Maths crossword

1234567891011121314
Across
  1. 2. nine-sided 180 and 360 degrees
  2. 3. Which part of this calculation should be completed first 4(3+12)
  3. 5. a point on a grid has two numbers inside brackets to show its position
  4. 7. 3.14
  5. 8. a 3d shape with 1 side and 1 curved surface
  6. 9. Found by finding the total of the values and dividing by how many there are.
  7. 11. the outside edge of a circle
  8. 12. A nine sided shape
  9. 13. numbers counting backwards from 0
  10. 14. width x length x height
Down
  1. 1. The distance around a shape
  2. 4. Half of the diameter
  3. 6. a series of numbers
  4. 8. A 3D shape with 12 edges
  5. 10. An angle smaller than 90 degrees
  6. 11. 10mm is the same as 1______