Class 4 Maths - TAMILNADU
Thousands Around Us
The chapter Thousands Around Us in the Tamil Nadu Samacheer Kalvi Class 4 Mathematics syllabus introduces students to 4-digit numbers. Children learn how to read, write, compare, and order numbers beyond 999 up to 9999. They explore place value concepts for thousands, hundreds, tens, and units, and understand expanded forms and number names. This chapter is fundamental for building a strong base in arithmetic, as it develops number sense required for addition, subtraction, and everyday estimation. Mastery of 4-digit numbers is crucial for scoring high in term exams and handling advanced mathematical operations.
Start Learning FreeKey Concepts
Introduction to 4-Digit Numbers
Numbers that have four digits, starting from 1000 (one thousand) up to 9999 (nine thousand nine hundred ninety-nine).
Place Value in 4-Digit Numbers
Every digit in a 4-digit number has a place value: Thousands, Hundreds, Tens, and Ones, reading from left to right.
Expanded Form
Writing a number by showing the value of each digit, such as 4532 = 4000 + 500 + 30 + 2.
Comparing Numbers
Comparing 4-digit numbers by first looking at the thousands place, and if they are equal, moving to the hundreds, tens, and ones places.
Ascending and Descending Order
Arranging 4-digit numbers from smallest to largest (ascending) or largest to smallest (descending).
Important Formulas
Board Exam Info
In the Tamil Nadu (Samacheer Kalvi) Class 4 Mathematics assessments, this chapter typically carries around 10 to 15 marks. Common question types include writing number names, writing numbers in expanded form, comparing numbers using symbols (<, >, =), and arranging numbers in ascending and descending order.
Frequently Asked Questions
What comes after 999?
The number that comes after 999 is 1000, which is the smallest 4-digit number.
How do we read a 4-digit number like 4567?
We read it by starting with the thousands place, then hundreds, followed by tens and units together: 'Four thousand five hundred sixty-seven'.
How do I know which 4-digit number is bigger?
Always compare the digits in the thousands place first. The number with the bigger digit in the thousands place is larger. If the thousands are the same, compare the hundreds, and so on.
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