Class 3 Maths - PUNJAB
House of Hundreds – I
The chapter 'House of Hundreds – I' in Punjab (PSEB) Class 3 Mathematics introduces young learners to the fascinating world of 3-digit numbers. Students learn how to count beyond 99, understanding that 99 plus 1 makes 100. This chapter builds a strong foundation in place value, teaching children to read, write, and represent numbers in hundreds, tens, and units (ones). It helps students visualize groupings of tens and hundreds using blocks, currency notes, and abacus rods. Mastering this chapter is essential for doing basic addition and subtraction of larger numbers in upcoming board exams.
Start Learning FreeKey Concepts
Introduction to 3-Digit Numbers
Numbers that have three digits—hundreds, tens, and ones—starting from 100 and going up to 999.
The Place Value of Hundreds
In a 3-digit number, the third digit from the right represents hundreds, where each hundred is equal to 10 tens or 100 ones.
Reading and Writing Number Names
Expressing numerical values in words, such as writing 135 as 'one hundred thirty-five'.
Expanded Form
Breaking down a 3-digit number into the sum of its hundreds, tens, and ones, like 245 = 200 + 40 + 5.
Abacus Representation
Showing 3-digit numbers by placing beads on the Hundreds (H), Tens (T), and Units/Ones (O) spikes of an abacus.
Important Formulas
Board Exam Info
In the Punjab (PSEB) Class 3 Mathematics paper, this chapter usually carries around 8 to 12 marks. Common question types include writing number names, filling in missing 3-digit numbers, writing numbers in expanded form, and drawing or reading beads on an abacus.
Frequently Asked Questions
What comes after 99?
100 comes after 99, which is the first 3-digit number.
How do we write 205 in expanded form?
205 is written in expanded form as 200 + 0 + 5.
What do H, T, and O stand for in place value?
H stands for Hundreds, T stands for Tens, and O stands for Ones (or Units).
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