3:05Perpendicular lines and right angles
2D Space — Level 3
Identify and mark the perpendicular lines in pictures of everyday objects and compass marks. Use a square corner to test for perpendicular lines. Identify shapes that have right angles and/ or parallel lines.
Topics covered
- Measurement and Geometry › Shape › Development: Lines
- Measurement and Geometry › Geometric reasoning › The right angle
- Measurement and Geometry › Geometric reasoning › Comparing angles with right angles
