question.
1. Which compound word is correctly written as one word?
 A) notebook
 B) note book
 C) note-book
 D) knotebook
2. Which spelling shows the correct hyphenated number?
 A) twentyone
 B) twenty-one
 C) twenty one
 D) twenty,one
3. Which version of high school is correct?
 A) highschool
 B) high.school
 C) high school
 D) high-school
4. Which spelling of well-known is the correct hyphenated form?
 A) wellknown
 B) well known
 C) wellknow-n
 D) well-known
★ Part B: Fill in the Blank
Write the correct answer on each line.
1) I forgot my math notebook at school yesterday.
2) There are twenty-one students in our reading group.
3) My older brother attends the local high school now.
4) She is a well-known author of mystery novels.
5) We cleaned our classroom before the bell rang.
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9 Questions
12-18 minutes
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