Class 4 Maths - CBSE
Thousands Around Us
The chapter 'Thousands Around Us' builds the foundation of large numbers for Class 4 CBSE students by introducing 4-digit numbers. Students learn to read, write, compare, and represent numbers beyond 999 up to 9,999. They explore place value, face value, expanded form, and ordering of numbers using real-life examples like counting people in a village or money. This chapter is vital for board exams as it strengthens basic arithmetic skills and forms the building blocks for operations involving addition, subtraction, and multiplication of large numbers, typically carrying 5-8 marks in school assessments.
Start Learning FreeKey Concepts
Introduction to 4-Digit Numbers
Numbers from 1,000 to 9,999 are 4-digit numbers, where 1,000 is the smallest 4-digit number and 9,999 is the largest.
Place Value and Face Value
The place value of a digit depends on its position (Thands, Hundreds, Tens, Ones), while the face value is the digit itself.
Expanded Form
Representing a number as the sum of the place values of its digits, such as 4,563 = 4000 + 500 + 60 + 3.
Number Names
Writing 4-digit numbers in words by reading them from left to right according to their place values.
Comparing and Ordering Numbers
Comparing digits from the thousands place down to ones to find which number is greater, smaller, or arranging them in ascending and descending order.
Important Formulas
Board Exam Info
In CBSE Class 4 Mathematics, this chapter typically carries about 5 to 8 marks. Common question types include writing number names, writing numbers in expanded form, finding place values of underlined digits, and comparing numbers using symbols (<, >, =) or arranging them in ascending/descending order.
Frequently Asked Questions
What comes after 999?
1,000 comes after 999, which is the smallest 4-digit number.
How do we find the place value of a digit in a 4-digit number?
Multiply the digit by the value of its place. For example, the place value of 5 in 3,521 is 5 × 100 = 500.
How do we compare two 4-digit numbers?
First compare the digits in the thousands place. If they are equal, compare the hundreds place, then tens, and finally the ones place.
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