Definition of density Student activity Play

Definition of trigonometric functions Whiteboard exercise Play

Definition of trigonometric functions Student activity Play

Derivative of linear combination of trigonometric functions Whiteboard exercise Play

Derivatives of the trigonometric functions in geometry Animation Play

Derivatives of trigonometric functions Class activity Play

Derivatives of trigonometric functions Whiteboard presentation Play

Deriving function from equations Animation Play

Determination of molecular structure Student activity Play

Determining the empirical formula Student activity Play

Determining the empirical formula Whiteboard exercise Play

Determining the molecular formula Animation Play

Determining the proportions of matter in the ecological pyramid Animation Play

Determining the signs of trigonometric functions Student activity Play

Direct proportion Whiteboard exercise Play

Discriminant of the equation ax 2 + bx + c = 0 Student activity Play

Dividing 450 euro into three parts Whiteboard exercise Play

Dividing a line segment Student activity Play

Dividing into a given ratio Student activity Play

Dividing quantities in a given ratio Whiteboard exercise Play

Dividing quantities in a given ratio Student activity Play

Dividing segments in a given ratio Student activity Play

Dividing segments in a given ratio Whiteboard exercise Play

Division into three parts in a given ratio Student activity Play

Division into three parts in a given ratio Animation Play