Ratio
Changing Ratios
Interactive ratio-changing coin problems with non-algebraic scaling diagrams and algebraic solutions.
Ratio Scaling
Interactive ratio scaling gap-fill task converting between simplest form, unit ratios, totals and differences.
Ratio Scaling Workshop
CPD workshop materials on ratio, scaling and connected proportional reasoning.
Ratio Sharing
Interactive sharing in a ratio questions for area and perimeter, shown one at a time with revealable solutions.
Using Ratios to Find Angles in Polygons
Ratio and angle questions for polygons, where students divide angle sums to find missing angles.
Using Ratios to Find Angles
Ratio and angle questions where students divide straight-line, around-a-point and triangle angles.
