Jayven's crossword :)

12345678
Across
  1. 1. 3 + 2
  2. 4. 6 + 6
  3. 5. -6x6
  4. 6. -10x10
  5. 8. 3 + 5
Down
  1. 1. 2 + 2
  2. 2. 0-30
  3. 3. 10 + 7
  4. 6. 8-31
  5. 7. 8 + 1