### Knowing our NumbersKnowing our Numbers

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 Editor Seshu Kumari, B. Illustrator Soni, Prashanth Source SCERT Andhra Pradesh Content type Text Publisher Government of Andhra Pradesh File Format PDF Copyright Year ©2012 Language English Difficulty Level Medium
 Subject Domain (in DDC) Natural sciences & mathematics ♦ Mathematics ♦ General principles of mathematics Subject Keyword Comparing Numbers ♦ Place Value ♦ Large Numbers ♦ Commas ♦ Numeration ♦ International System Table of Contents Chapter 1) Knowing our Numbers  1.1) Introduction  1.2) Estimating and Comparing Numbers  1.3) Estimation and Rounding Off Numbers  1.4) Revision of Place Value1.5) Introduction of Large Numbers  1.5.1) Place Value of Larger Numbers  1.5.2) Use of Commas  1.6) International System of Numeration  1.7) Large Numbers Used in Daily Life Situations Description This is the first chapter of text book "Mathematics" for Class 6. This chapter deals with Knowing our Numbers. The Indian numbering system is used in India as well as in Bangladesh, Nepal, Pakistan, and Sri Lanka. It is based on the Vedic numbering system in which numbers over 9,999 are written in two-digit groups (or a mix of two- and three-digit groups) rather than the three-digit groups used in most other parts of the world. In Pakistan, this system is used in Urdu and other regional language media, but not in English-language media. Arabic numerals, also called Hindu-Arabic or Indo-Arabic numerals, are the ten digits: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, based on the Hindu–Arabic numeral system,the most common system for the symbolic representation of numbers in the world today. Educational Role Student ♦ Teacher Educational Use Classroom ♦ Reading Interactivity Type Expositive Education Level V to VIII Learning Resource Type Book Educational Framework Andhra Pradesh Board of Secondary Education (APBSE) Time Required P1W2D Publisher Date 2012 Publisher Place Hyderabad Size (in Bytes) 644.78 kB Page Count 14