How Many Times? – Class 1 Maths Chapter 11 Notes & NCERT PDF

Class 1MathematicsChapter 11NCERT book: Joyful Mathematics - Class 1

Notes and a simple summary of Chapter 11 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 11: How Many Times?

Introduction

"How Many Times?" gives children their first taste of multiplication as repeated addition of equal groups. A group of children visits an amusement park, rides the horse swing, the toy train and the big wheel, and then eats jalebis. Each time, the same number sits together or comes on each plate, so children add the same number again and again and learn to say "6 times 3".

What's in this Chapter

  • A Visit to an Amusement Park:

    • - Horse swing: "2 of us can sit on the horse." Four horses: 2 + 2 + 2 + 2 = 8 children.

    - Toy train: "3 of us can sit in a toy train… There are 3 bogies." 3 + 3 + 3 = 9 children.

    - Big wheel: "4 of us can sit together. There are 5 compartments." 4 + 4 + 4 + 4 + 4 = 20 children.

    - Jalebis: Each plate has 3 pieces and they order 6 plates. 3 + 3 + 3 + 3 + 3 + 3 = 18, so 6 times 3 is 18.

  • Travelling in the Bus: 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 = 18, so 9 times 2 = 18 people in the bus. Crates of water bottles: 5 + 5 + 5 + 5 = 20, so 4 times 5 = 20 bottles.
  • Cheenu's shopping:

    • - Erasers: 2 + 2 + 2 + 2 = 8, so 4 times 2 = 8 erasers.

    - Pencils: 3 + 3 + 3 + 3 + 3 = 15, so 5 times 3 = 15 pencils.

    - Apples: 3 + 3 + 3 = 9, so 3 times 3 = 9 apples.

  • Project Work: Draw a cycle wheel. Find out how many cycles you have at home and the total number of wheels in all the cycles.

    • Key Ideas

  • When groups have the same number of things, we can add that number again and again.
  • "Times" tells how many equal groups there are: 6 times 3 means 6 groups of 3.
  • 6 times 3 = 3 + 3 + 3 + 3 + 3 + 3 = 18.
  • Counting equal groups is quicker than counting one by one.
  • We must check that every group really has the same number before using "times".

    • Activities from the Book

  • Discuss each picture: how many children are in the picture, how many sit in each compartment, and how many on the ride in total.
  • Count bottles in crates and people in bus seats.
  • Find totals of erasers, pencils and apples in packs.
  • Count cycle wheels at home.

    • Words to Learn

  • times – how many groups (गुना)
  • group – things put together (समूह)
  • equal – the same number (बराबर)
  • total – all together (कुल)
  • repeated addition – adding the same number again and again (बार-बार जोड़ना)
  • compartment – a part of a ride where people sit (डिब्बा)
  • crate – a box to carry bottles (क्रेट / पेटी)
  • pack – a set of things sold together (पैकेट)

    • Tips for Parents & Teachers

  • Use real objects: put 3 biscuits on each of 4 plates and count "3, 6, 9, 12".
  • Count shoes in pairs: "2, 4, 6…" for the family.
  • Ask, "How many wheels on 3 cycles?" and let the child draw them.
  • Use the words "groups of" and "times" together: "4 groups of 2 is 4 times 2."
  • Talk about fair sharing and equal groups at snack time.

    • Common Mistakes

  • Adding the number of groups and the number in each group (6 + 3 instead of 6 times 3).
  • Losing count of how many times the number has been added – tick each group while adding.
  • Using "times" when the groups are not equal.

    • 💡 Key Learning Points

    • ✓Recognise equal groups in pictures and real life.
    • ✓Find totals by repeated addition.
    • ✓Read and say multiplication facts such as '6 times 3 is 18'.
    • ✓Connect 'groups of' with 'times'.
    • ✓Solve simple real-life problems with equal groups.

    👨‍🏫 Teaching Tips

    • →Discuss each amusement-park picture with 'how many in each, how many groups, how many in all'.
    • →Let children act out the rides by sitting in equal groups.
    • →Use plates and small objects to show 6 plates of 3 jalebis.
    • →Write both the repeated addition and the 'times' sentence together.
    • →Give packs of real erasers or pencils to count in groups.
    • →Use the cycle-wheels project to connect with home.
    • →Check that groups are equal before using 'times'.

    📋 Assessment Questions

    1. Can the child identify how many groups and how many in each group?
    2. Can the child write a repeated addition for a picture?
    3. Can the child say the matching 'times' sentence?
    4. Can the child find the total of equal groups up to 20?
    5. Can the child tell when groups are not equal?

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    All chapters in Joyful Mathematics - Class 1

    1. 1. Finding the Furry Cat!
    2. 2. What is Long? What is Round?
    3. 3. Mango Treat
    4. 4. Making 10
    5. 5. How Many?
    6. 6. Vegetable Farm
    7. 7. Lina's Family
    8. 8. Fun with Numbers
    9. 9. Utsav
    10. 10. How do I Spend my Day?
    11. 11. How Many Times?
    12. 12. How Much Can We Spend?
    13. 13. So Many Toys