How much does it weigh? Student activity Play

How much more could it contain? How much less? Student activity Play

How much more could it contain? How much less? Whiteboard exercise Play

How much more could it contain? How much less? Whiteboard exercise Play

How to multiply a sum by a monomial Student activity Play

How to write a number without too many zeros Student activity Play

Importance of ethene and other alkenes Student activity Play

Improper fraction in the exponent Animation Play

Index laws for positive exponents Student activity Play

Industrial manufacture of ethene Animation Play

Intercept form of a straight-line equation Student activity Play

Interesting fact Animation Play

Is a difference an exact result? Whiteboard exercise Play

Is a practical demonstration reliable? Student activity Play

Is a practical demonstration reliable? Whiteboard exercise Play

Is a product a terminating or a recurring decimal? Whiteboard exercise Play

Is a product a terminating or a recurring decimal? Student activity Play

Jet engines Slideshow Play

Juice Whiteboard exercise Play

Lenna's shopping Whiteboard exercise Play

Main fractions of crude oil Illustration Play

Main uses of crude oil fractions Slideshow Play

Mental calculations involving multiplication Whiteboard exercise Play

Mental calculations involving powers Whiteboard exercise Play

Mental method Animation Play