Class 3 Maths - ODISHA
House of Hundreds – I
The chapter House of Hundreds – I in the Class 3 Odisha BSE Mathematics curriculum introduces young learners to three-digit numbers. Students learn how to count up to 999, understand place value involving hundreds, tens, and units, and read and write number names. This foundational chapter is crucial for building a strong base in arithmetic, enabling students to handle larger numbers, addition, and subtraction in future board exams. Mastery of this topic ensures children can confidently solve daily-life math problems involving money, measurement, and data handling.
Start Learning FreeKey Concepts
Understanding Hundreds
Ten tens make one hundred, written as 100, which is the smallest 3-digit number.
Place Value (Hundreds, Tens, Units)
Every digit in a 3-digit number has a position. The first digit on the right is the unit, the middle is the tens, and the left is the hundreds place.
Reading and Writing Number Names
Expressing 3-digit numbers in words, such as 245 being read as two hundred forty-five.
Expanded Form
Breaking down a 3-digit number into the sum of its hundreds, tens, and units, like 356 = 300 + 50 + 6.
Important Formulas
Board Exam Info
In the Odisha BSE Class 3 Mathematics assessments, this chapter typically carries around 8 to 10 marks. Common question types include writing numbers in words, finding the place value of a specific digit, writing numbers in expanded form, and filling in missing numbers in a sequence up to 999.
Frequently Asked Questions
What comes after 99?
After 99 comes 100, which is the first three-digit number and is called 'one hundred'.
How do I find the place value of a digit in a 3-digit number?
Multiply the digit by its position value. If it is in the hundreds place, multiply by 100; if in the tens, multiply by 10; if in the units, multiply by 1.
How do you write 405 in words?
It is written as 'Four hundred five' because there are no tens.
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