Thousands Around Us — Chapter Summary
CBSE · Class 4 · Mathematics
Summary of Thousands Around Us for CBSE Class 4 Mathematics. Part of the CBSE Class 4 Mathematics syllabus. Thousands are used to write larger numbers.
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Overview
Thousands are used to write larger numbers in the Indian place value system. Numbers are read and written in the order Thousand, Hundred, Tens, and Ones. Zero works as a place-holder and helps keep the value of a number correct. This chapter also shows how thousands appear in daily life, in counting
Key Concepts
The Indian number system was designed
The Indian number system was designed to write all numbers, however large, using just ten symbols. It was discovered in India around 2000 years ago.
Numbers are read and written from
Numbers are read and written from left to right in this order: Thousand, Hundred, Tens, Ones.
Zero shows that a place has
Zero shows that a place has no value. It keeps the digits in the correct position.
A number can be broken into
A number can be broken into the value of each place. For example, 1001 = 1 Thousand + 0 Hundred + 0 Tens + 1 Ones, 106 = 1 Hundred + 0 Tens + 6 Ones,
Arrow cards show how a number
Arrow cards show how a number is made from parts such as 3000, 400, 50, and 2. For example, 3452 is made up of the cards 3000, 400, 50 and 2.
Learning Objectives
- Understand how numbers greater than 1000 are written in the Indian number system
- Use Thousand, Hundred, Tens, and Ones to make and read numbers
- Learn how zero works as a place-holder
- Write numbers in expanded form and number names
- Compare numbers using the value of each place
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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