Class 3 Maths - WEST-BENGAL
House of Hundreds – I
The chapter 'House of Hundreds – I' in the Class 3 West Bengal (WBBSE) mathematics syllabus introduces young learners to the fascinating world of three-digit numbers. Students step beyond tens and units to discover the 'Hundreds' house, learning how to count, read, write, and expand numbers up to 999. This foundational chapter builds a strong base for place value understanding, addition, and subtraction with larger numbers. For board exams, mastering this chapter is crucial as it forms the basis of all arithmetic operations and word problems in the primary curriculum, ensuring students can confidently handle numbers in daily life.
Start Learning FreeKey Concepts
Three-Digit Numbers
Numbers that have three places: Hundreds, Tens, and Units (Ones), starting from 100 up to 999.
Place Value
The value of a digit depending on its position in a number, such as in 345, the digit 3 stands for 3 hundreds or 300.
Expanded Form
Writing a number by showing the value of each digit, for example, 456 is written as 400 + 50 + 6.
Abacus Representation
Using beads on rods to show the number of hundreds, tens, and units visually.
Number Names
Reading and writing three-digit numbers in words, such as 215 as 'Two hundred fifteen'.
Important Formulas
Board Exam Info
In the West Bengal (WBBSE) Class 3 Mathematics examinations, this chapter typically carries around 8 to 12 marks. Common question types include writing numbers in expanded form, finding the place value of underlined digits, converting number names to numerals and vice versa, and solving simple abacus-based puzzles.
Frequently Asked Questions
What comes after 99 in counting?
After 99 comes 100, which is the smallest three-digit number and the start of the 'House of Hundreds'.
How do I write 405 in words?
405 is written as 'Four hundred five' (we do not say 'zero tens').
What is the difference between place value and face value?
Face value is the digit itself, while place value is the value of the digit based on where it sits in the number (Hundreds, Tens, or Units).
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