Practical applications of voltaic cells Slideshow Play

Problems with the transmission of electrical energy Simulation Play

Problems with the transmission of electrical energy Student activity Play

Production of energy in nuclear power plants Animation Play

R.m.s. voltage and r.m.s. current Animation Play

R.m.s. voltage and r.m.s. current Student activity Play

Radiation of solids Student activity Play

Radiation of the stars Simulation Play

Radiation of the stars Whiteboard exercise Play

Radiation of the stars Student activity Play

Raising 10 to a negative integer Whiteboard exercise Play

Raising 10 to a positive integer Whiteboard exercise Play

Raising 10 to an integer Animation Play

Rate at which work is done Whiteboard exercise Play

Rate at which work is done Student activity Play

Reciprocal of irrational numbers Whiteboard exercise Play

Root of any order as a power Student activity Play

Root of any order as a power Whiteboard exercise Play

Roots and the index law for the power of a power Animation Play

Roots as powers Whiteboard exercise Play

Roots as powers Student activity Play

Roots of roots – finding true equations Whiteboard exercise Play

Roots of roots – more examples of true or false equations Whiteboard exercise Play

Rounding decimals Whiteboard exercise Play

Rounding decimals to 0.1 or to 0.01 Animation Play