Percent practice

Percentage is a way of expressing a number, especially a ratio, as a fraction of 100. See also our verbal problems in percent or
examples1, examples2, examples3, examples4, examples5.

Calculate:
Number of examples:
Range of values:
Complexity:
72-56%+30%-55% =
30+63%+30%-5% =
41+30%-70%-30% =
22+74%-30%+75% =
22-28%+60%-25% =
67-83%+40%+60% =
14-11%-30%+70% =
85-70%+80%+5% =
13+40%-90%-5% =
79+31%-10%+20% =