Y6 Maths
Year 6 Angles in a Triangle 3
This Year 6 Angles in a Triangle 3 lesson covers the prior learning of calculating internal angles of a triangle and vertically opposite angles, before moving onto the main skill of solving missing angle problems involving internal and external angles.
The lesson starts with a prior learning worksheet to check pupils’ understanding. The interactive lesson slides recap the prior learning before moving on to the main skill. Children can then practise further by completing the activities and can extend their learning by completing an engaging extension task.
National Curriculum Objective
Mathematics Year 6: (6G4b) Recognise angles where they meet at a point, are on a straight line, or are vertically opposite, and find missing angles
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2 Teaching Support
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Lesson Slides
These lesson slides guide pupils through the prior learning of calculating internal angles of a triangle and vertically opposite angles before moving onto the main skill of angles in a triangle 3. There are a number of questions to check pupils' understanding throughout.
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Modelling PowerPoint
This powerpoint can be used to model the questions that the children will complete on the Varied Fluency and Reasoning & Problem Solving worksheets as part of this lesson.
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Lesson Slides
These are the same as the lesson slides on Classroom Secrets. You can assign this as an activity for pupils to access individually in school or remotely from home.
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Video Tutorial
In this Angles in a Triangle Video Tutorial, Ivan shows pupils how to calculate angles in isosceles, right-angled, scale and equilateral triangles.
1 Prior Learning
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Worksheet
This worksheets recaps prior learning of calculating internal angles of a triangle and vertically opposite angles, before moving onto the main skill of solving missing angle problems involving internal and external angles.
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Interactive Activity
This Year 6 Angles in a Triangle 2 Game includes five questions designed to check pupils' ability to calculate missing angles in a triangle using knowledge of hatch marks and interior angles.
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Interactive Activity
This Year 6 Vertically Opposite Angles Game includes five questions designed to check pupils' ability to recognise that vertically opposite angles share a vertex and are equal in size.
2 Varied Fluency
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Worksheet
This differentiated worksheet includes varied fluency questions for pupils to practise the main skill of this lesson.
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Interactive Activity
This Year 6 Angles in a Triangle 3 Maths Game is designed to check pupils’ understanding of recognising the features of a triangle and finding missing angles within a triangle.
2 Reasoning & Problem Solving
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Worksheet
This angles in a triangle 3 extension task includes a challenge activity which can be used to further pupils' understanding of the concepts taught in the angles in a triangle 3 lesson.
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Mixed Practice
This worksheet includes varied fluency, reasoning and problem solving questions for pupils to practise the main skill of angles in a triangle 3.
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Worksheet
This differentiated worksheet includes reasoning and problem solving questions to support the teaching of this step.
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Discussion Problem
This worksheet includes two discussion problems which can be used in pairs or small groups to further pupils' understanding of the concepts taught in this lesson.
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Interactive Challenge Activity
This Year 6 Angles in Triangles Maths Challenge checks pupils' ability to calculate missing angles in any triangles using knowledge of degrees, right angles and hatch marks.
2 Homework
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Worksheet
This differentiated worksheet includes varied fluency and reasoning and problem solving questions to support the teaching of this step.
2 Additional Activities
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Consolidation Pack
This Properties of Shape Consolidation Year 6 resource will help your pupils consolidate their understanding of Summer Block 1: Properties of Shapes.
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Home Learning Pack
This Summer week 5 Maths pack contains varied fluency, reasoning and problem solving worksheets
