Math Crossword Puzzle

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Across
  1. 1. A 3D shape with a parallel circle with curved surfaces.
  2. 4. Angles that are exactly 90 degrees
  3. 7. Fractions with a larger numerator than denominator.
  4. 8. The study of lines, angles and shapes.
  5. 10. Whole numbers from 1 onwards.
  6. 11. Angles between 91 and 180 degrees.
  7. 13. Whole numbers that are not negative (0 and above).
  8. 14. A 3D triangle.
  9. 16. The perimeter of a circle.
  10. 19. Angles between 180 and 360 degrees.
  11. 22. Numbers containing a decimal point.
  12. 24. A whole number that can be positive or negative.
  13. 25. Numbers less than 1, containing a numerator and denominator (e.g. 1/2).
  14. 26. An equation or mathematical statement that includes complex letters and numbers.
Down
  1. 2. The length of a line cutting directly through a circle.
  2. 3. A 3D rectangle or square.
  3. 5. Angles between 0 to 90 degrees.
  4. 6. Numbers that have factors other than 1 and itself.
  5. 9. Half of the length of the diameter.
  6. 12. The number of unit squares that can be contained within a flat shape.
  7. 15. Numbers that do not have a factor other than 1 and itself.
  8. 17. Fractions that contain whole numbers.
  9. 18. A ratio whose second term is 100.
  10. 20. Two halves which match perfectly.
  11. 21. A 3D circle.
  12. 23. This is used to find how many times one quantity is as large as another.