Class 3 Maths - ANDHRA-PRADESH
House of Hundreds – I
The chapter 'House of Hundreds – I' in Class 3 Mathematics for Andhra Pradesh (BSEAP) introduces young learners to the fascinating world of 3-digit numbers. Students learn how counting groups of tens forms hundreds, moving beyond the number 99. The chapter teaches how to read, write, and represent numbers from 100 up to 999 using blocks, bundles, and place value charts. Understanding hundreds forms the bedrock of all future arithmetic operations like addition and subtraction with bigger numbers, making it a crucial foundation for school board examinations and everyday math skills.
Start Learning FreeKey Concepts
Introduction to Hundreds
When we have 10 tens, we group them together to make 1 new unit called 1 hundred (100).
Reading and Writing 3-Digit Numbers
Numbers from 100 to 999 have three digits representing Hundreds, Tens, and Ones.
Place Value in 3-Digit Numbers
The value of a digit depends on its position in the number, such as Hundreds place, Tens place, and Ones place.
Expanded Form
Writing a number by showing the value of each digit, like 345 = 300 + 40 + 5.
Number Names
Spelling out 3-digit numbers in words, such as 526 as 'Five hundred twenty-six'.
Important Formulas
Board Exam Info
In the Andhra Pradesh (BSEAP) Class 3 Mathematics assessments, this chapter typically carries around 6 to 8 marks. Common question types include writing number names, expanding 3-digit numbers, identifying place values, and filling in missing numbers in a sequence.
Frequently Asked Questions
What comes after 99?
After 99 comes 100, which is the first 3-digit number and is read as 'One hundred'.
How do we write 450 in expanded form?
450 in expanded form is written as 400 + 50 + 0.
What is the place value of 7 in the number 732?
The place value of 7 in 732 is 700 (or 7 Hundreds) because it is in the hundreds place.
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