Starter quiz

  • Match each transformation to its description.
    • enlargement
      ⇔
      changing the size of an object while maintaining the same proportions ✓
    • reflection
      ⇔
      flipping an object over a fixed line ✓
    • rotation
      ⇔
      turning an object by a fixed amount and around a fixed point ✓
    • translation
      ⇔
      moving every point of an object by the same distance and direction ✓
  • If one shape can fit exactly on top of another using rotation, reflection or translation, then the shapes are __________.
    • alternate
    • congruent  ✓
    • corresponding
    • supplementary
  • Which properties of a triangle would remain invariant when it is rotated 90°.
    • The lengths of its edges.  ✓
    • The orientation of the shape.
    • The positions of its edges.
    • The positions of its vertices.
    • The size of its angles.  ✓
  • A square with length 5 cm is enlarged by a scale factor of 1. The length of square in the image is ______ cm.
    • '5' ✓
  • Which of the triangles can NOT be obtained by reflecting triangle T?
    Which of the triangles can NOT be obtained by reflecting triangle T?
    • A
    • B
    • C  ✓
    • D
    • E
  • Triangle A has been reflected over the line of reflection to create triangle B. Match each unknown length from triangle B with its size.
    Triangle A has been reflected over the line of reflection to create triangle B. Match each unknown length from triangle B with its size.
    • a \text{ cm}
      ⇔
      4 cm ✓
    • b\text{ cm}
      ⇔
      3 cm ✓
    • c\text{ cm}
      ⇔
      5 cm ✓
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