NCERT Class 3 English • Classic CBSE Track

Chapter 8: What's in the Mailbox? & My Silly Sister

Poem on Receiving Letters & Rabindranath Tagore's Humorous Story on an Innocent Baby Sister | CBSE Session 2026–27

Core Pedagogical Competencies & Concepts
  • Poem 'What's in the Mailbox?': Child watching postman bring letters for parents and deciding to write letters to friends so they write back.
  • Story 'My Silly Sister': An elder brother complaining affectionately to his mother about his baby sister's innocent antics.
  • Baby antics: Eating pebbles thinking they are real food, tearing book pages, laughing when scolded.
  • Affectionate sibling bonds: The loving warmth underlying playful sibling teasing.
What's in the Mailbox? — The Joy of Handwritten Letters Postbox Letter Elder Brother Baby Sister "She opens her mouth to swallow pebbles, thinking they are sweet candy!"

All Textbook Exercises & In-Text Tasks (17 Questions)

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Q1 Reading is Fun • Poem & Story
What does the child plan to do in 'What's in the Mailbox?' so that letters arrive for him? What funny things does the baby sister do in Tagore's story?
[3 Marks]
✅ Step-by-Step Solution & Working
Answer:
1. Child's Plan: The child decides to write letters to his own friends so that they will write back and the postman will bring letters with his name on them.
2. Baby Sister's Antics:
• She thinks pebbles are real food and tries to put them in her mouth.
• When her brother opens a book to study, she tears the pages with joy.
• When her brother scolds her by shaking his head, she giggles thinking it is a fun game.
CBSE Step-by-Step Marking Scheme
Correct child's strategy to write letters first 1.5 M
Two humorous baby antics described accurately 1.5 M
Q2 Vocabulary • Letter Writing Terms
What four things must be written on an envelope to ensure a letter reaches the correct destination?
[2 Marks]
✅ Step-by-Step Solution & Working
Essential Envelope Details:
1. Recipient's Full Name: Name of the person receiving the letter.
2. House Number & Street: Exact residence location.
3. City / Village & State: Geographic town and province.
4. PIN Code (Postal Index Number): 6-digit postal code for accurate delivery.
CBSE Step-by-Step Marking Scheme
All 4 postal address elements identified 2.0 M
Q3 Letter Writing Activity • Personal Letter
Write a short 3-line invitation letter to your friend inviting them to your birthday party on Sunday.
[3 Marks]
✅ Step-by-Step Solution & Working
Sample Letter:
Dear Rohan,
Please come to my 8th birthday party this Sunday, 15th October, at 5:00 PM at my home. We will play fun games, burst balloons, and eat delicious cake together. I look forward to seeing you!
Your friend,
Aarav.
CBSE Step-by-Step Marking Scheme
Salutation and clear invitation details (date, time, place) 1.5 M
Correct closing and friendly sign-off 1.5 M
Q4 Reading is Fun • My Silly Sister
In Rabindranath Tagore's story 'My Silly Sister':
(a) What silly things does the baby sister do with pebbles and books?
(b) What does she do when the elder brother gets cross and shakes his head at her?
(c) When father is away, what does the baby sister do when the brother says 'Father'?
[3 Marks]
✅ Step-by-Step Solution & Working
Story Details:
(a) Silly Antics:
• She thinks pebbles are real food and tries to put them in her mouth. When a book is opened, she tears the pages with her hands and roars with joy.

(b) Brother Getting Cross:
• Instead of being scared, she laughs joyfully and thinks it is great fun.

(c) Mentioning Father:
• She looks around quickly in excitement, thinking her father is near.
CBSE Step-by-Step Marking Scheme
Pebbles and book page tearing described 1.0 M
Laughing at brother's scolding 1.0 M
Excitement at hearing father's name 1.0 M
Q5 Poem Comprehension • 'What's in the Mailbox?'
In the poem 'What's in the Mailbox?':
(a) Who gets letters when the postman visits the house?
(b) Does the child in the poem ever receive a letter?
(c) What does the child decide to do so that she will also receive letters?
[3 Marks]
✅ Step-by-Step Solution & Working
Poem Analysis:
(a) Who Gets Letters:
• Letters always come for Mother or Father.

(b) Child's Situation:
• No, the child never gets any letter.

(c) The Child's Plan:
• The child decides to write letters to some of her friends, so that they will write back and send letters addressed to her.
CBSE Step-by-Step Marking Scheme
Parents receiving letters 1.0 M
Child never receives letters 1.0 M
Clever plan of writing letters first to get replies 1.0 M
Q6 Letter Writing Format • Postcard
What four essential details must be written on a postcard or envelope for it to reach its destination safely?
[3 Marks]
✅ Step-by-Step Solution & Working
Four Essential Postcard Details:
1. Recipient's Full Name (Whom the letter is for).
2. House Number and Street Name.
3. City, District, and State Name.
4. PIN Code (Postal Index Number) (a 6-digit number ensuring accurate sorting).
CBSE Step-by-Step Marking Scheme
All 4 postal address components accurately explained 3.0 M
Q7 Community Helpers • The Postman
Write two sentences describing how the postman helps our society.
[2 Marks]
✅ Step-by-Step Solution & Working
The Postman's Service:
1. The postman delivers letters, parcels, money orders, and urgent official documents safely to our doorstep in all weather conditions.
2. He connects distant family members and friends by carrying their heartfelt written messages across villages and cities.
CBSE Step-by-Step Marking Scheme
Two well-formed sentences highlighting community postal service 2.0 M
Q8 Reading is Fun • Poem Comprehension
In Unit 8 ('What's in the Mailbox? & My Silly Sister'), what does the child/speaker in the poem feel and observe early in the morning?
[2 Marks]
✅ Step-by-Step Solution & Working
Comprehension:
The speaker feels joyful, alert, and full of wonder. She observes the waking sun, singing birds, buzzing bees, and blowing winds, greeting all of nature with happiness.
CBSE Step-by-Step Marking Scheme
Child's feelings (joy/wonder) 1 M
Natural observations 1 M
Q9 Talk Time • Morning Routines
What are the first three things you do after waking up in the morning? Share your routine.
[2 Marks]
✅ Step-by-Step Solution & Working
Model Response:
1. I brush my teeth and wash my face with cool water.
2. I drink a warm glass of water or milk.
3. I do a few light morning stretches and wish my family 'Good Morning'.
CBSE Step-by-Step Marking Scheme
Three logical morning routine steps 2 M
Q10 Word Building • Nature Words
Find words in 'What's in the Mailbox? & My Silly Sister' that describe nature (e.g. flowers, trees, sky, sunlight). List four such words.
[2 Marks]
✅ Step-by-Step Solution & Working
Nature Words:
1. Breeze (gentle wind)
2. Blossom (blooming flowers)
3. Sunbeam (shaft of sunlight)
4. Meadow (green grassland).
CBSE Step-by-Step Marking Scheme
Four valid nature words 2 M
Q11 Let us Write • Answering Why
In the story section of Unit 8, why were the flowers in the garden fond of the little school children?
[3 Marks]
✅ Step-by-Step Solution & Working
Model Answer:
The flowers loved the children because the children brought their watering cans to water their thirsty roots and gently dug up the ground so the flowers could grow healthily.
CBSE Step-by-Step Marking Scheme
Watered thirsty roots 1.5 M
Dug the ground / treated flowers kindly 1.5 M
Q12 Grammar & Language • Plural Forms
Write the plural forms of: (a) Flower (b) Bird (c) Child (d) Leaf.
[2 Marks]
✅ Step-by-Step Solution & Working
Plurals:
• (a) Flower — Flowers
• (b) Bird — Birds
• (c) Child — Children (irregular plural)
• (d) Leaf — Leaves (f changes to ves).
CBSE Step-by-Step Marking Scheme
Flowers, Birds, Children, Leaves 2 M
Q13 Vocabulary • Word Families
Add '-ing' to the following action words correctly: (a) Sing (b) Dance (c) Run (d) Play.
[2 Marks]
✅ Step-by-Step Solution & Working
Adding -ing:
• (a) Sing + ing = Singing
• (b) Dance + ing = Dancing (drop the 'e')
• (c) Run + ing = Running (double the 'n')
• (d) Play + ing = Playing.
CBSE Step-by-Step Marking Scheme
Singing, Dancing, Running, Playing 2 M
Q14 Think & Discuss • Environmental Care
How can school students take care of plants and trees in their school garden? Mention two practical steps.
[2 Marks]
✅ Step-by-Step Solution & Working
Practical Steps:
1. Regular Watering: Form a student garden club to water plants daily during recess.
2. Protection: Put up small protective fences and never pluck leaves or blossoms unnecessarily.
CBSE Step-by-Step Marking Scheme
Two practical steps for garden care 2 M
Q15 Let us Listen • Animal & Bird Calls
Match the bird/insect to its characteristic sound: (a) Bee — (1) Chirp (b) Sparrow — (2) Buzz (c) Duck — (3) Quack.
[3 Marks]
✅ Step-by-Step Solution & Working
Matching:
• (a) Bee — (2) Buzz
• (b) Sparrow — (1) Chirp
• (c) Duck — (3) Quack.
CBSE Step-by-Step Marking Scheme
All 3 correct sounds 3 M
Q16 Creative Writing • A Secret in the Garden
Imagine birds talking to each other about humans in the garden. What might they say? Write two sentences.
[2 Marks]
✅ Step-by-Step Solution & Working
Imaginative Dialogue:
The robin said, 'Look at those funny humans! They don't have feathers and they can't even sit on wires!' The sparrow chirped in reply, 'Yes, and they have to walk everywhere on their feet!'
CBSE Step-by-Step Marking Scheme
Creative bird conversation 2 M
Q17 Review Questions • Story Moral
What is the most valuable message we take from Unit 8 ('What's in the Mailbox? & My Silly Sister')?
[2 Marks]
✅ Step-by-Step Solution & Working
Core Message:
The chapter teaches us to appreciate nature, treat every living creature with tenderness, and cherish the simple joys of our surroundings.
CBSE Step-by-Step Marking Scheme
Appreciation of nature and kindness to living beings 2 M
🌟 NEP 2020 Competency-Based Case Study

Digital Communication vs Traditional Post

Today, people send quick WhatsApp messages and emails, but receiving a handwritten postcard in the mailbox still feels magical.

Analytical Task: Why does a handwritten postcard from a grandparent create a deeper emotional connection than a short text message?
Evaluation & Model Answer:
1. A handwritten postcard shows personal time, care, and effort: the sender chose the card, wrote carefully in their own handwriting, bought a stamp, and posted it.
2. It is a tangible keepsake that a child can touch, re-read, and cherish in an album for years.
Rubric: 1.5M personal effort and tangible keepsake + 1.5M emotional permanence.