Objectives for this lesson:
1.
Given diagrams, models, and real-life examples of shapes, students will identify and describe the properties of trapezium, kite and rhombus with at least 80% accuracy.
2.
Using rulers, grid paper, or digital drawing tools, students will construct or draw trapeziums, rhombus, and kites showing correct properties with at least 80% accuracy.
3.
During group activities and hands-on investigations, students will show interest and cooperation while exploring the properties of trapezium, rhombus, and kite by actively participating and sharing ideas respectfully.
Important terms to remember
Symmetry
Symmetry means that a shape can be divided into two equal parts that are mirror images.
A shape has symmetry if you can fold it in half and both sides match exactly.
👉 Example:
A square has symmetry because both sides look the same when folded.
🧠 Think:
“Both sides are the same.”
Parallel Lines
Parallel lines are lines that are always the same distance apart and never meet.
Parallel lines run side by side and never touch, no matter how far they go.
👉 Example:
The rails on a train track are parallel.
🧠 Think:
“They never meet.”
Polygon
A polygon is a closed, flat shape made up of straight sides.
A polygon is a shape that is flat, has straight lines, and is closed (the lines join up with no gaps).
👉 Examples of polygons:
Triangle, square, rectangle, pentagon
❌ Not polygons:
Circles or shapes with curved sides
🧠 Easy way to remember:
“Polygons have straight sides and no curves.”
Right Angle
A right angle is an angle that measures 90 degrees.
A right angle looks like the corner of a book, window, or door.
👉 Example:
Most corners in a classroom are right angles.
🧠 Think:
“Perfect square corner.”
Quadrilateral
A quadrilateral is a shape with four sides.
A quadrilateral is any shape that has four sides and four corners.
👉 Examples:
Square, rectangle, parallelogram, trapezium
🧠 Think:
“Quad means four.”
Watch this Video!
Group Activity
How to work together:
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Work in groups of three.
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Talk about each problem before writing the answer.
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One person types, another checks, and another explains the steps.
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Show working for every question.
