Ones and Tens 1 one = 1 2 ones = 2 3 ones = 3 4 ones = 4 5 ones = 5 6 ones = 6 7 ones = 7 8 ones = 8 9 ones = 9 1 ten = 10 2 tens = 20 3 tens = 30 4 tens = 40 5 tens = 50 6 tens = 60 7 tens = 70 8 tens = 80 9 tens = 90 10 tens = 100 Mathematics-1 79