Proportions in crossing lines cut by two parallel lines Student activity Play

Radiocarbon method and scintigraphy Animation Play

Radiocarbon method and scintigraphy Whiteboard exercise Play

Radiocarbon method and scintigraphy Student activity Play

Raising 10 to a negative integer Whiteboard exercise Play

Raising 10 to a positive integer Whiteboard exercise Play

Rational equations Whiteboard exercise Play

Rational numbers Whiteboard exercise Play

Rational numbers Student activity Play

Rationalising the denominator Student activity Play

Ratios Class activity Play

Ratios Whiteboard presentation Play

Read and compare Student activity Play

Recurring decimals Animation Play

Recurring decimals Student activity Play

Reducing a fraction Whiteboard exercise Play

Reducing a fraction to lowest terms Animation Play

Reducing an algebraic fraction Animation Play

Reduction of fractions Whiteboard exercise Play

Reduction of fractions Student activity Play

Relationship between division and multiplication Student activity Play

Repeated percentage change Whiteboard presentation Play

Repeated percentage change Class activity Play

Resistors – a case study Whiteboard exercise Play

Resistors – a case study Student activity Play