Rational numbers on the number line Animation Play

Rational numbers on the number line – proof of existence Animation Play

Rationalising the denominator Whiteboard exercise Play

Rationalising the denominator Student activity Play

Ratios in paper sizes Animation Play

Ratios of squares Animation Play

Reading out the position from a plan Student activity Play

Reading the rounded value of the square root Animation Play

Reciprocal of irrational numbers Whiteboard exercise Play

Rectangle built up of 60 equal squares Animation Play

Rectangles Student activity Play

Rectangles in LOGO Student activity Play

Recurring decimals Class activity Play

Recurring decimals Whiteboard presentation Play

Regular and irregular polygons Student activity Play

Regular polygons Animation Play

Regular polygons Simulation Play

Regular polygons Animation Play

Regular polygons – the octagon Student activity Play

Regular polygons – the square Simulation Play

Regular polygons – the square Student activity Play

Regular polyhedron Animation Play

Regular shapes Student activity Play

Relatively prime numbers Whiteboard exercise Play

Reliability of demonstration Animation Play