Let's solve the worksheet step by step and explain each answer.
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UNIT 9: SHAPES OF PLANE FIGURES
Objective: Recognize and identify the names and properties of common 2D shapes.
We are given four 2D shapes: a yellow square, a red circle, a green triangle, and a blue rectangle. For each shape, we need to fill in:
- The name of the shape
- The number of corners (vertices)
- The number of sides
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1. Yellow Shape (First Row)
Shape: A yellow quadrilateral with equal sides and right angles.
✔ This is a
Square.
-
Corners: A square has
4 corners (also called vertices).
-
Sides: A square has
4 sides, all of equal length.
🔹
Answers:
- This 2D shape is a
square.
- It has
4 corners.
- It has
4 sides.
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2. Red Shape (Second Row)
Shape: A red round shape with no straight edges.
✔ This is a
Circle.
-
Corners: A circle has
0 corners (no sharp points or vertices).
-
Sides: A circle has
0 sides (it’s a continuous curve, not made of straight lines).
🔹
Answers:
- This 2D shape is a
circle.
- It has
0 corners.
- It has
0 sides.
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3. Green Shape (Third Row)
Shape: A green three-sided polygon with three angles.
✔ This is a
Triangle.
-
Corners: A triangle has
3 corners.
-
Sides: A triangle has
3 sides.
🔹
Answers:
- This 2D shape is a
triangle.
- It has
3 corners.
- It has
3 sides.
---
4. Blue Shape (Fourth Row)
Shape: A blue quadrilateral with opposite sides equal and parallel, and four right angles.
✔ This is a
Rectangle.
-
Corners: A rectangle has
4 corners.
-
Sides: A rectangle has
4 sides (opposite sides are equal in length).
🔹
Answers:
- This 2D shape is a
rectangle.
- It has
4 corners.
- It has
4 sides.
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✔ Final Completed Worksheet:
1.
Yellow Square:
- This 2D shape is a
square.
- It has
4 corners.
- It has
4 sides.
2.
Red Circle:
- This 2D shape is a
circle.
- It has
0 corners.
- It has
0 sides.
3.
Green Triangle:
- This 2D shape is a
triangle.
- It has
3 corners.
- It has
3 sides.
4.
Blue Rectangle:
- This 2D shape is a
rectangle.
- It has
4 corners.
- It has
4 sides.
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🔍 Explanation Summary:
-
Square: 4 equal sides, 4 corners.
-
Circle: No sides or corners — smooth curve.
-
Triangle: 3 sides, 3 corners.
-
Rectangle: 4 sides (opposite sides equal), 4 corners.
This helps build foundational geometry knowledge for identifying and describing basic 2D shapes.
Let me know if you'd like this formatted as a printable version!
Parent Tip: Review the logic above to help your child master the concept of plane shape worksheet.
