Class 3 Maths - HARYANA
House of Hundreds – I
The chapter 'House of Hundreds – I' in Class 3 Mathematics introduces students to 3-digit numbers, building directly upon their previous knowledge of 1-digit and 2-digit numbers. Students learn to count beyond 99, understanding that 99 plus 1 makes 100, which is the smallest 3-digit number. Through engaging visual aids like bundles of sticks, place value blocks, and abacus tools, children learn to group numbers into Hundreds, Tens, and Ones. This chapter is fundamental for the Haryana (BSEH) curriculum as it lays the essential foundation for advanced arithmetic operations like addition, subtraction, and place value understanding in higher classes.
Start Learning FreeKey Concepts
Introduction to 100
When we have 99 things and add 1 more, we get 100, which is written as 1-0-0 and is the first 3-digit number.
Place Value (Hundreds, Tens, Ones)
Every 3-digit number has three places: Ones on the right, Tens in the middle, and Hundreds on the left.
Reading and Writing 3-Digit Numbers
Numbers from 100 to 999 are read and written by naming the Hundreds first, then the Tens and Ones together.
Expanded Form
Writing a number by showing the value of each digit, such as 245 = 200 + 40 + 5.
Number Names
Translating numbers into words, for example, 150 is written as 'One hundred fifty'.
Important Formulas
Board Exam Info
In the Haryana (BSEH) Class 3 Mathematics examination, this chapter typically carries around 6 to 8 marks. Common question types include writing number names, converting numbers into expanded form, filling in missing 3-digit numbers in a sequence, and identifying the place value of a specific digit in a 3-digit number.
Frequently Asked Questions
What comes after 99?
The number 100 comes right after 99, and it is the first 3-digit number.
How do we write 234 in expanded form?
234 can be written in expanded form as 200 + 30 + 4.
What is the place value of 5 in the number 542?
In the number 542, the digit 5 is in the Hundreds place, so its place value is 500.
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