Fourth graders participate in a simple experiment that shows the ratio of elements that make up water.

Sixth graders, in groups, examine how humans have a tenuous position as part of an ecosystem.

For this problem solving tools worksheet, students complete a set of 10 multiple choice questions. Worksheet is labeled as a "pre test." 

In this Statue of Liberty worksheet, students read a passage, then answer 5 multiple choice questions; answers included on page 2.

In this speed worksheet, students calculate the average speed of an object or the distance an object travels at a certain speed in 11 word problems.

Students complete worksheets where they calculate the perimeter of polygons. In this perimeter of polygons lesson plan, students divide complex shapes into simple shapes to find the perimeter.

In this geometry learning exercise, 10th graders use right triangle trigonometry to solve problems involving angle of elevation or depression. The one page learning exercise contains eleven problems. Answers are not provided. 

Seventh graders reinforce understanding of logical thinking in problem solving.

[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to estimate the measure of objects in inches, feet, or yards. Includes video demonstrating a sample problem [0:36] and a...

This lesson plan offers an opportunity for students to learn to measure length by fractions of an inch, inches, feet, yards and also change one unit of length to another.

Students use three tracks marked on the floor, one in yards, one in feet and one in inches. As they start and stop a robot specific distances on a "runway," they can easily determine the equivalent measurements in other units by looking...

A map from 1868 of the United States showing physical features, mean annual temperatures, rainfall distribution, watersheds, and principal products in the area. The average annual temperatures are shown by isotherms, with temperatures...

Sphinx is a Greek word signifying 'strangler,' applied to certain symbolical forms of Egyptian origin, having the body of a lion, a human or an animal head, and two wings. Various other combinations of animal forms have been called by...