Half of 128 is 64. This is the answer because if you divide the number by two, you are breaking the number into two pieces, or otherwise, two halves. So, 2 goes into 128 a total of 64 times.
half of 128 is 64. we know this because one half is eaual to .5 and if you multiply .5 by a number you get half that number (for example 10.5=5) so 128.5 =64
