- Percents and Fractions
- Statistics and Data
Mathletes will analyze frequency tables, histograms, stem-and-leaf plots and other visual representations to solve problems about sets of data. In the extension, Mathletes will analyze a set of data...
- Probability, Counting and Combinatorics
This plan builds on what Mathletes already know about ratios to introduce the definition of probability as a ratio of desired outcomes to total outcomes. Mathletes will then practice calculating the...
- Percents and Fractions
Video by Art of Problem Solving's Richard Rusczyk.
- Proportional Reasoning
Original Handbook Problem: Three Maryland educators will split equally $234 million from the Mega Million Lottery. Each will collect about $53 million after taxes. What percentage of tax will be paid...