Across
- 2. FIVE MINUS ONE
- 4. FIFTEEN MINUS THREE
- 6. FOURTEEN PLUS THREE
- 9. TWENTY MINUS TWELVE
- 11. EIGHT MINUS SEVEN
- 12. NINETEEN MINUS SEVEN
Down
- 1. EIGHTEEN PLUS ONE
- 2. TWELVE MINUS FIVE
- 3. FOUR PLUS TWELVE
- 5. TWELVE MINUS SEVEN
- 6. NINE MINUS THREE
- 7. NINE MINUS SIX
- 8. ELEVEN MINUS NINE
- 10. EIGTH PLUS TWELVE