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- Sabrina F., Special Education Teacher
- Fairfax, VA
Radius Teacher Resources
Find teacher approved Radius educational resource ideas and activities
Tenth graders explore circles. In this geometry lesson students investigate the relationships between the diameter and circumference of a circle and between the radius and area of a circle. The dynamic nature of TI-nspire provides opportunity for conjecture and verification.
Investigate the concept of Earth as a model by having learners use VRML to construct a 3-D image of a sphere. They will change the radius and notice the effects it has on circumference and volume. They will also calculate the volume and circumference of Earth given the radius. Great companion for a Geometry class.
Line drawings of a circle, a cylinder, and a cone at the top of the page contain the formulae for area and volume of each shape. Learners complete the missing information in a chart that lists diameter, radius, height, and area and volume of the solid figures. A straightforward, but visually engaging practice sheet.
Chemists compare the electronegativity, ionization energy, electron affinity, and ionic radius of different elements. This worksheet is composed of 11 multiple choice questions, and 8 written explanations. Critical thinking skills are required, making this a terrific homework assignment. An answer sheet follows for your convenience.