To find the area of a shape, surround the shape with a rectangle, determine the areas of the rectangle and subtract the pieces of the rectangle that are outside the original shape. Use this geoboard to create shapes and determine their areas.
The colors listed in the boxes represent different parts of speech: noun, verb, adjective, adverb, etc. Figure out which colors represent which part of speech and then use the colors to create proper sentences.
To find a hidden treasure use taxicab geometry, a special kind of geometry that counts in city blocks. Pick an intersection, ask the computer how far it is to the treasure and get the distance using taxicab geometry.
Different forms of media can present different views of the same story. See how your point of view might change as you read an article, watch a news clip and read an online article about the same event.
Language Arts, Reading, Social Studies and History
Learn about the historical foundations of contemporary psychology. Use the timeline to explore key events, publications, and perspectives that have shaped psychology from the late 19th century to the present.
Build as many different looking towers as is possible, each exactly four cubes high using two colors of Unifix® Cubes. Convince yourself and others that you have found all possible towers four cubes high and that you have no duplicates.
There are five processes that can change rocks over time. Pick the process that has changed each rock from one type to another and then identify the process that cycles each rock from magma to rock and back to magma.
You can find the areas of different polygons by dissecting the polygons and rearranging the pieces into a recognizable simpler shape. Cut a circle into wedges and fit them together to form a crude parallelogram.