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Across 1. TWENTY FIVE MINUS THE SQUARE OF THREE 3. THE SQUARE ROOT OF NINE PLUS THE SQUARE ROOT OF FOUR 5. ELEVEN SQUARED MINUS EIGHT SQUARED 10. SQUARE ROOT OF SIXTEEN 11. SEVEN SQUARED 12. THE SQUARE ROOT OF ONE HUNDRED FORTY FOUR 13. THE SQUARE ROOT OF ONE 14. THREE SQUARED MINUS THE SQUARE OF ONE 15. THE SQUARE ROOT OF ONE HUNDRED NINTEY SIX 17. THE SQUARE ROOT OF THIRTY SIX PLUS THE SQUARE ROOT OF ONE HUNDRED 18. THE SQUARE ROOT OF TWENTY FIVE TIMES THREE

Down 2. SIX SQUARED 3. EIGHT SQUARED 4. THREE SQUARED TIMES SEVEN 6. NINE SQUARED 7. THE SQUARE ROOT OF SIXTY FOUR MINUS TWO SQUARED 8. THE SQUARE ROOT OF ZERO 9. FOUR SQUARED 10. SQUARE ROOT OF TWENTY FIVE 15. THE SQUARE ROOT OF ONE HUNDRED SIXTY NINE PLUS TWO 16. ELEVEN PLUS THE SQUARE ROOT OF EIGHTY ONE