Stemplot Student activity Play

Stratified sampling Student activity Play

Submerging submarine Animation Play

Substituting into a formula connected with numbers Whiteboard exercise Play

Substituting into formulas connected with numbers Student activity Play

Subtracting natural numbers Whiteboard exercise Play

Subtracting negative numbers Whiteboard exercise Play

Subtracting negative numbers Student activity Play

Subtracting using the written method Animation Play

Subtraction of integers Student activity Play

Subtraction of integers Whiteboard exercise Play

Subtraction of integers on the number line Animation Play

Supplementary, corresponding and alternate angles Whiteboard exercise Play

Supplementary, vertical, corresponding and alternate angles Student activity Play

Surds Whiteboard presentation Play

Surds Animation Play

Surds – the proof Animation Play

Surds – the proof (general case) Animation Play

Symmetric figures Whiteboard exercise Play

Symmetrical figures Whiteboard exercise Play

Symmetrical triangles Animation Play

Symmetries with respect to a line and to a point Student activity Play

Symmetries with respect to parallel lines Student activity Play

Symmetries with respect to two perpendicular lines Student activity Play

Symmetry and congruency Class activity Play