Geometry | The Angle Sum of a Triangle | Printable Activity

THE ANGLE SUM OF A TRIANGLE
~ Working mathematically & Applying strategies and reasoning ~

Skill Level: Easy
Grades: 7th to 9th

Printable activity to practise working mathematically, applying
strategies and reasoning to prove that the angle sum of a
triangle is 180°.

Tasks 1A and 1B: Draw, cut and glue - manipulative activity

• Prove the sum of angles in a triangle is 180°.

Tasks 2A and 2B: Drawing and measuring activity

• Use parallel lines to prove that the angle sum of a triangle is
  180°.

Learning Outcomes:

• Demonstrate that the angle sum of a triangle is 180°
• Recognise and explain mathematical relationships using angles in parallel lines to prove the angle sum of a triangle is 180°.

More Resources:
Colouring Pages
Fun Activity

Topics:
Numbers
Times Table
Fractions
Decimals
Percentages
Significant Figures
Consumer Maths
Financial Maths
Algebra
Measurement and Geometry

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