Teacher resources and professional development across the curriculum

Teacher professional development and classroom resources across the curriculum

## Units and Prefixes

Explore some common units and prefixes in the metric system. Then decide which metric units you would use to measure several displayed objects.

## Using Hexominos to Manufacture Boxes

Which hexomino net wastes the least amount of paper and yields the most boxes per sheet? Comment on how concepts such as area, spatial visualization and relationships among geometric shapes are all involved in solving this problem.

## Valentines Cards

How many valentines are exchanged if each of your 24 students gives a valentine to everyone else in the class? Think about how you would solve a similar problem for a school of 1,000 students.

## Variation in Estimates

A computer can perform random sampling and estimation faster than you can. Use the computer to help you estimate a penguin population from computer-selected random samples.

## Volume Symbols

Study the names and abbreviations of volume units in both the metric and British systems. Then play a game to see how well you remember them.

## Who Says We're Alike?

You are working for candidate Fletcher. Read his political profile, view the demographic profile of the city, and decide which random sample increment to use when you conduct your first telephone poll of Republican women.

## Working with the Mean Absolute Deviation (MAD)

The concept of the arithmetic mean and deviation from the mean can be graphically representated as a line plot. You will create a line plot to represent specified allocations of coins.

## Your New Car: Lease or Buy?

Choosing whether to buy or lease a car depends on your individual circumstances, preferences, driving habits and budget. Use math and some basic car buying and leasing concepts to make the decision that's right for you.