#### Lesson Videos:

Find the mean by equally distributing objects

In this lesson, you will learn how to find the mean by equally distributing picture objects and using a standard algorithm.

Find the median by elimination

In this lesson you will learn to find the median of a given set of data by using a number line and eliminating data to find the middle point.

Find range using graphs and charts

In this lesson you will learn to find the range of a given set of data including and excluding the outlier by using graphs and charts.

Describe the shape of a dot plot

In this lesson you will learn about the shape of the distribution of data by looking at various graphs and observing symmetry, bell curves and skews.

Identify clusters, peaks and gaps in a dot plot

In this lesson you will learn how to identify clusters, peaks and gaps and their relationship to the data by examining the distribution on a dot plot.

#### Isolation Drills:

Clusters, gaps, peaks, and outliers

#### Interactive Practice:

- Bean Pi – To involve students in a small group exploration of the concept of area for circles, and to involve students in data collection.
- Leap Frog – Design an experiment to answer a question, collect information, and interpret the results using charts
- Marbles – Students learn about sampling with and without replacement by modeling drawing marbles from a bag. Parameters: Number and color of marbles in the bag, replacement rule.
- Practice with Data – Answer five questions about collecting and organizing data – from the Internet archive, the Wayback Machine
- Probability – Spy Guys Interactive Lesson 19
- Quantitative Environmental Learning Project – A rich source of data based projects
- The Random Ball-Picking Machine – Experiment with a random generator at a BBC site to collect data to make decisions about probability.
- The Random Ball-Picking Machine – Quiz based on the random generator lesson
- Understanding Probability – Lesson plan from Discovery Education