Chapter Overview
The chapter 'Thousands Around Us' introduces students to the concept of thousands by expanding their understanding of numbers beyond hundreds. Children learn to read and write 4-digit numbers, understand place values (ones, tens, hundreds, thousands), and apply estimation techniques. This chapter uses examples from real life—like the number of people in towns or the cost of products—to make big numbers meaningful. It builds foundational skills in numeracy that are essential for solving problems involving large values.
Important Keywords
- Thousands: A number representing ten hundreds (1000).
- Place Value: The value of a digit depending on its position in a number (e.g., 5 in 500 is five hundred).
- Expanded Form: Writing a number by showing the value of each digit (e.g., 4523 = 4000 + 500 + 20 + 3).
- Estimation: Making a close guess of a quantity.
- Rounding Off: Changing a number to the nearest tens, hundreds, or thousands.
- Comparison: Finding out which number is bigger or smaller.
Detailed Notes
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