Topology is not covered on the curriculum, but there are a few activities which are good as interest-builders and enrichment activities. PLEASE REVIEW / COMMENT.

Two sets of exam data which can be used as examples for students to use. PLEASE REVIEW / COMMENT. The data can be used in a variety of ways - as well as the questions provided, the students could draw box plots from the raw data (rather than use the ones provided) or comparative bar charts or scatter graphs and answer questions on those. NB: Notebook files were created on version 10 and do not display properly on the new version 11.

Two activities looking at symmetry of numbers. PLEASE REVIEW / COMMENT. Palindromic numbers is a short activity which can be used as a starter or time-filler. Turnnumbers is a longer investigation into patterns in numbers.

Four investigations into the sums of squares. PLEASE REVIEW / COMMENT. NB: Notebook file was created on version 10 and does not display properly on the new version 11.

An activity to show why we count in base 10 and introduce learners to counting in other bases. PLEASE REVIEW / COMMENT.

Four different problems involving clocks. PLEASE REVIEW / COMMENT.

Several properties of factors and of prime factors of square numbers and some related challenge questions. PLEASE REVIEW/COMMENT.