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In this activity, students conduct an investigation to determine the rate of change in the popping of microwave popcorn. Four volunteers will estimate the time in the popping process where the rate of change is at 5 chosen levels. Other students will collect data on number of pops during consecutive 5 second time periods and draw histograms. Students will understand the approximate normal curve for a real data set and the relationship between the rate of popping and the shape of the distribution. This activity also provides an opportunity for students to understand human errors in data collection because not everyone will have the same number of frequencies in the corresponding classes of their histograms.

In this activity, students conduct an investigation to determine the rate of change in the popping of microwave popcorn. Four volunteers will estimate the time in the popping process where the rate of change is at 5 chosen levels. Other students will collect data on number of pops during consecutive 5 second time periods and draw histograms. Students will understand the approximate normal curve for a real data set and the relationship between the rate of popping and the shape of the distribution. This activity also provides an opportunity for students to understand human errors in data collection because not everyone will have the same number of frequencies in the corresponding classes of their histograms.

I have read the attached article in Die Burger of 10 August 2012. The article confirms the  urgent need for the teaching of mathematical literacy. It strengthen the view that if a person can do and understand maths he or she is not necessarily mathematical literate or numerate.  

This tool creates visualizations graphs of the data your twitter/hashtag archives. Use it to help you understand trends such as the number of Tweets over time, top users and words, sentiment, and more.

Explore this interactive graphic to find out which are the biggest sites on the internet, as measured by the Nielsen company. This feature is part of SuperPower, a season of programmes exploring the power of the internet. I can see quite a few maths lit lessonplans stuck in here somewhere....

Nice article to make a mathematical literacu=y stats lesson out of seing hat our learners are loving their soicla media sites. Could get them to research Mxit adoption....

This tool will draw 6 random numbers from 1 to as high as you like. The numbers are random and will be different every time. Makes a fun way to do probability exercises, extra credit questions where students have to guess the number(s) that will come up, and many other clever activities we're sure you'll think of. Have fun!

Jackies presentation at the AMesa2009 conference. You will find the discussion of this presentation and the podcast here: http://mathsliteracy.ning.com/forum/topics/the-interpretation-of

The definition of median and mean and the difference between the two terms is poorly understood by many people and while in many data sets, there is only a marginal difference between the two from a practical standpoint, there is sometimes a stark difference between the two.

Two articles: The first one gives a good perspective of the difference between mean and median and how people manipulate the data and teh second one give s an overview of oil prices vs petrol prices (american perspective)

This could be a great tool to use with students in the clasrrom. They can research their won dataset and visualise it.