Fun with Maths

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Across
  1. 4. A 4 sided ancient Egyptian structure.
  2. 10. The equivalent of adding 2 random numbers.
  3. 11. These go below 0.
  4. 12. Flat 6 sided shape.
Down
  1. 1. The symbol has 2 dots and a line separating them.
  2. 2. It can hold ice cream.
  3. 3. The complete opposite of adding 2 numbers together.
  4. 5. It's symbol is the same as an equal sign but the top layer has a bump in the middle.
  5. 6. A flat rounded shape.
  6. 7. It's the shape of a Cricket ball.
  7. 8. 2 faced and has a curved body.
  8. 9. Has 6 equal sides.