Uni, Bi, Tri, other

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Across
  1. 5. a fantasy creature like a horse
  2. 7. there is 3 people
  3. 9. it means together
  4. 10. you can have twins,…….. or more
  5. 11. a shape that sounds like October
  6. 12. you can double it but also t….. it
Down
  1. 1. we live in it
  2. 2. everybody is u…..
  3. 3. schools wear it
  4. 4. a shape starting with p
  5. 5. very important skill to have starting with u
  6. 6. an underwater animal with lots of legs
  7. 8. the 10th month
  8. 12. shape that has 3 vertices