Class 3 Maths - CBSE

Double Century

The chapter 'Double Century' helps Class 3 CBSE students extend their counting skills from 100 up to 200 and beyond. Building on previous knowledge of two-digit and three-digit numbers, students learn to read, write, and sequence numbers up to 200, understand place value with hundreds, tens, and ones, and skip count by twos, threes, and fives. This chapter is fundamental for mastering basic arithmetic operations, money handling, and measurement in CBSE examinations. Scoring well here builds strong number sense and confidence for advanced math topics in higher classes.

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Key Concepts

Reading and Writing Numbers up to 200

Learning to correctly say, spell, and write number names and numerals from 100 to 200.

Place Value (Hundreds, Tens, Ones)

Understanding that a three-digit number has a hundreds place, a tens place, and an ones place, where 100 means 1 hundred, 0 tens, and 0 ones.

Skip Counting

Counting forward or backward by skipping a fixed number like 2s, 5s, or 10s up to 200 to speed up counting and grouping.

Before, After, and Between Numbers

Identifying which number comes right before, right after, or in between any given numbers up to 200.

Comparing Numbers

Using symbols like greater than (>), less than (<), and equal to (=) to compare three-digit numbers up to 200.

Important Formulas

1 Hundred = 10 Tens = 100 Ones
200 = 2 Hundreds + 0 Tens + 0 Ones
Number Name for 200 = Two Hundred

Board Exam Info

In the CBSE Class 3 Mathematics assessment, this chapter typically carries around 5 to 8 marks. Common question types include filling in missing numbers in a sequence, writing number names, identifying place values of underlined digits, and comparing numbers using greater than or less than symbols.

Frequently Asked Questions

What comes after 199 in counting?

The number that comes after 199 is 200, which is a double century!

How do we write the number name for 156?

It is written as One hundred fifty-six.

In the number 174, which digit is in the hundreds place?

The digit 1 is in the hundreds place, representing 100.

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