Back to kindergarten :)
صِفِر sifir zero
وَاحِد waahid one
إِثْنَان ithnaan two
ثَلَاثَة thalaatha three
أَرْبَعَة arba'a four
خَمْسَة khamsa five
سِتَّة sitta six
سَبْعَة sab'a seven
ثَمَانِيَة thamaaniya eight
تِسْعَة tis'a nine
عَشْرَة 'ashra ten