The Mysterious Donut

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Across
  1. 3. 100,000+20,000+3,000+400+50+6
  2. 5. (1 x 10,000) + (2 x 1,000) + (0 x 100) + (4 x 10) + (1 x 1)
  3. 7. 999,999 Round to the nearest 100,000
  4. 8. 900 and 300 , which is bigger?
  5. 10. 45,980 Round to the nearest 10,000
  6. 12. 1,000,000 x 4
  7. 13. (7 x 1,000) + (8 x 100) + (9 x 10) + (0 x 1)
  8. 15. 888+1002
  9. 17. 20000 - 17755
  10. 19. 10 x 5
Down
  1. 1. 1234-123
  2. 2. Nine hundred and twenty-five
  3. 4. 100 x 5
  4. 6. 9991 - 1911
  5. 8. 88,888 Round to the nearest 10,000
  6. 9. 1,000 x 5
  7. 11. 1,000,000 x 8
  8. 14. Forty thousand one hundred and eight
  9. 16. (100,000 x 6) + (10,000 x 5) + (1,000 x 4) + (100 x 3) + (10 x 2) + (1 x 1)
  10. 18. Three thousand two hundred eighty-one