The structure of the periodic table Animation Play

The structure of the periodic table Student activity Play

The structure of the periodic table – blocks Student activity Play

The structure of the periodic table – blocks Whiteboard exercise Play

The structure of the periodic table – groups Whiteboard exercise Play

The structure of the periodic table – groups Whiteboard exercise Play

The structure of the periodic table – groups Whiteboard exercise Play

The structure of the periodic table – groups (1) Student activity Play

The structure of the periodic table – groups (2) Student activity Play

The structure of the periodic table – groups and periods Student activity Play

The structure of the periodic table – groups and periods Whiteboard exercise Play

The structure of the periodic table – periods Student activity Play

The sum and difference of trigonometric functions Whiteboard exercise Play

The survey for the RAM Company Whiteboard exercise Play

The tangent – reducing angles Student activity Play

The tangent – reducing angles Whiteboard exercise Play

The time needed to reach the mountain top Whiteboard exercise Play

The trends in the properties of the elements in Period 3 Whiteboard presentation Play

The trends in the properties of the elements in Period 3 Class activity Play

The trigonometric functions of the angle 90° Animation Play

The values of the trigonometric functions Animation Play

Time series Whiteboard exercise Play

Time series Student activity Play

Tomato soup Whiteboard exercise Play

Transforming graphs of trigonometric functions (1) Class activity Play