Capital Greek letter sigma, in neon

Summation and the sigma notation

14 September 2017By

Paul Yates applies this handy shorthand to chemistry calculations in mass and enthalpy

Mathematical equations on a blackboard

Approximations in chemistry

21 April 2017By

Making calculations easier


Changing the subject

29 September 2016By

Fraser Scott gives some insight into rearranging equations


Reflecting on symmetry

13 May 2016By

Paul Yates translates this geometric concept onto molecular structures


Solving simultaneous equations

9 November 2015By

Paul Yates discusses how to solve them and their applications


A sense of proportion

11 May 2015By

Paul Yates discusses a problem of relationships

Read more maths articles


Lemon slices

Acids, bases and salts

10 October 2018By

Ideas, resources and activities for your classroom

Pink and white marshmallows

Elements and compounds

3 September 2018By

Top tips for 11–14 chemistry lessons

Burette taps

Making measurements

20 August 2018By

Help your students use appropriate apparatus to make and record a range of measurements

Hazard suit in a laboratory

Hazards, safety and apparatus

11 June 2018By

Top tips for 11–14 chemistry classes

Small heaps of salt in a wet field

Evaporation, filtration and crystallisation

23 May 2018By

How to add variety and context to lessons while getting students familiar with apparatus

A number of different mixtures of different coloured beads

Mixtures and solutions

16 April 2018By

Top tips for 11–14 chemistry classes

All how to teach...