Thursday groups - no class due to the bank holiday.

Tuesday group - 

Kindly bring the material for week IX. Equations.

HW for week X. - Different kinds of average p. 5 tasks 4 and 5 - solve the problems and complete the definitions. Start thinking about the source of you summary.

HW for week XI.: p. 3 task 9 - read the transcript and fill in the missing verbs. Write down the equations.

                               p. 5. task 12 - rewrite into mathematical symbols.