Decimals Student activity Play

Deductions for algebraic transformations Student activity Play

Demonstration of a theorem Animation Play

Derivatives of powers with rational exponent Class activity Play

Derivatives of powers with rational exponent Whiteboard presentation Play

Determining the units of equilibrium constant Animation Play

Determining the units of equilibrium constant Whiteboard exercise Play

Difference of squares Student activity Play

Difference of squares Student activity Play

Difference of squares Simulation Play

Difference of squares Whiteboard exercise Play

Dimensions of the figure Animation Play

Dividing powers of the same index Animation Play

Division involving irrational numbers Student activity Play

Do you remember what a polygon is? Student activity Play

Drawing a square in LOGO Simulation Play

Drawing a square inscribed in a circle Whiteboard exercise Play

Drawing a square inscribed in a circle Student activity Play

Easy calculations Whiteboard exercise Play

Easy calculations Student activity Play

Enlargement – the basic property Student activity Play

Enlarging the square Simulation Play

Enlarging the square – the basic property Simulation Play

Estimating areas Student activity Play

Estimating metric units of length Whiteboard exercise Play