The mean and the modal value Whiteboard exercise Play

The most common alcohol – ethanol Whiteboard exercise Play

The most common alcohol – ethanol Student activity Play

The most common igneous rocks Slideshow Play

The most common rock-forming minerals Slideshow Play

The most common transition metals Slideshow Play

The new price Whiteboard exercise Play

The new price of the dress Animation Play

The new prices of the dresses Whiteboard exercise Play

The number of common points of the coordinate axes and the circle Whiteboard exercise Play

The number of common points of the coordinate axes and the disc Whiteboard exercise Play

The overall percentage change Whiteboard exercise Play

The overall percentage decrease Whiteboard exercise Play

The percentage decrease in price Whiteboard exercise Play

The phenomenon of radiation Student activity Play

The phenomenon of radiation Audio text Play

The price cuts Whiteboard exercise Play

The price of a ball-pen Whiteboard exercise Play

The price of a cinema ticket Whiteboard exercise Play

The price of a notebook Simulation Play

The price of airline ticket without the discount Whiteboard exercise Play

The price of book Whiteboard exercise Play

The price of cake Whiteboard exercise Play

The price of fabric Whiteboard exercise Play

The price of land Animation Play