Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Finding Percents
Get independent practice working with finding percents. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
University of Cambridge
University of Cambridge: Nrich: Put Out the Flags
Sharpen your logic and percent skills while working on this challenge. A strategy for solving the problem and the solution are available from links on the left.