Year 4 · Maths
Compare Geometric Shapes
Year 4 learners practise identifying and comparing triangles and quadrilaterals.
The activities include Identify Quadrilaterals, Identify Different Quadrilaterals, Identify Different Quadrilaterals Using Their Properties, and related practice. The checked support below includes video, worksheet, teaching, lesson. Open a resource in its provider's website and choose the format that best helps the learner explain the idea independently.
Activities covered
- Identify Quadrilaterals
- Identify Different Quadrilaterals
- Identify Different Quadrilaterals Using Their Properties
- Identify Different Triangles
- Identify Properties of Triangles
- Name the Triangle
- Name Triangles and Angles Correctly
- Practise Naming Triangles and Angles
Checked learning resources
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Angles in a Triangle | KS2 Maths Concept Video
Twinkl · Video · Account may be required
Teacher-led KS2 video gives pupils missing-angle questions and models using the 180-degree angle sum, addition and subtraction to calculate the unknown angle.
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Explore, sort and classify triangles
Oak National Academy · Video · Opens on the provider website
Explore, sort and classify triangles. This Year 4 Oak lesson includes teacher explanation, worked examples and pupil questions showing how to identify properties of right-angled, isosceles, equilateral and scalene triang
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Triangles Maths Activity Sheets
Twinkl · Worksheet · Account may be required
Year 4 differentiated sheets ask pupils to recognise, identify and sort triangles using their side and angle properties.
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Year 4 Classifying Triangles Video Lesson 2
Twinkl · Teaching · Account may be required
Year 4 video classifies triangles by their angle sizes and links right-angled, acute and obtuse triangles to scalene, equilateral and isosceles triangle names.
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What Are Angles in Maths?
Twinkl · Teaching · Account may be required
Free KS2 guide explains that triangle angles total 180 degrees, then works the exact method: add the two known angles and subtract their sum from 180 to find the missing angle.
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Calculating Missing Angles in Triangles
Twinkl · Worksheet · Account may be required
KS2 worksheet practises using triangle properties to calculate missing angles and then identify the resulting triangle type from its angle measures.
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Year 4 Shape Lesson | Quadrilaterals PlanIt Maths Lesson 4
Twinkl · Lesson · Account may be required
Year 4 Shape Lesson | Quadrilaterals PlanIt Maths Lesson 4. This Year 4 Twinkl resource provides modelled maths teaching or printable practice to identify quadrilaterals from a description. They will also become familiar
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Planit Y4 Properties Of Shape Lesson Pack Geometric Shapes 1
Twinkl · Lesson · Account may be required
Year 4 lesson pack for identifying equilateral, isosceles, scalene and right-angled triangles by their properties, with presentation and worksheets.