NCERT Class 1 Mathematics Joyful-Mathematics (English): Chapter 3 — Mango Treat (Numbers 1 to 9)

NCERT CBSE Class 1 Mathematics Joyful-Mathematics (English) Chapter 3 English PDF

This chapter, 'Let us Read' from NCERT's Joyful Mathematics for Class 1, uses a story about birds and animals eating a mango to introduce the concept of counting and addition. It begins with a squirrel and one bird, then progressively adds more birds, illustrating how the total number increases. The narrative visually and textually demonstrates counting from 1 to 9, emphasizing the 'one more' concept. The 'Let us Talk' section encourages children to identify animals, count them, and understand the incremental addition. It also prompts discussions about animal sounds and habitats, making learning interactive and engaging for young CBSE students.

Quick info

BoardCBSE / NCERT
ClassClass 1
SubjectMathematics
BookJoyful-Mathematics (English)
ChapterChapter 3 — Mango Treat (Numbers 1 to 9)
LanguageEnglish
PDF typeNCERT Textbook
SessionCBSE 2026
Reading time1 minute
Word count160

Learning outcomes

Vocabulary

WordMeaning
squirrelA small animal with a bushy tail, known for eating nuts and fruits.
mangoA sweet, tropical fruit.
birdA feathered animal that can fly.
animalA living creature that is not a human or plant.
countingThe process of determining the total number of items.
joinsBecomes part of a group or activity.
beginningThe start of something.
endThe final part of something.

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Practice questions

  1. How many birds were eating the mango initially? Answer: 1 bird (joining the squirrel).
  2. How many birds joined the second time? Answer: 1 more bird joined, making it 3 in total.
  3. What is 1 more than 5? Answer: 6
  4. How many animals and birds ate the mango at the end? Answer: 9

Frequently asked questions

What is the main concept taught in NCERT Class 1 Mathematics Chapter 3?

The chapter 'Let us Read' teaches counting numbers from 1 to 9 and the concept of adding 'one more' to a quantity.

What story is used to teach counting in this chapter?

The chapter uses a story about birds and animals joining to eat a mango.

What does 'Let us Talk' section encourage?

It encourages identifying animals, counting, understanding incremental addition, and discussing animal sounds and habitats.

What is the final count of animals and birds eating the mango?

At the end, 9 birds and animals ate the mango.

What skill does this chapter help develop?

It helps develop counting skills, observational abilities, and basic addition concepts for young learners.

Related resources

Important topics

Counting numbers 1 to 9 Concept of 'one more' Sequential addition

Topics covered

Counting numbers Addition of 'one more' Number sequence Animal identification Storytelling Role-playing Animal sounds Animal habitats

NCERT Class 1 Mathematics — Joyful-Mathematics (English) — Chapter 3 — Mango Treat (Numbers 1 to 9). Verified by NCERT Help Editorial Team. Reviewed on 29 Jul 2026. Last updated 10 Aug 2026.