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Question 1 - Page 52 - Tenth - Chapter 3 Class 7 - A peek beyond the Point (Ganita Prakash)
Last updated at June 9, 2025 by Teachoo
Class 7 (Ganit Prakash)
Chapter 3 Class 7 - A peek beyond the Point (Ganita Prakash)
- Fractions - Quick Revision
- Need for a smaller unit
-
Tenth
- Hundredth
- Figure it out - Page 58
- Decimals
- Fractions to Decimals
- Reading and Writing Decimals
- Unit Conversion - Weight, Length, Money
- Decimal in number line
- Finding greater decimal
- Closest decimal
- Addition and Subtraction of Decimals
- Decimal Sequences
- Estimating Sums and Differences
- More on Decimal System
- Figure it out - Page 78, 79, 80
Transcript
Question 1 – Page 52 A Celestial Pearl Danio’s length is 2 4/10 cm, and the length of a Philippine Goby is 9/10 cm. What is the difference in their lengths?Difference in length of Celestial Pearl Danio’s and Philippine Goby = Length of Celestial Pearl – Length of Philippine Goby Since Celestial pearl is bigger, we put it first = 𝟐 𝟒/𝟏𝟎− 𝟗/𝟏𝟎 Writing in normal fractions = 𝟐𝟒/𝟏𝟎− 𝟗/𝟏𝟎 Since denominator is same, we subtract numerators = (24−9)/10 = 𝟏𝟓/𝟏𝟎 Converting into mixed fraction = 𝟏 𝟓/𝟏𝟎 units
