Maths vocabulary

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Across
  1. 2. the centre of a circle.
  2. 4. the distance from the centre of the circle to its edge.
  3. 6. when the top and bottom of a fraction cannot be any smaller
  4. 9. fractions that look different but have the same value.
  5. 10. a 90 degree angle.
  6. 11. an angle between 90 and 180 degrees.
Down
  1. 1. the distance around the outside of a circle.
  2. 3. a line that passes through the center of the circle. The length of this is two times the length of a radius.
  3. 5. an angle between 0 and 90 degrees.
  4. 7. a 180 degree angle.
  5. 8. a number that can be divided.