Calculating Angles in a Triangle
Apply the properties of angles in a triangle to calculate unknown angles with this highly engaging maths lesson with differentiated self-marking activities.

Description
By the end of this unit, students will be able to:
- learn that the interior angles of a triangle add up to 180 degrees;
- use this rule to work out unknown angles in a triangle.
Links to Curriculum
Year 6 Geometry: Properties of shapes
- Compare and classify geometric shapes based on their properties and sizes and find unknown angles in any triangles, quadrilaterals, and regular polygons.
Target Ages
- Age: 9-11
- England & Wales: Year 5-6
- Scotland: Primary 5-6
- Rep. Ireland: Fourth-Fifth Class
- Australia: Grade 4-5
- USA: Grade 4-5
What's Included
- Three-part Lesson
- Self-marking Activities
- Fluency, Reasoning and Problem-solving Questions.
- Engaging Drag and Drop Activities
- Interactive Self-marking Worksheet
- Printable Worksheets to Consolidate Learning
Video Preview
Connected Resources
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Best Value
Maths
£
7
Monthly
99
Monthly
- Access for multiple users
- Access to all Maths Content
- Downloadable resources
- Progress tracking for all users
Science
£
7
Monthly
99
Monthly
- Access for multiple users
- Access to all Science Content
- Downloadable resources
- Progress tracking for all users





