1,1-dichloroethane Animation Play

A chain of fission reactions Student activity Play

A chain of fission reactions Animation Play

A chain of fission reactions Whiteboard exercise Play

A compound containing a long hydrocarbon chain with the CCl3 group Animation Play

A compound containing polar hydroxyl groups along the hydrocarbon chain Animation Play

A couple of forces Animation Play

A figure under reflection in the coordinate system Animation Play

A grasshopper and numbers Student activity Play

A grasshopper and numbers Whiteboard exercise Play

A ladybird Whiteboard exercise Play

A ladybird's trip Whiteboard exercise Play

A ladybird's trip Student activity Play

A sequence Animation Play

A sequence – matchsticks Whiteboard exercise Play

A snail's trip Whiteboard exercise Play

A sulphate salt with a hydrophobic alkyl chain Animation Play

A sulphonate salt with a hydrophobic hydrocarbon chain Animation Play

Accuracy of calculations with the mid-ordinate rule Whiteboard exercise Play

Accuracy of calculations with the mid-ordinate rule Student activity Play

Accuracy of Simpson's composite rule Student activity Play

Accuracy of Simpson's composite rule Whiteboard exercise Play

Accuracy of Simpson's rule Whiteboard exercise Play

Accuracy of Simpson's rule Student activity Play

Add or subtract a changing number Student activity Play