Mango Treat – Class 1 Maths Chapter 3 Notes & NCERT PDF

Class 1MathematicsChapter 3NCERT book: Joyful Mathematics - Class 1

Notes and a simple summary of Chapter 3 of the NCERT Class 1 Mathematics book, with the official chapter PDF, flashcards, an MCQ quiz and an AI tutor for your doubts.

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Chapter 3: Mango Treat

Introduction

"Mango Treat" introduces the numbers 1 to 9. A squirrel is eating a mango and one by one, birds and animals come to join the feast. Each time, the story says "One more bird joins", so children see that every number is one more than the number before it. The chapter then moves to matching, comparing (more, less, same), reading and writing numerals, and putting numbers in order.

What's in this Chapter

Let us Read: "The birds are watching a squirrel eating a mango. One bird joins. Now 2 of them are eating the mango…" This continues until "Now 9 birds and animals ate the mango."

Let us Talk: How many were eating in the beginning? How many joined every time? What is 1 more than 1, 1 more than 2… up to 9?

Match the number of birds with fingers, and fingers with dots.

Mime with Fingers: Show 3 fingers; your friend shows 3 fingers in a different way. What are the different ways of showing 4 fingers using one hand?

Let us Play Outside: A child claps and says a number like "four", and everyone makes groups of four.

My Drawing Day: On Ekta Diwas (31st October), children get drawing materials. By drawing lines from each child to an object, they find if objects are more than, less than or the same as the number of children.

Numbers 1, 2, 3… Go! Circle groups of one to nine objects and write the numeral. The book points out that the group of seven stars in the sky is called Saptarshi (Big Dipper).

Count and Match, Count and Colour (8 stars, 5 flowers, 6 balls), Join the Numbers in Order, put shuffled cards in order, find missing numbers, and colour the biggest number.

Key Ideas

Counting tells us how many.

Each number is one more than the number before it: 2 is 1 more than 1, 9 is 1 more than 8.

The same number can be shown in many ways – with fingers, dots, objects or a numeral.

Matching one-to-one tells us whether there are more, fewer, or the same number of things.

Numbers can be arranged from smallest to largest: 1, 2, 3, 4, 5, 6, 7, 8, 9.

Activities from the Book

Enact the mango story with each child playing an animal or bird and making its sound.

Play finger games: show fewer fingers than your friend, then more.

Draw lines to match children to drawing materials.

Fill in missing numbers, e.g., "__, 5, 6, __, 8" (4 and 7) and "__, 2, __, 4, 5" (1 and 3).

Project: make your own number cards 1 to 9 and stick that many objects on each.

Words to Learn

count – say numbers in order to find how many (गिनना)

number – tells how many (संख्या)

one more – the next number (एक और)

more – a bigger amount (अधिक)

less – a smaller amount (कम)

same / equal – exactly as many (बराबर)

order – arranged one after another (क्रम)

smallest / largest – the least / the most (सबसे छोटा / सबसे बड़ा)

missing – not there (छूटा हुआ)

Tips for Parents & Teachers

Count real things during daily life: spoons on the table, steps on the stairs.

Write numerals in sand or on a child's back with a finger and ask them to guess, as the book suggests.

Play the "one more" game: "I have 4 grapes. One more – how many now?"

Use one-to-one matching at meal times: is there one plate for each person?

Talk about sharing when there are more children than objects.

Common Mistakes

Skipping or repeating objects while counting – encourage touching each object once.

Thinking a bigger-looking group has more things; match one-to-one to check.

Writing some numerals backwards (like 6 or 9); practise writing in sand and air.

💡 Key Learning Points

✓Count objects from 1 to 9 and write the matching numeral.
✓Understand that each number is one more than the number before it.
✓Show the same number in different ways using fingers, dots and objects.
✓Compare two groups using more than, less than and same as.
✓Arrange numbers 1 to 9 in order and find missing numbers.

👨‍🏫 Teaching Tips

→Act out the mango story, adding one child at a time and counting aloud.
→Use finger mime so children see many ways of showing the same number.
→Play the clap-and-group game outdoors for numbers up to 9.
→Use the Ekta Diwas drawing task to practise one-to-one matching and talk about sharing.
→Point out the seven stars of Saptarshi when counting 7.
→Let children write numerals in sand or trace them on each other's backs.
→Make number cards 1 to 9 with the matching number of objects stuck on.

📋 Assessment Questions

Can the child count a group of up to 9 objects correctly?
Can the child say what is one more than a given number up to 8?
Can the child compare two groups and say which has more or less?
Can the child arrange shuffled number cards 1 to 9 in order?
Can the child fill in missing numbers in a sequence like 3, __, __, 6?

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