— Index to Volume 20 (1991) No. 1 Jan, No. 2 Mar, No. 3 May, No. 4 Sep, No. 5 Nov. Articles Abas, J. and Algorithms for the Seven Distinct Frieze Types Mar 91 McLeay, H. Ashworth, F. et al Maths Trailing in Dorset Jan 91 Bailey, P. and Mathematics for a Multicultural Society Mar 91 Shan, S. J. Bramald, R. Success Through Practical Mathematics Nov 91 Bridges, R. Graphical Spreadsheets Nov 91 Brown, I. Sneaky Numbers: a Source of Investigations May 91 Burn, B. Square Triangle Numbers Mar 91 Chambers, P. Rolling n-gons 1 Jan 91 Chambers, P. Rolling n-gons 2 Sept 91 Cleves, I. Who Wants Education-Industry Links Anyway? May 91 Collins, J. D. Communicating with Graphs. Are You Sure? Mar 91 Costello, J. Default Assumptions in Mathematics Education Nov 91 Cundall, D. Carpet of Flowers Nov 91 Driver, D. Time to Turn to Tables Mar 91 Driver, D. and Probhex-A Game about Hexagonal Probabilities May 91 English, R. Duffin, J. Written Algorithms Sept 91 Dunkels, A. Much More Than Multiplying By 5 May 91 Ehriich, A. Guided Discoveries Jan 91 Ericksen, D. and A Geometric Cover May 91 Frank, M. Ernest, P. Let's Integrate British Mathematics Education into a Whole that Sept 91 Counts Faulkner, D. Cycles Nov 91 Fletcher, T. Roly Polygons Sept 91 French, D. Keep it Short Mar 91 Gardiner, T. National Mathematics Contest 1990 May 91 Goulding, M. et al Max Box Revisited Nov 91 Hansen, M. The Life Zones Jan 91 Harling, P. Levels of Mathematical Achievement in AT1 and AT9 Sept 91 Hawkin, W. Enterprise Culture in a Church Primary School May 91 Houghton, C. Differences and Pascal's Triangle Sept 91 Jaworski, B. Develop Your Teaching Jan 91 Jolliffe, F. R. The Principle Underlying Quartiles Nov 91 Jones, L. Hub Cap Symmetry Mar 91 Jordon, S. Investigating Shapes within Shapes Sept 91 Kyriacou, C. and Small Group Work in Secondary School Mathematics May 91 Newsom, G. Litwiller, B. H. Circumference of Taxicab Geometry Circles Jan 91 and Duncan, D. McLeay, H. Mathematics and Knots Jan 91 MicLeay, H. and The Seven Frieze Types May 91 Abas, J. Miller, W. Physical Representation for the Sums of Some Polygonal Sept 91 Numbers Millington, J. 153 Nov 91 Milne, R. J. What Shape is a Book? Mar 91 Neal, D. and Calendar Capers 1991 Sept 91 Walker, M. O'Reilly, D. I've got Rhythm: Algorithm Sept 91 Oldfield, B. Games in the Learning of Mathematics Part 1 Jan 91 Oldfield, B. Games in the Learning of Mathematics Part 2 Mar 91 Oldfield, B. Games in the Learning of Mathematics Part 3 May 91 Oldfield, B. Games in the Learning of Mathematics Part 4 Nov 91 Onions, C. The Pyramid Problem Orton, A. Exploring First Year Calculus Orton, A. From Tessellations to Fractals Pagni, D. The Handshake Problem Revisited Pike, M. and Assessing Open Ended Tasks Murray, L. Porkess, R. The MEI Structured Sixth Form Mathematics Scheme Rawlins, P. Modelling a Suspension Bridge Selkirk, K. The Price of a Stamp Shafee, B. Side Steps Stanley, D. et al Paired Weightings, Different Approaches Steward, D. AT1 in ‘91 Thompson, I. SATisfactory Progress Underwood, V. Record Keeping Made Simple Vincent, P. Tessellating into Algebra Woodrow, D. Learning from Experience Features and Reports Letters to the Editors Jan 91, Mar 91, May 91, Sept 91, Nov 91 What If? Jan 91, Mar 91, May 91, Sept 91, Nov 91 Puzzles, Pastimes, Problems Jan 91, Mar 91, Sept 91, Nov 91 Equipment Review Nov 97 Maths Resource Proof by the Shropshire Maths Centre Jan 97 Angle Sums in Polygons by the Shropshire Maths Centre Mar 91 Flow Models by the Shropshire Maths Centre May 97 Compactness by the Shropshire Maths Centre Sept 97 Regions by the Shropshire Maths Centre Nov 97 Book reviews Author Title Reviewer Bailey, A. et al A Practical Guide to Teaching Maths Within C. Cowper the N.C. BEAM Hollows and Solids A. Claire Bloomfield, A. People Maths M. Parker Coffin, S. The Puzzling World of Polyhedral Dissections D. Neal Cofman, J. What to Solve D. M. Neal Crawshaw, J. and A Concise Course in A-Level Statistics R. Sbarra Chambers, J. Dowling, P. and Mathematics Versus the National Curriculum L. Jones Noss, R. French, D. Investigating Maths with a Micro R. Marshall Giblin, P. and Challenging Mathematics R. Marshall Porteous, I. Holton, D. Problem Solving Series Booklets G. Coombs Imeson, K. R. The Magic of Number C. Onions Kirkby, D. Starting Data Handling A. Claire Merttens, R. and Sharing Maths Cultures L. Jones Vass, J. Newton Group Mental Tests for Mathematics D. French Onion, A. et al Investigative and Problem Solving Approaches A. Pedley to Mathematics and their Assessment Savage, M. and Mechanics In Action T. Cross Williams, J. Spode Group The Applied Maths Pack C. Onions Wells, D. Hidden Connections, Double Meanings M. Parker ws ze Zs 2 2 = 2 22 = mAaBgs ; Nz | Ws these NOO n ==