Thousands Around Us
CBSE · Class 4 · Mathematics
Quick revision notes for Thousands Around Us — CBSE Class 4 Mathematics. Key concepts, formulas, and definitions for last-minute revision.
Key Topics to Revise
Understanding Place Value System
- The Indian number system uses only 10 digits (0, 1, 2, 3, 4, 5, 6, 7, 8, 9) to write all numbers
- Place value positions from right to left: Ones (O), Tens (T), Hundreds (H), Thousands (Th)
- Each position has a value 10 times greater than the position to its right
Reading and Writing 4-Digit Numbers
- 4-digit numbers range from 1000 to 9999
- The leftmost digit represents thousands
- Read from left to right: thousands, hundreds, tens, ones
Grouping and Regrouping
- 10 ones = 1 ten
- 10 tens = 1 hundred
- 10 hundreds = 1 thousand
Comparing 4-Digit Numbers
- Compare digits starting from the leftmost (thousands) position
- If thousands digits are same, compare hundreds digits
- Continue this pattern: hundreds → tens → ones
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Thousands Around Us covers several key topics that are frequently asked in CBSE Class 4 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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