Ex 2.1, 4 - Chapter 2 Class 7 Fractions and Decimals

Last updated at April 16, 2024 by

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Transcript

Ex 2.1, 4 shade (i) 1/2 of the circles in box (a) Total circles = 3 × 4 = 12 We need to shade 1/2 circles. Number of circles to shade = 𝟏/𝟐 × 12 = 6 So, shading 6 circles. Ex 2.1, 4 shade (ii) 2/3 of the triangles in box (b)Total triangles = 3 × 3 = 9 We need to shade 2/3 triangles. Number of triangles to shade = 𝟐/𝟑 × 9 = 2 × 3 = 6 So, shading 6 triangles. Ex 2.1, 4 shade (iii) 3/5 of the squares in box (c). Total squares = 5 × 3 = 15 We need to shade 3/5 squares. Number of squares to shade = 𝟑/𝟓 × 15 = 3 × 3 = 9 So, shading 9 squares.

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.