The Great Maths Week Challenge

1234567891011121314151617181920212223242526272829
Across
  1. 2. A positive whole number
  2. 4. A four sided shape
  3. 7. The top symbol in a fraction
  4. 9. Another name for the number that can be rounded to 3.14
  5. 11. The four divisions in a coordinate graph
  6. 14. A positive or negative whole number including zero
  7. 15. A triangle with two sides of equal length
  8. 18. The longest side in a right angled triangle
  9. 21. The set that does not contain anything
  10. 22. angle that is less than 90 degrees
  11. 24. A number that cannot be written as a fraction
  12. 25. A symbol representing an unknown value
  13. 26. The amount of surface enclosed within a shape
  14. 28. A number that has two factors, itself and 1
  15. 29. The item which occurs most often in a data set
Down
  1. 1. An expression with two terms
  2. 3. The chance of something happening
  3. 5. The maximum value minus the minimum value
  4. 6. A well defined collection of objects
  5. 8. The point (0,0) on the coordinate plane
  6. 10. A number multiplied by itself three times
  7. 12. The distance from the centre of a circle to the circumference
  8. 13. Lines that meet at 90 degrees
  9. 16. The steepness of a line
  10. 17. Triangles whose sides and angles are the same size
  11. 18. A seven sided polygon
  12. 19. Equal in value
  13. 20. A line that touches a circle at one point
  14. 23. The number in front of a variable
  15. 27. Angle that is greater than 180 and less than 360 degrees