Class 3 Maths - RAJASTHAN

Double Century

The chapter Double Century in Class 3 Mathematics introduces students to numbers beyond 100, extending up to 200. Students learn to read, write, count, and sequence numbers from 101 to 200. This chapter helps children understand place value involving hundreds, tens, and ones using everyday objects like blocks and beads. It is a fundamental chapter in the Rajasthan Board (RBSE) curriculum as it builds the base for addition and subtraction of larger numbers in higher classes.

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Key Concepts

Understanding 100 (Century)

When we have 10 tens together, they make one hundred, which is written as 100.

Numbers from 101 to 200

These are numbers that come after 100, where 101 is one hundred one and 200 is two hundred or a double century.

Place Value (Hundreds, Tens, Ones)

In a three-digit number, the first digit shows hundreds, the middle digit shows tens, and the last digit shows ones.

Number Names

Learning to spell and write the names of numbers up to 200 in words.

Before, After, and Between

Finding which number comes before a given number, after it, or lies between two numbers up to 200.

Important Formulas

10 Tens = 1 Hundred
100 + 1 = 101
2 Hundreds = 200 (Double Century)

Board Exam Info

In the Rajasthan (RBSE) Class 3 Mathematics examination, this chapter typically carries around 5 to 8 marks. Common question types include writing missing numbers, matching numbers with their correct number names, identifying place values, and filling in what comes before and after.

Frequently Asked Questions

What does a double century mean in math?

A double century means the number 200, which is two times one hundred.

How do we write 150 in words?

150 is written in words as One Hundred Fifty.

Which number comes just before 200?

The number that comes just before 200 is 199.

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