Numbers from 50 to 59 50 = 5 tens + 0 ones fifty 51 = 5 tens + 1 one fifty-one 52 = 5 tens + 2 ones fifty-two 53 = tens + ones 54 = tens + ones 55 = tens + ones 56 = tens + ones 57 = tens + ones 58 = tens + ones 59 = tens + ones 91