New
New
Year 9

Geometrical properties: similarity and Pythagoras' theorem

Lessons (17)

warning

These resources will be removed by end of Summer Term 2025.

Switch to our new teaching resources now - designed by teachers and leading subject experts, and tested in classrooms.
    I can enlarge a shape and can state what changes and what is invariant.
    1 Slide deck
    1 Worksheet
    2 Quizzes
    1 Video
    I can translate, reflect and rotate a shape.
    1 Slide deck
    1 Worksheet
    2 Quizzes
    1 Video
    I can recognise that similar shapes have sides in proportion to each other but angle sizes are preserved.
    1 Slide deck
    1 Worksheet
    2 Quizzes
    1 Video
    I can recognise that for congruent shapes both side lengths and angle sizes are preserved.
    1 Slide deck
    1 Worksheet
    2 Quizzes
    1 Video
    I can differentiate between shapes which are congruent or similar or neither.
    1 Slide deck
    1 Worksheet
    2 Quizzes
    1 Video
    I can recognise rotational symmetry in shapes.
    1 Slide deck
    1 Worksheet
    2 Quizzes
    1 Video
    I can appreciate and use the criteria by which triangles are congruent (SSS).
    1 Slide deck
    1 Worksheet
    2 Quizzes
    1 Video
    I can appreciate and use the criteria by which triangles are congruent (SAS).
    1 Slide deck
    1 Worksheet
    2 Quizzes
    1 Video
    I can appreciate and use the criteria by which triangles are congruent (ASA and AAS).
    1 Slide deck
    1 Worksheet
    2 Quizzes
    1 Video
    I can appreciate and use the criteria by which triangles are congruent (RHS).
    1 Slide deck
    1 Worksheet
    2 Quizzes
    1 Video
    I can identify congruent triangles and prove why they are congruent.
    1 Slide deck
    1 Worksheet
    2 Quizzes
    1 Video
    I can appreciate there is a relationship between the lengths of the sides of a right-angled triangle.
    1 Slide deck
    1 Worksheet
    2 Quizzes
    1 Video
    I can use Pythagoras' theorem to find the length of the hypotenuse.
    1 Slide deck
    1 Worksheet
    2 Quizzes
    1 Video
    I can use Pythagoras' theorem to find the length of one of the shorter sides.
    1 Slide deck
    1 Worksheet
    2 Quizzes
    1 Video
    I can identify which side length is missing and use the appropriate form of Pythagoras' theorem to calculate it.
    1 Slide deck
    1 Worksheet
    2 Quizzes
    1 Video
    I can use and apply Pythagoras' theorem to solve problems in a range of contexts.
    1 Slide deck
    1 Worksheet
    2 Quizzes
    1 Video
    I can use my knowledge of similarity and Pythagoras' theorem to solve problems.
    1 Slide deck
    1 Worksheet
    2 Quizzes
    1 Video