Starter quiz

  • Match the parts of a circle with their descriptions.
    • circumference
      the distance around the edge of a circle ✓
    • diameter
      furthest distance from one side of a circle to the other ✓
    • radius
      any line segment from centre to circumference of circle ✓
  • What is 10\pi as a decimal rounded to 3 significant figures?
    • '31.4' ✓
  • Evaluate the expression 5x^2 when x=2.
    • '20' ✓
  • Solve the equation: 4x^2 = 36
    • '3' ✓
  • Which is the formula for the area of a circle?
    • A = \pi r
    • A = 2\pi r
    • A = \pi r2
    • A = \pi r^2  ✓
    • A = \pi^2 r
  • What is the area of the circle?
    What is the area of the circle?
    • 9 \pi cm^2
    • 18 \pi cm^2
    • 81 \pi cm^2  ✓
    • 324 \pi cm^2
+