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Year 9 · Maths

Draw And Measure Line Segments And Angles

Year 9 learners practise similar triangles and scale factors.

The activities include Calculate Lengths of Sides in Similar Triangles Using Scale Factors. 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

  • Calculate Lengths of Sides in Similar Triangles Using Scale Factors

Checked learning resources

  • Similarity in shapes

    Oak National Academy · Video · Opens on the provider website

    I can recognise that similar shapes have sides in proportion to each other but angle sizes are preserved. This KS3 maths video lesson directly teaches the concepts and calculation method required by "Calculate Lengths of

  • Symmetry and transformations

    BBC Bitesize · Worksheet · Opens on the provider website

    BBC KS3 maths teaching, worked examples and practice checks for Draw And Measure Line Segments And Angles, including calculation. This was selected against the complete context of "Calculate Lengths of Sides in Similar T

  • Geometrical properties: similarity and Pythagoras' theorem: lesson sequence

    Oak National Academy · Teaching · Opens on the provider website

    This KS3 Oak unit provides sequenced teaching and worked examples on Geometrical properties: similarity and Pythagoras' theorem, including the closest lesson: Similarity in shapes.

  • Geometrical properties: similarity and Pythagoras' theorem

    Oak National Academy · Lesson · Opens on the provider website

    Year 9 Maths resource matched to similar triangles and scale factors.