A. G. Sillitto's influence in mathematics reform in Scottish schools, by A. G. Robertson.--An introduction to trigonometry--a draft chapter, by A. G. Sillitto.--Indoneities, by D. G. Tahta.--Tessellations of polyominoes, by A. W. Bell.--Magnitudes, measurement and children, by W. M. Brookes.--'I thought you were going to tell us about automorphisms', by A. P. K. Caldwell.--The concept of function in the teaching of elementary mathematics, by L. Felix.--Directed numbers, by B. Fletcher.--Bound vectors and free vectors, by T. J. Fletcher.--The human element in mathematics, by C. Gattegno.--Analytical methods in transformation geometry, by G. Giles.--A group calculus for geometry, by A. G. Howson.--Angles, circles and Morley's theorem, by R. C. Lyness.--A mathematical activity; enlargements, by T. D. Morris.--The significance of concrete materials in the teaching of mathematics, by W. Servais.--An exploration in reflection geometry, by W. O. Storer.--Any must go, by E. B. C. Thornton.--Drawings and representation, by D. H. Wheeler.