Khan Academy
Khan Academy: Simple Probability
Practice finding probabilities of events, such as rolling dice, drawing marbles out of a bag, and spinning spinners. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Education Place
Houghton Mifflin: Eduplace: Extra Practice Quiz Which Spinner Is Fair?
Decide which spinner is fair for each of the probability examples presented. Read the interactive quiz rules and then click on the "Begin" ticket. If you answer incorrectly you get one more chance to try again then you are told the...