Strengthen your understanding of place value by looking at systems based on numbers other than 10. Work with manipulatives to calculate base four addition and subtraction problems.
Click through each representation to see how the display of relative frequency relates to the display of cumulative frequency and their corresponding histograms. Examine how each method is useful for summarizing the variation in numeric data.
A stem and leaf plot is a graphical representation for investigating variation. You will convert an ordered stem and leaf display grouped by tens into an ordered display grouped by fives.
You just graduated from law school and want your first case to go all the way to the Supreme Court. Read some case summaries and pick a case you think will make it to the Supreme Court.
Observe a line of people, discover a pattern and figure out who should come next. See if you can complete a pattern of 10 people before the penalty word "Pattern" is spelled out.
Test your knowledge of atoms, orbitals, periods/groups, characteristics of families, isotopes and relative mass. Take this 39-question test, review your correct and incorrect answers, and print out your assessment.
Go through the Periodic Table piece by piece and learn how it works. Also, figure out how and why elements interact to make the world you see around you.
Identify real-world cases of boundary interactions and predict the most likely future geologic outcomes. In the lightning round, unscramble four geologic terms
Place the names of fifteen tectonic plates on the map. Then identify the type of boundary (convergent, divergent or transform) between several of these plates.
Compare the effects of relative and absolute changes on a picture. Watch what happens to a Quadperson (a drawing of a face made of quadrilaterals) if every line were made half as long or made a half-inch shorter.
Plot out a three-dimensional structure based on two-dimensional silhouettes. Look at the front and side view of figures and use a table to plot out the dimensions that mathematically represent the figures.
If you don’t know the conversion factor between a metric and a British unit, use the conversion factors you do know even though this may require more than one conversion step. Practice conversion problems with multiple conversion factors.
If you don’t know the conversion factor between a metric and British unit, use the factors you do know even though this may require more than one step. So if you need to go from meters to inches start with meters to feet and then convert feet to inches.
Help a fictional producer balance a tight budget with his desire to make a successful, critically acclaimed film. Decide on personnel (screenwriter, director, cast), location, special effects and marketing while always keeping the budget in mind.
