Animals and number

12345678910111213
Across
  1. 2. this animal often eat cheese
  2. 6. human often use their fur to make clothes
  3. 8. 2+2=?
  4. 9. an animal has wings and it can swim in water
  5. 11. it lives in the water
  6. 12. 5+5=?
  7. 13. an animal which you often ride on
Down
  1. 1. a friendly animal protects your house
  2. 3. an animal has got a trunk
  3. 4. the number after 14
  4. 5. an animal can fly in the sky
  5. 7. the number after 17
  6. 10. It shouts 'meow, meow'
  7. 11. this animal can jump and its color is green