Class 4 Maths - WEST-BENGAL
Thousands Around Us
The chapter 'Thousands Around Us' in Class 4 Mathematics helps young learners step into the world of four-digit numbers. Under the West Bengal Board of Secondary Education (WBBSE), students learn how to read, write, and expand numbers up to 9999. They explore place value, face value, and how to represent numbers using abacus tools and place value tables. This chapter is fundamental because it builds the core foundation for large number operations, addition, subtraction, and higher-level arithmetic, carrying significant weight in school summative evaluations.
Start Learning FreeKey Concepts
Four-Digit Numbers
Numbers that have four digits, ranging from 1000 to 9999, where 1000 is the smallest and 9999 is the largest.
Place Value and Face Value
Face value is the digit itself, while place value depends on the digit's position (Ones, Tens, Hundreds, Thousands) in the number.
Expanded Form
Breaking down a four-digit number into the sum of the place values of its individual digits, such as 4563 = 4000 + 500 + 60 + 3.
Number Names
Expressing numerical figures into words according to the place value system, like 5000 is written as five thousand.
Abacus Representation
Using beads on rods representing Ones, Tens, Hundreds, and Thousands to show and count four-digit numbers visually.
Important Formulas
Board Exam Info
In West Bengal (WBBSE) Class 4 Mathematics exams, this chapter typically carries around 8 to 12 marks. Common question types include writing numbers in words, writing number names in figures, expanding numbers, determining place value and face value, and solving word problems based on abacus representations.
Frequently Asked Questions
What comes after 999?
999 plus 1 equals 1000, which is the smallest four-digit number.
How do I find the place value of a digit in a four-digit number?
Multiply the digit by its position value. For example, the place value of 7 in 3724 is 700 because it is in the hundreds place.
What is the difference between place value and face value?
Face value is the actual digit, whereas place value changes depending on where the digit is placed in the number.
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