Proportion

Preview of Changing Ratios Changing Ratios Interactive ratio-changing coin problems with non-algebraic scaling diagrams and algebraic solutions. Preview of Ratio Scaling Ratio Scaling Interactive ratio scaling gap-fill task converting between simplest form, unit ratios, totals and differences. Preview of Keeping Things in Proportion Keeping Things in Proportion Workshop slides on proportional reasoning and interweaving, with tasks across ratio, fractions, decimals and percentages. Preview of Interwoven Proportion Interwoven Proportion A proportion task connecting ratio tables, graphs and equivalent multiplicative relationships across different contexts.