Magical Mathematics

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Across
  1. 3. An arrangement of shapes and numbers that repeats itself regularly
  2. 5. Negative numbers, positive numbers and 0
  3. 7. When something is calculated out of 100
Down
  1. 1. What is used to buy things
  2. 2. The name of the boundary of any shape
  3. 4. What do we measure in hours, years, seconds etc
  4. 6. A thing that represents a part of a whole
  5. 8. The amount of space that a 2D figure occupies