Teacher resources and professional development across the curriculum

Teacher professional development and classroom resources across the curriculum

## European Colonies Challenge

See how much you know about the European powers and the colonies they established in North America. Then boost your score in the lightning round as you locate the original 13 states.

## European Union Timeline

Since the end of World War II, many European countries have been working to foster increasing unity. This interactive timeline traces the development and future of the European Union.

## Evaluating Evidence

Evaluate primary sources to determine their support of a given thesis. Using the Civil War as an example, rank the relevancy of sources in relation to four common beliefs as to the cause of the war.

## Even Data Sets

How do you find the median for an even numbers of noodles? Learn how in this three-noodle summary of twelve noodles.

## Expansion Concentration

The name of an event, person or land acquisition will appear when you click on a square. Click on another square to match the event or person with the correct land acquisition in this two-minute game.

## Experiencing Discipline-Specific Texts

This activity features a short text related to the topic of economics in each of the four disciplines — science, mathematics, English, and history — with questions to assess learning about each text. The goal is to experience the different text types and specialized literacy practices required to make sense of the ideas presented, which students must do each school day.

## Explore & Play with Prisms

Explore the properties of four prisms. Change the direction and speed of each prism's rotation and highlight the numbers of faces, vertices and edges for each one.

## Explore & Play with Pyramids

Explore the properties of four pyramids. Change the direction and speed of each pyramid's rotation and highlight the numbers of faces, vertices and edges for each one.

## Explore Platonic Solids and Input Values

Observe five platonic solids. Input the number of faces, vertices, edges and the number of faces meeting at each vortex in the table provided.

## Exploring the Cultural Framework

Use the triangle model of the cultural framework to explore how products, practices and perspectives are interrelated. Compare two different products, practices and perspectives and see sample answers for each from two different cultures.

## Exploring Zero and Infinity on a Graph

Explore the number line and its elements through a graphic representation of an equation. Move along the curve of the graph of xy=12 to see how the values change as you vary x or y and consider what happens for negative values of x and y.

## Factors

Explore the factors of numbers 2 to 36. Show how many factors each number has and identify which one are prime.

## Find the Feature

Examine a map of the United States and correctly identify major geographic features such as mountains, rivers and oceans. There are 20 questions and you have 30 seconds to answer each one.

## Find the Surface Area of a Cylinder

Watch the net animation of a cylinder. Then calculate the cylinderâ€™s surface area using the formula provided.

## Find the Surface Area of a Rectangular Prism

Watch the net of a rectangular prism fold up into a three-dimensional object. Then calculate and add the value for each face of the prism to get the total surface area.

## Find the Volume of a Cylinder

Determine the volume of a cylinder. Learn the formula for the volume of a cylinder.

## Find the Volume of a Rectangular Prism

Determine the volume of a rectangular cube. Learn the formula for the volume of a cube.

## Finding Pentominos

Pentominos are figures made from five squares where each square must touch at least one other square from corner to corner and side to side. How many pentominos can you make?

## Fitting Lines to Data

For a given set of data points, the line that minimizes the sum of the squared errors is the least squares line. Find the least squares line that best represents the height and foot length of 17 people in a scatter plot.

## Five Noodle Summary

The Five-Number Summary divides ordered numeric data into four groups with each group having the same number of data values. You will create a five-noodle summary for two different sets of noodles.