Class 4 English Grammar Worksheet on Common Idioms

Have you ever heard someone say they are "feeling under the weather" even though they aren't standing under a rain cloud? That is an idiom! An idiom is a group of words that has a "secret" meaning. For kids, learning easy idioms for class 4 students is like learning a secret code that makes writing stories much more fun. Whether you are using an idioms practice worksheet pdf for school or just want to impress your teacher, these phrases will help you become a "star" communicator.

10 class 4 common idioms worksheet 

Here is a list of idioms with examples for grade 4 that you can start using today:

1. A piece of cake: Something that is very easy.

• Example: "The maths test was a piece of cake!"

2. Under the weather: Feeling sick or unwell.

• Example: "I can't go to the party because I'm feeling a bit under the weather."

3. Break a leg: A way to say "Good luck" (usually before a performance).

• Example: "Break a leg at your piano recital tonight!"

4. Once in a blue moon: Something that happens very rarely.

• Example: "My brother cleans his room only once in a blue moon."

5. Let the cat out of the bag: To tell a secret by mistake.

• Example: "It was a surprise party, but Sarah let the cat out of the bag."

6. In the same boat: In the same difficult situation as someone else.

• Example: "I haven't finished my homework either, so we are in the same boat."

7. Hold your horses: To wait or slow down.

• Example: "Hold your horses! We can't leave until everyone is ready."

8. Cry over spilt milk: To worry about something that has already happened and cannot be changed.

• Example: "I lost my pencil, but there's no use crying over spilt milk."

9. An arm and a leg: Something that is very expensive.

• Example: "That new toy robot costs an arm and a leg!"

10. Apple of my eye: Someone who is cherished above all others.

• Example: "My little sister is the apple of my eye."

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Class 4 Common Idioms Worksheet Exercises

Test your English grammar skills with this idioms worksheet for class 4.

Exercise 1: Match the Idiom to its Meaning

Draw a line or write the letter of the correct meaning next to the idiom.

Exercise 2: Fill in the Blanks

Use the idioms from the list above to complete these sentences.

1. I practiced my dance every day, and my teacher told me to "__________" before I went on stage.

2. The science project was __________. I finished it in just ten minutes!

3. We only go to the big water park __________, usually just once a year.

4. Grandpa says I am the __________, because he loves me so much.

Read More - Prepositions Worksheet for Class 4 Students

Answers for Class 4 Common Idioms worksheet (Check Your Work)

Exercise 1: 1-C, 2-A, 3-B, 4-D

Exercise 2: 1. Break a leg | 2. A piece of cake | 3. Once in a blue moon | 4. Apple of my eye

 Additional Practice Blocks for Class 4 Common Idioms Worksheet

 To make this class 4 common idioms worksheet more complete and useful for classroom practice, add the three sections below. These activities bring variety to practice and help students understand idioms in different ways, not just by memorising meanings.

 Exercise 3: Idiom Sorting / Classification Activity

Read the idioms and sort them into the correct groups.

Idioms List:

A piece of cake, Under the weather, Let the cat out of the bag, Hold your horses, Once in a blue moon, Apple of my eye, Break a leg, In the same boat

 Group A: Idioms about feelings / people

Group B: Idioms about waiting / actions

Group C: Idioms about rare events / ease

Group D: Idioms about relationships / situations

Teacher Tip: Ask students to explain why they placed each idiom in that group. This improves understanding and speaking confidence.

 Exercise 4: MCQ-Based Idiom Meaning Check

Choose the correct meaning of the idiom. Tick the right option.

1. “Hold your horses” means:

(a) Ride a horse fast

(b) Wait and slow down

(c) Feed the horse

2. “Let the cat out of the bag” means:

(a) Open a bag

(b) Tell a secret by mistake

(c) Lose a pet

3. “Once in a blue moon” means:

(a) Every day

(b) Very loudly

(c) Very rarely

4. “In the same boat” means:

(a) Going on a picnic

(b) In the same situation

(c) Learning to swim

5. “An arm and a leg” means:

(a) Very expensive

(b) Very funny

(c) Very small

Answer Key:

1-(b), 2-(b), 3-(c), 4-(b), 5-(a)

Exercise 5: Error Correction Idioms Practice (Find and Fix)

Read each sentence carefully. The idiom is used incorrectly. Rewrite the sentence using the correct idiom from the help box.

Help Box:

a piece of cake, under the weather, break a leg, once in a blue moon, let the cat out of the bag

1. I am feeling a piece of cake today, so I will rest at home.

Correct sentence: _______________________________________

 2. My brother visits us break a leg, only during summer holidays.

Correct sentence: _______________________________________

3. The art competition was easy, so Mom told me under the weather.

Correct sentence: _______________________________________

4. We wanted a surprise, but Ria once in a blue moon before the party.

Correct sentence: _______________________________________

5. Before the school play, our teacher said, “Let the cat out of the bag!”

Correct sentence: _______________________________________

Suggested Answers (for teachers/parents)

1. I am feeling under the weather today, so I will rest at home.

2. My brother visits us once in a blue moon, only during summer holidays.

3. The art competition was easy, so Mom told me it was a piece of cake.

4. We wanted a surprise, but Ria let the cat out of the bag before the party.

5. Before the school play, our teacher said, “Break a leg!”

Read More - Pronouns for Class 4 Students with Examples

Why Use a Class 4 Common Idioms Worksheet?

Using a class 4 common idioms worksheet PDF or online helps students in three big ways:

By completing this worksheet, students will be able to:

• Identify common idioms used in everyday English.
• Explain the meaning of idioms in simple words.
• Use idioms correctly in sentences.
• Apply idioms in short creative writing tasks.
• Recognise idioms when reading storybooks or listening to conversations.

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