This tutorial features a hands-on lesson that teaches equivalent fractions for grades 3-4. Students explore fractional parts equivalent to one-half. Lesson plan includes an extensive list of materials, worksheets, extension activities...

Students learn about and practice converting between fractions, decimals and percentages. Using a LEGO MINDSTORMS NXT robot and a touch sensor, each group inputs a fraction of its choosing. Team members convert this same fraction into a...

Through 10 lessons and more than 20 hands-on activities, students are introduced to the concept of an environment and the many interactions within it. As they learn about natural and human-made environments, as well as renewable and...

Dividing polynomials by monomials or binomials is made easy with a teacher lesson explanation, a practice activity for the student, and a hands-on cryptic cube activity for reinforcing the lesson.

Do you know what the largest sensory organ of the body is? Use this site on skin and its sense of touch to learn more.