Numbers From 11 To 20

'Eleven' is written as '11'. 10 is a 2 -digit number. It is equal to 1 ten. 11 = 10 + 1 So,eleven is 1 ten and 1 one; 11 = 1 ten + 1 one.

'Twelve' is written as '12'. 12 = 10 + 2 also. So,twelve  is 1 ten and 2 ones; 12 = 1 ten + 2 ones. So,eleven is 1 ten and 1 one; 11 = 1 ten + 1 one.

'Thirteen' is written as '13'. 13 = 10 + 3 also So,thirteen is 1 ten and 3 ones; 13 = 1 ten + 3 ones.

'Fourteen' is written as '14'. 14 = 10 + 4 So, Fourteen is 1 ten and 4 ones; 14 = 1 ten + 4 ones.

'Fifteen' is written as '15'. 15 = 10 + 5 So,Fifteen is 1 ten and 5 ones; 15 = 1 ten +5 ones.

'Sixteen' is written as '16'. 16 = 10 + 6 So,Sixteen is 1 ten and 6 ones; 16 = 1 ten +6 ones.

'Seventeen' is written as '17'. 17 = 10 + 7 So,Seventeen  is 1 ten and 7 ones; 17 = 1 ten +7 ones.

'Eighteen' is written as '18'. 18 = 10 + 8 So,Eighteen is 1 ten and 8 ones; 18 = 1 ten +8 ones.

'Nineteen' is written as '19'. 19 = 10 + 9 So,Nineteen is 1 ten and 9 ones; 19 = 1 ten +9 ones.

'Twenty' is written as '20'. 20 = 10 + 10 So,Twenty is 1 ten and 10 ones; 20 = 2 tens + 0 ones