Class 3 Maths - UP
House of Hundreds – I
In the chapter House of Hundreds – I, Class 3 students of the Uttar Pradesh (UPMSP) board embark on an exciting journey into the world of three-digit numbers. Children learn how numbers grow beyond 99, stepping into the realm of hundreds. This chapter introduces the concept of place value up to 999, teaching students how to read, write, and expand numbers using blocks, bundles, and digits. It forms the foundation of all future arithmetic by helping students understand grouping, counting in hundreds, tens, and ones, and comparing numbers, which is very important for scoring high marks in school exams.
Start Learning FreeKey Concepts
Understanding Hundreds
When we have 10 tens together, they make one hundred, which is written as 100 and is the smallest 3-digit number.
Place Value of 3-Digit Numbers
Every digit in a 3-digit number has a specific place: Hundreds, Tens, and Ones, starting from the left.
Expanded Form
Writing a number by showing the value of each digit, such as 345 = 300 + 40 + 5.
Number Names
Reading and writing 3-digit numbers in words, like writing 215 as Two hundred fifteen.
Before, After, and Between
Finding which number comes before (predecessor), after (successor), or between given 3-digit numbers.
Important Formulas
Board Exam Info
In the Uttar Pradesh (UPMSP) Class 3 Mathematics exams, this chapter typically carries around 8 to 12 marks. Common question types include writing number names for 3-digit numbers, filling in missing numbers in sequences, expanding numbers into hundreds, tens, and ones, and identifying place values.
Frequently Asked Questions
What comes after 99?
The number 100 comes after 99, which is our first three-digit number.
How do we write 400 in number names?
400 is written in words as Four hundred.
What is the place value of 5 in the number 352?
Since 5 is in the tens place, its place value is 5 tens or 50.
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