Numbers from 30 to 39 30 = 3 tens + 0 ones Thirty 31 = 3 tens + 1 one Thirty-one 32 = 3 tens + 2 ones Thirty-two 33 = tens + ones 34 = tens + ones 35 = tens + ones 36 = tens + ones 37 = tens + ones 38 = tens + ones 39 = tens + ones 71