Maths magic

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Across
  1. 2. A way to represent a part of a whole, written as a ratio of two numbers (numerator/denominator).
  2. 3. The amount of surface a shape covers, measured in square units.
  3. 5. Two or more straight lines that are always the same distance apart and never meet.
  4. 8. A mathematical sentence that uses an sign to show that two expressions are equal.
  5. 9. Number A number greater than 1 that has only two factors: 1 and itself.
  6. 10. A number that can be positive, negative, or zero, but it cannot have fractions or decimals.
Down
  1. 1. A letter or symbol used in math to represent a number that is not yet known.
  2. 4. The total distance around the outside of a shape.
  3. 6. The figure formed when two rays meet at a common point, measured in degrees.
  4. 7. The straight-line distance from the center of a circle to any point on its edge.