Pupil outcome: I can write any positive integer uniquely as a product of its prime factors. Key learning points: - Every composite number has prime number factors. - All the factors of a number can be broken down into prime factors. -...

Pupil outcome: I can state the commutative law and use it to calculate efficiently. Key learning points: - A number can be expressed as the product of prime factors. - By using the commutative law, you can chose which factors to multiply...

Did you know that (at least) one mark in the HSC Chemistry exam comes from using the correct units? If you know your SI units well, then you’re guaranteed a free mark! If only the rest of the exam was that easy! This lesson will cover...

Exam tip: one mark in the HSC Physics exam may come from using the correct units. So, if you write and use SI units in all calculations (a pretty simple task), you’ll get a free mark! If only the rest of the exam was that easy! This...

Exam tip: always show units when performing calculations, because missing units might be penalized by the markscheme! This lesson will continue our crash course on units, focusing on SI prefixes and simple unit...