In this solving equations worksheet, students simplify equations containing fractions and variables on both sides and then solve for the unknown. This two-page worksheet contains 25 multi-step problems.

Fourth graders study about sound waves and how they behave in various media. They create a soundproofed container. They explain that velocity describes a change in distance over time.

Students investigate what a controlled group is by creating an experiment.  In this plant growth lesson plan, students identify the different parts of a plant and discuss what is needed for a plant to be successfully grown....

Students explore number sense by completing a statistical analysis game in class. In this data graphing lesson, students utilize visual references such as colored cubes and tiles to map out the results of an experiment outcome such as a...

First graders complete center activities as they practice their addition and subtraction skills. They listen to Rick Walton's, "How Many, How Many, How Many" before playing games, and completing addition and subtraction worksheets at...

The story of the word X-Ray is one of great thinkers. French philosopher Rene Descartes isolated the letters X, Y and Z to stand for unknowns, and centuries later, Wilhelm Rontgen discovered the X-ray, using the X for the unknown nature...