Spelling Bee Words for Maths

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Across
  1. 3. a whole number that can be positive, negative, or zero
  2. 5. adding to 180 degrees
  3. 7. mathematical model in which letters represent numbers
  4. 8. lines, planes or surfaces which remain continuously the same distance apart
  5. 9. a number that can be expressed as a fraction or ratio of whole numbers
Down
  1. 1. the longest side of a right angled triangle
  2. 2. a number which cannot be expressed as a fraction or ratio of whole numbers
  3. 4. adding to 90 degrees
  4. 6. at an angle of 90 degrees to a given line, plane, surface, or to the ground
  5. 10. the ability to understand and work with numbers