Class 3 Maths - KERALA
House of Hundreds – II
The chapter House of Hundreds – II in Mathematics for Class 3 Kerala SCERT students builds upon foundational place value concepts by expanding numbers up to 999. Students learn to read, write, compare, and represent three-digit numbers using blocks, bundles, and single units representing hundreds, tens, and ones. This chapter is essential for young learners as it strengthens their mental arithmetic, addition, and subtraction skills with larger numbers. Mastery of this chapter is vital for scoring high in school exams, as it forms the base for all future arithmetic operations and place value understanding in the Kerala SCERT mathematics curriculum.
Start Learning FreeKey Concepts
Three-Digit Numbers
Numbers that have three digits, made up of hundreds, tens, and ones, ranging from 100 to 999.
Place Value of Hundreds
The position of a digit in the third place from the right, where each digit represents groups of one hundred.
Expanding Numbers
Writing a three-digit number as the sum of its hundreds, tens, and ones, such as 345 = 300 + 40 + 5.
Comparing Numbers
Finding which three-digit number is larger or smaller by first comparing the hundreds place, then tens, and finally ones.
Number Names
Reading and writing three-digit numbers in words correctly up to 999.
Important Formulas
Board Exam Info
In the Kerala (SCERT) Class 3 Mathematics examinations, this chapter typically carries around 8 to 12 marks. Common question types include expanding numbers, writing number names, comparing numbers using symbols like <, >, and =, and solving simple word problems based on hundreds, tens, and ones.
Frequently Asked Questions
How do we write the number name for 405?
It is written as Four hundred five, remembering not to say 'and' in between for standard number naming.
Which is greater, 482 or 428?
482 is greater because when we compare the tens place, 8 tens is greater than 2 tens.
How many tens are there in 500?
There are 50 tens in 500, because each hundred contains 10 tens.
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