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The Problem: Earth is "Slow"
Last updated at January 28, 2026 by Teachoo
Class 7 (Ganita Prakash 1, 2 & old NCERT)
Chapter 4 Class 7 - Another Peek beyond the Point (Ganita Prakash II)
- Quick Recap
- Decimal Multiplication
- Is the Product Always Greater than the Numbers Multiplied?
- Figure it out - Page 73
- Decimal Division
- Division using Long Division
- Figure it out - Page 83
- Division with a Decimal Divisor
- Special Cases of Division
- Dividend, Divisor, and Quotient
- Figure it out - Page 86, 87
-
Look Before You Leap!
- Figure it out - Page 93, 94, 95
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Transcript
Problem: Earth is "Slow"A normal calendar year has 365 days. However, it actually takes the Earth 365.2422 days to orbit the Sun once. We have extra 365.2422 – 365 = 0.2422 days That extra 0.2422 of a day (about 5 hours, 48 minutes, and 45 seconds) doesn't seem like much, but if we ignore it, our seasons would eventually drift. After 100 years, the calendar would be off by about 24 days! Imagine celebrating Christmas in the middle of a scorching summer—that's what would happen eventually.
