Properties of 2D and 3D shapes and symmetry
Why this, why now
In this unit pupils will complete and compose symmetrical shapes from two congruent shapes and investigate lines of symmetry in 2D shapes.
Prior knowledge requirements
- Ardaydu waa inay yaqaanaan aasaaska maadada.
- Ardaydu waa inay awoodaan inay raacaan tilmaamo fudud.
Unit 22 / 25
Properties of 2D and 3D shapes and symmetry
In this unit pupils will complete and compose symmetrical shapes from two congruent shapes and investigate lines of symmetry in 2D shapes.
10 lessons- Investigate symmetry and symmetrical patterns
- Diagonal lines of symmetry
- Explore symmetry by joining two identical shapes
- Investigate lines of symmetry in 2D shapes by folding
- Explore, sort and classify triangles
- Reflect polygons in a line of symmetry
- Reflect polygons that are dissected by the line of symmetry
- Identify different types of triangle
- Find lines of symmetry in 2D shapes
- Complete a symmetrical pattern