Ratios, Fractions, Decimals, Percents, Reducing Fractions, Mean, Median, Mode, Line Plot, Circle Graph
This activity has it all! Students bring in a bag of candy containing individual pieces (different colors), collect and analyze data, and then graph their results.
This goes well with Survey Assignment (could be given for Homework the night before)
http://www.teacherspayteachers.com/Product/Survey-Your-Friends-Fraction-Decimal-Percent-ActivityHomework-Assignment