They are very easy, aren't they?
REMEMBER!
1 : one 6: six 11: eleven 16: sixteen
2: two 7: seven 12: twelve 17: seventeen
3: three 8: eight 13: thirteen 18: eighteen
4: four 9: nine 14: fourteen 19: nineteen
5: five 10: ten 15: fifteen 20: twenty
21: twenty - one 31: thirty - one 41: forty - one
22: twenty - two 32: thirty - two 42: forty- two
... ... ...
and SO ON...!!!
