Questions 5, 6, 7 | Figure it Out | Page 226–227 | Class 6 | Chapter 9 Symmetry | Ganita Prakash

Описание: In this video, we solve Questions 5, 6, and 7 from Pages 226–227 of Class 6 Ganita Prakash Chapter 9 – Symmetry.
These activities combine paper-folding symmetry, predicting shapes after cutting, and identifying lines of symmetry in regular and irregular figures.

📘 Questions Covered (Pages 226–227):

5️⃣ Paper Folding – Single Cut Square Hole (a & b):
You must fold the paper in a smart way and make one straight cut to produce a square hole in the center of the sheet.
• (a) Square hole aligned with the paper
• (b) Square hole rotated (diamond shape)
Students learn how folding affects the final shape and how symmetry helps in predicting cuts.

6️⃣ How Many Lines of Symmetry?
Identify the number of lines of symmetry in:
i. A square (tilted)
ii. An 8-point star-like polygon
iii. An equilateral triangle
iv. A regular hexagon
Students understand how symmetry increases with uniformity in sides and angles.

7️⃣ Draw Lines of Symmetry in Grid Figures:
Trace each red shape on graph paper and draw all the lines of symmetry, if any.
These include:
• Diamond patterns
• Nested squares
• Regular polygons
• Irregular shapes with no symmetry
This question strengthens visual reasoning and accuracy in symmetry drawing.

💡 Concepts Explained:
🔹 Symmetry through folding and cutting
🔹 Mirror-image reasoning
🔹 Symmetry in regular polygons
🔹 Predicting shapes after unfolding
🔹 Drawing precise symmetry lines on grids
🔹 Shapes with no lines of symmetry

✨ By the end of this video, students will understand how folding, cutting, reflection, and shape properties help determine symmetry in different contexts.

Playlists

Chapter 1 – Patterns in Mathematics
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Chapter 2 – Lines and Angles
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Chapter 3 – Number Play
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Chapter 4 – Data Handling and Presentation
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Chapter 5 – Prime Time
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Chapter 6 – Perimeter and Area
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Chapter 7 – Fractions
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Chapter 8 – Playing with Constructions
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Chapter 9 – Symmetry
   • Symmetry | Class 6 | Chapter 9 | Ganita Pr...  

Chapter 10 – The Other Side of Zero (Coming soon)

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