The binomial theorem – activity Student activity Play

The capacity of a cell Student activity Play

The capacity of a cell Animation Play

The concept of pH Student activity Play

The corresponding power of 10 Animation Play

The cosine – reducing angles Student activity Play

The debt is decreasing Whiteboard exercise Play

The debt is increasing Whiteboard exercise Play

The debt is increasing. The debt is decreasing Student activity Play

The decimal as a negative exponent Whiteboard exercise Play

The decimal representation and the negative exponent Whiteboard exercise Play

The defects of lenses Whiteboard exercise Play

The defects of lenses Student activity Play

The derivative of a natural power of x Student activity Play

The derivative of a natural power of x Student activity Play

The derivative of a natural power of  x Animation Play

The derivative of a natural power of  x Whiteboard exercise Play

The derivative of a natural power of  x Whiteboard exercise Play

The derivative of an arbitrary rational power of x Student activity Play

The derivative of an arbitrary rational power of  x Whiteboard exercise Play

The derivative of an integer power of x Student activity Play

The derivative of an integer power of  x Animation Play

The derivative of the function on the graph Student activity Play

The developing of film Animation Play

The discovery of the electron and Thomson's model of the atom Student activity Play