Class 4 Prefixes anti and auto Grammar Worksheet
Class 4English GrammarSpoken EnglishFree DownloadPDF
Aishwarya VijayVisit Profile
I’m a former banking and finance professional with 6 years of corporate experience, now a certified educator working at PlanetSpark. After completing my ECCEd and teaching coding at WhiteHat Jr for 2.5 years, I transitioned fully into teaching to build a healthier work–life balance and be more present for my son—while doing work I genuinely love.
Class 4 Prefixes anti and auto Grammar Worksheet
Class 4English GrammarSpoken EnglishFree DownloadPDF
Aishwarya VijayVisit Profile
I’m a former banking and finance professional with 6 years of corporate experience, now a certified educator working at PlanetSpark. After completing my ECCEd and teaching coding at WhiteHat Jr for 2.5 years, I transitioned fully into teaching to build a healthier work–life balance and be more present for my son—while doing work I genuinely love.
Smart Word Builders: Prefixes anti- and auto- for Class 4
This Grade 4 English worksheet introduces students to the prefixes anti- and auto-, helping them understand how prefixes change the meaning of words. The prefix anti- usually means “against” or “preventing,” while auto- means “self” or “by itself.” Learning these prefixes helps students recognize how new words are formed and understand their meanings easily while reading.
Through engaging grammar exercises, learners explore words such as antibacterial, antivirus, autopilot, autobiography, and automatic. By practicing with these examples, students learn how prefixes add meaning to root words and improve their vocabulary.
Why Prefixes (anti-, auto-) Matter in Grammar?
Prefixes help students decode unfamiliar words and expand vocabulary. For Grade 4 learners, this topic is important because:
1. Prefixes show how word meanings change with small additions.
2. Words with anti- often describe protection against something.
3. Words with auto- describe actions done automatically or by oneself.
4. Understanding prefixes improves reading comprehension and vocabulary growth.
What’s Inside This Worksheet?
This worksheet includes five grammar-rich activities that build understanding of prefixes:
Exercise 1 – True or False
Students identify whether the meanings of words with anti- or auto- are correct.
Exercise 2 – Sort the Words
Students group words into anti- and auto- categories.
Exercise 3 – Fill in the Blanks
Students choose the correct prefix word to complete each sentence meaningfully.
Exercise 4 – Multiple Choice Questions
Students select the correct word formed with anti- or auto- based on context.
Exercise 5 – Sentence Writing
Students write meaningful sentences using words formed with anti- and auto- prefixes.
Answer Key (For Parents & Educators)
Exercise 1 – True or False
1. True
2. True
3. False
4. True
5. False
6. False
7. True
8. False
9. True
10. True
Exercise 2 – Sort the Words
anti-: antifreeze, antisocial, antibiotic, antivirus, antidote, antiseptic, antiglare, antismoke
auto-: autobiography, autopilot, autocorrect, autograph, automatic, autonomy, autoplay
Exercise 3 – Fill in the Blanks
1. automatic
2. autostop
3. antibacterial
4. autoclose
5. antifungal
6. automatic
7. antiallergy
8. automatic
9. antiinsect
10. autofill
Exercise 4 – Multiple Choice Questions
1. antibiotic
2. autocorrect
3. autopilot
4. autograph
5. antivirus
6. antifreeze
7. autobiography
8. automatic
9. antisocial
10. antidote
Exercise 5 – Sentence Writing (Sample Answers)
1. Antibacterial – This soap is antibacterial and keeps hands clean.
2. Antifreeze – The car uses antifreeze to stop the engine from freezing in winter.
3. Automatic – The automatic door opened when we walked near it.
4. Autopilot – The pilot turned on autopilot during the flight.
5. Antivirus – My computer has antivirus to protect it from harmful programs.
6. Antisocial – The boy stayed alone and seemed antisocial.
7. Anticlockwise – The fan blade moved anticlockwise slowly.
8. Autocorrect – My phone uses autocorrect to fix spelling mistakes.
9. Autobiography – She wrote an autobiography about her life.
10. Antibiotic – The doctor gave an antibiotic to cure the infection.
Help your child strengthen vocabulary and word-building skills by learning how prefixes like anti- and auto- change word meanings.
Frequently Asked Questions
The prefix anti means against or opposed to something. In a Class 4 English worksheet, students learn examples like antiseptic and antifreeze to understand how the prefix changes word meaning.
The prefix auto means self or by itself. A CBSE English grammar worksheet teaches children words like autobiography and automatic to show how auto modifies base words.
Learning prefixes helps students decode unfamiliar words by understanding word parts. A Class 4 grammar worksheet strengthens word-building skills and improves reading confidence for early learners.
