Class 3 Maths - TAMILNADU
Double Century
The chapter 'Double Century' in Class 3 Mathematics introduces students to numbers beyond 100, extending up to 200. Children learn how to read, write, and count numbers up to 200, understanding place value with hundreds, tens, and units. This chapter builds a strong foundation for addition and subtraction of larger numbers. It is very important for the Tamil Nadu Samacheer Kalvi board exams as it tests basic number sense and place value understanding, which frequently appear in objective questions and simple word problems.
Start Learning FreeKey Concepts
Understanding 100 (One Hundred)
When we have 99 beads and add 1 more, we get 100, which is written as 100 and called one hundred.
Numbers from 101 to 200
Counting numbers step by step after 100, learning number names and numerals up to two hundred.
Place Value (Hundreds, Tens, Units)
Every 3-digit number has three places: Hundreds place, Tens place, and Units (ones) place.
Expanded Form
Writing a number by showing the value of each digit, such as 145 = 100 + 40 + 5.
Before, After, and Between Numbers
Finding which number comes before, after, or between any given numbers up to 200.
Important Formulas
Board Exam Info
In Tamil Nadu (Samacheer Kalvi) Class 3 Mathematics exams, this chapter usually carries around 10 to 15 marks. Common question types include writing number names, filling in missing numbers, writing numbers in expanded form, and identifying place values of digits in 3-digit numbers.
Frequently Asked Questions
What comes after 199?
The number that comes after 199 is 200, which is our double century!
How do we write 156 in expanded form?
156 can be written in expanded form as 100 + 50 + 6.
Which digit is in the hundreds place in the number 184?
In the number 184, the digit 1 is in the hundreds place.
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