

This Grade 4 worksheet on Advanced Suffixes -ness and -ment is thoughtfully designed to help learners understand how suffixes change the meaning of words and how they can be used effectively in sentences. With engaging, real-life sentence examples and structured grammar exercises, students practice using suffixes like -ness and -ment confidently.
Suffixes are powerful building blocks of words that help describe the state of being or a process. For Grade 4 learners, mastering suffixes is important because:
1. They change adjectives into nouns (kind → kindness).
2. They describe states or conditions (happiness, development).
3. They improve sentence variety and structure.
4. They support descriptive and creative writing.
5. They reduce common grammar mistakes in everyday communication.
This worksheet includes five structured grammar-building activities:
Exercise 1 – True or False
Students evaluate statements about suffixes to build strong conceptual clarity.
Exercise 2 – Sort the Words
Learners sort words into two groups: -ness and -ment to strengthen recognition.
Exercise 3 – Fill in the Blanks
Students complete 10 sentences using the correct suffix form. This strengthens contextual understanding and correct application.
Exercise 4 – Multiple Choice Questions
Students select the correct suffix to complete each sentence.
Exercise 5 – Sentence Rewriting
Students write sentences using words with the suffixes -ness and -ment creatively and meaningfully.
Exercise 1 – True or False
1. True
2. True
3. True
4. False
5. False
6. False
7. True
8. True
9. True
10. False
Exercise 2 – Sort the Words
-ness: kind, weak, sad, dark, ill, lazy, enjoy
-ment: develop, move, excite, treat, react, pay
Exercise 3 – Fill in the Blanks
1. kindness
2. development
3. weakness
4. improvement
5. calmness
6. enjoyment
7. laziness
8. payment
9. agreement
10. darkness
Exercise 4 – Multiple Choice Questions
1. b) development
2. c) happiness
3. b) movement
4. a) kindness
5. d) excitement
6. b) management
7. a) achievement
8. c) darkness
9. d) agreement
10. c) noisiness
Exercise 5 – Sentence Rewriting
1. Happiness
2. Development
3. Movement
4. Kindness
5. Darkness
6. Agreement
7. Excitement
8. Softness
9. Improvement
10. Friendliness
Help your child master synonyms for emotions today with a Free 1:1 Communication Skills Trial Class at PlanetSpark.
These suffixes change adjectives or verbs into nouns, like happy to happiness and move to movement.
Learning suffixes helps children build vocabulary and understand how words change meaning in English grammar.
A grammar worksheet lets students practice forming nouns with suffixes through guided examples.