Class 7 Maths · Part 1 Chapter 1 · CBSE / NCERT
Large Numbers Around Us
Lakhs, crores and other very big numbers. You’ll learn to read and write them in the Indian and international systems, round and estimate them, and multiply big numbers quickly.
12 short lessons · about 48 minutes in all
What you’ll learn
- 1How big is one lakh?4 min
- 2Comparing with something you know4 min
- 3Reading and writing lakhs4 min
- 5Crores, arabs and the American system4 min
- 6Rounding big numbers4 min
- 7Estimating sums and differences4 min
- 8Reading a table of big numbers4 min
- 9Quick ways to multiply4 min
- 10How many digits will the product have?4 min
- 11Could it really happen?4 min
- 12Digit puzzles4 min
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How big is one lakh? · about 4 minutes
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More Class 7 Maths
The other 14 chapters.
PART 1 · CH 2Arithmetic Expressions10 lessonsPART 1 · CH 3A Peek Beyond the Point12 lessonsPART 1 · CH 4Expressions Using Letter-Numbers11 lessonsPART 1 · CH 5Parallel and Intersecting Lines10 lessonsPART 1 · CH 6Number Play10 lessonsPART 1 · CH 7A Tale of Three Intersecting Lines12 lessonsPART 1 · CH 8Working with Fractions10 lessonsPART 2 · CH 1Geometric Twins12 lessonsPART 2 · CH 2Operations with Integers12 lessonsPART 2 · CH 3Finding Common Ground10 lessonsPART 2 · CH 4Another Peek Beyond the Point10 lessonsPART 2 · CH 5Connecting the Dots…12 lessonsPART 2 · CH 6Constructions and Tilings11 lessonsPART 2 · CH 7Finding the Unknown11 lessons
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