Word Fusion Mastery: Closed Form Compound Words for Grade 4 

This Grade 4 Grammar worksheet on Closed Form Compound Words helps learners understand how two words combine to form a single word written without spaces. Students explore examples such as haircut, lighthouse, snowball, footprint, mailbox, railway, farmland, moonlight, and sunflower while strengthening spelling and word-formation accuracy. 
Through structured grammar exercises, this worksheet builds clarity about what makes a compound word “closed form”  meaning the two words are written together as one word. Learners practise selecting correct spellings, forming compounds, identifying errors, underlining closed compounds in sentences, and applying them in paragraph writing. 

Why Closed Form Compound Words Matter in Grammar? 

Understanding closed compounds is important because: 
1. They improve spelling precision. 
2. They strengthen vocabulary development. 
3. They enhance reading fluency and comprehension. 
4. They support clear and confident writing. 

What’s Inside This Worksheet? 

🧠 Exercise 1 – Multiple Choice Questions 
Students select the correctly written closed compound words (e.g., haircut, lighthouse, footprint, railway, farmland, seashore, mailbox, moonlight). 

✏️ Exercise 2 – Write the Closed Compound Word 
Learners combine word pairs such as black + board, rain + coat, sun + rise, tooth + brush, and play + ground. 

✔ Exercise 3 – True or False 
Students identify whether given spellings correctly represent closed compound words (e.g., homework, cupcake, shoelace, newspaper). 

📝 Exercise 4 – Underline the Closed Compound Word 
Students underline closed compounds in sentences such as raindrop, snowman, toothpaste, football, bookshelf, basketball, and teacup. 

📖 Exercise 5 – Paragraph Fill in the Blanks 
Students complete a descriptive passage titled *A Visit to a Hill Station* using closed compound words like lighthouse, moonlight, seashore, footprint, farmland, keyboard, mailbox, firefly, and railway. 

✅ Answer Key (For Parents & Educators) 

Exercise 1 – Multiple Choice 
1. haircut 
2. lighthouse 
3. snowball 
4. footprint 
5. keyboard 
6. mailbox 
7. farmland 
8. seashore 
9. railway 
10. moonlight 

Exercise 2 – Write the Closed Compound Word 
1. blackboard 
2. keyboard 
3. raincoat 
4. sunrise 
5. keyboard 
6. classroom 
7. notebook 
8. toothbrush 
9. sunflower 
10. playground 

Exercise 3 – True or False 
1. True 
2. False 
3. True 
4. True 
5. True 
6. True 
7. True 
8. False 
9. False 
10. False 

Exercise 4 – Underline the Closed Compound Word 
1. raindrop 
2. sunset 
3. snowman 
4. football 
5. basketball 
6. firefly 
7. bookshelf 
8. toothpaste 
9. sunflower 
10. teacup 

Exercise 5 – Paragraph Fill in the Blanks 
1. lighthouse 
2. moonlight 
3. seashore 
4. footprint 
5. farmland 
6. sunlight 
7. keyboard 
8. mailbox 
9. firefly 
10. railway 
This worksheet strengthens spelling accuracy and builds confidence in identifying and using closed form compound words correctly. 
Support your child’s grammar growth with expert-designed closed compound word practice that sharpens spelling and writing skills. 

🔖Book a free trial!