Class 7 · Chapter 1
Large Numbers Around Us
Explore counting and place value up to crores and beyond.
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Ganita Prakash · Class 7 Part 1 (2026-27)
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Tip: NCERT updated the syllabus for 2026-27. The links above open the latest edition on the official portal — chapter titles and numbering may differ from the notes shown here.
Detailed theory
For : 5 crore 8 lakh 72 thousand 3 hundred 1. Match commas to place-value groups.
Key concepts & formulas
01
Numbers extend indefinitely; Indian system: thousand, lakh, crore.
02
International system: thousand, million, billion.
03
Reading and writing numbers up to 9 digits and beyond.
04
Standard form: expressing very large numbers compactly.
05
Estimation to nearest 10, 100, 1000, 10000.