Add It On! Suffixes -ful, -ness, -less, -ly for Class 4

This Grade 4 worksheet teaches students how suffixes can change word meaning and function. With fun, scaffolded activities like matching, sorting, multiple-choice, rewriting, and creative writing, learners practice using suffixes to improve vocabulary and grammar skills.

Why Suffixes Matter in Class 4?  

This worksheet helps students:  
1. Understand how adding a suffix changes a word’s role in a sentence.  
2. Distinguish among suffix meanings like “full of,” “without,” “state of,” or “in a way.”  
3. Apply suffixes in context through sentence-level corrections and writing.

What’s Inside This Worksheet?  

This worksheet includes five structured grammar tasks:

🧠 Exercise 1 – Match the Root Word to the Suffix  
Learners match words like *care, help, quiet* to suffixes like *-ful, -ness, -ly* to form correct suffix words.

✏️ Exercise 2 – Choose the Correct Word  
Students answer MCQs to pick the right suffix form for meanings like “without hope” or “full of joy”.

🔍 Exercise 3 – Sort and Write Suffix Pairs  
From a mixed word bank, learners identify correct suffix forms such as *beautiful*, *kindness*, *useful*, and *darkness*.

📝 Exercise 4 – Rewrite the Sentence  
Sentences with incorrect suffix use (e.g., “joyness” or “fearlessness”) are rewritten correctly, building grammatical accuracy.

✍️ Exercise 5 – Write with Suffixes  
Students write original sentences using words like *painful*, *brightness*, *slowly*, *careless*, and *powerful*.

✅ Answer Key (For Parents & Educators)

Exercise 1 – Match  
1. care – c. -ful → careful  
2. help – e. -ful → helpful  
3. happy – b. -ly → happily  
4. joy – d. -ness → joyfulness  
5. kind – g. -ness → kindness  
6. use – h. -less → useless  
7. hope – a. -ness → hopelessness  
8. quiet – f. -ly → quietly  
9. sad – g. -ness → sadness  
10. fear – j. -less → fearless

Exercise 2 – MCQ  
1. hopeful  
2. happily  
3. joyful  
4. kindness  
5. fearless  
6. careful  
7. sadness  
8. quickly

Exercise 3 – Valid Suffix Pairs  
dark – darkness  
kind – kindness  
hope – hopeful  
beauty – beautiful  
use – useful  
quick – quickly  
happy – happily  
(smileful and happiful are incorrect)

Exercise 4 – Rewritten Sentences  
1. She is a **joyful** child.  
2. He walked **slowly** to school.  
3. That is a **careless** answer.  
4. I feel **hopeless** today.  
5. This room is so **messy**.  
6. He is a **fearless** hero.  
7. She sings **beautifully**.  
8. The speech was **full of kindness**.  
9. The weather is **chilly** today.  
10. That story was truly **wonderful**.

Exercise 5 – Sample Sentences  
1. I had a **painful** fall yesterday.  
2. The **brightness** of the sun hurt my eyes.  
3. He **slowly** opened the gift box.  
4. It was a **careless** mistake.  
5. The dragon was **powerful** and loud.

Help your child build stronger, smarter words with suffixes! Great for writing, reading, and vocabulary expansion.  

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