TRIANGLE AND QUADRILATERALAS

ANGLES IN A TRIANGLE & QUADRILATERAL
Learning objective: To investigate the properties and relationships of angles in a triangle and within different types of quadrilaterals.

 Learning outcome: Will be able to solve problems involving angles in

 Triangles and quadrilaterals including finding unknown angles .

Match

Starter: Match the following

Right Angle

Straight angle

Acute Angle

reflex angle

Obtuse angle

• Right Angle

• Straight angle

• Acute Angle

• reflex angle

• Obtuse angle

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​https://www.mathspad.co.uk/i2/construct.php

Open Ended

What are the different types of triangles ???

Draw

Can you draw a right angle triangle

Open Ended

What are the different types of Quadrilaterals.

Open Ended

Special Note:

A triangle can fit into multiple categories. Do you have an example for this???

Draw

Can you draw a parallelogram

Draw

GROUP 1

Draw

GROUP 2

Word Cloud

GROUP 3

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CHALLENGE!!!!

Multiple Choice

PLENARY:

Which of the following is a property of an isosceles triangle?

• It has one right angle.
• The angles are all acute.
• At least two sides are of equal length.
• All sides are of equal length.

Multiple Choice

Which shape has all sides equal and all angles equal?

• Rectangle
• Triangle
• Circle
• Square