Data Management Word Problem

Data Management and Number Sense Word problem

E and R explaining their mathematical thinking to the class

Interpreting Line Graphs

Good questions to get students thinking about the mean. Making discoveries as we go along ...

Good discoveries! 

- Finding the mean of 3 consecutive numbers always turn out to be the middle number!

- The mean of 4 consecutive set of numbers is never a whole number

- The mean of an odd quantity of whole consecutive numbers always seem to be the middle number

- The mean of an even quantity of whole numbers is always half way between the middle two numbers

Broken line graphs

Representing our data using a broken line graph

Calculating the mean of a data set

Finding the mean using manipulatives

Leveling Out

Find the mean of a data set

Analyzing the data

Is the information representative of the school?

What decisions can be made regarding the types of equipment the school should buy?

Is there a way to prove that your sample is representative?