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Grade 6 Math Lab: The Physics of Algebra FREE

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Reflections & Coordinate Geometry

45 min Grade 6 Math Lab: The Physics of Algebra

Learning Objectives

  • Reflect points across axes
  • Identify symmetry
  • Plot on coordinate plane

Key Concepts

Reflection

A mirror image across a line of symmetry

Coordinate Plane

Grid with x-axis (horizontal) and y-axis (vertical)

Theory

**Reflections across axes:** - Across x-axis: (x, y) → (x, -y) - Across y-axis: (x, y) → (-x, y) - Across origin: (x, y) → (-x, -y) **Symmetry:** A shape has line symmetry if one half mirrors the other.

Examples

Reflect (3, -2) across x-axis

Solution: (3, 2)