Starter quiz

  • Find: 180 − 47 = ______.
    • '133' ✓
  • Complete the sentence: 77° is ____________ angle.
    • an acute  ✓
    • a right
    • an obtuse
    • a reflex
  • Which of these calculations gives a different answer to the others?
    • 180 - 60\times2
    • 360\div6
    • 36 + 24
    • 360-280+20  ✓
    • 54 + {1\over30}\times180
  • Which of these is the most accurate description of a polygon?
    • A 2D shape with at least one straight side.
    • All 2D shapes that are not circles are polygons.
    • A 2D shape made up from only straight line segments.  ✓
    • Triangles and squares are the only polygons.
  • Which of these properties of a polygon always remain invariant when the polygon is reflected?
    • position
    • size of angles  ✓
    • size of sides  ✓
    • sense
  • Which of these properties of a polygon always remain invariant when the polygon is positively enlarged?
    • position
    • size of angles  ✓
    • size of sides
    • sense  ✓
    • orientation  ✓
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