Coordinates of points on the number line Student activity Play

Cubes of numbers Animation Play

Cyclic numbers Animation Play

Dealing with very large and very small numbers Animation Play

Decay reaction Whiteboard exercise Play

Deposits of natural gas Slideshow Play

Derivatives of powers with rational exponent Class activity Play

Derivatives of powers with rational exponent Whiteboard presentation Play

Determination of numbers of cells Whiteboard exercise Play

Determination of numbers of cells Student activity Play

Different questions about the same operation Whiteboard exercise Play

Different questions about the same operation. How many times more? How many times less? Student activity Play

Different questions about the same operation. How much more? How much less? Student activity Play

Digestion Whiteboard presentation Play

Dividing natural numbers Student activity Play

Dividing negative numbers Whiteboard exercise Play

Dividing numbers in standard index form Animation Play

Division involving irrational numbers Student activity Play

Division involving irrational numbers Whiteboard exercise Play

Division of rational numbers Whiteboard exercise Play

Division of rational numbers Student activity Play

Division with remainder – positive numbers Whiteboard exercise Play

Effects of animal husbandry on the natural environment Slideshow Play

Effects of fisheries on the natural environment Slideshow Play

Effects of intensive agriculture on the natural environment Slideshow Play