Edexcel IGCSE Maths 复习笔记 6.1.2 Averages from Tables & Charts How do we find averages if there are lots of values? In reality there will be far more data to work with than just a few numbers...
Edexcel IGCSE Maths 复习笔记 6.1.1 Mean, Median & Mode Why do we have different types of average? You’ll hear the phrase “on average” used a lot, from politicians talking about the economy to s...
Edexcel IGCSE Maths 复习笔记 5.5.1 Combined Transformations Combined Transformations – what do I need to know? Combined transformations are more than one transformation, one performed after the aft...
Edexcel IGCSE Maths 复习笔记 5.4.1 Transformations - Enlargement Enlargement – what do I need to know? You need to be able to perform an enlargement (on a coordinate grid) as well as spotting and d...
Edexcel IGCSE Maths 复习笔记 5.3.1 Transformations - Translation Translation – what do I need to know? You need to be able to perform a translation (on a coordinate grid) as well as spotting and de...
Edexcel IGCSE Maths 复习笔记 5.2.2 Transformations - Reflection Reflection – what do I need to know? You need to be able to perform a reflection (on a coordinate grid) as well as spotting and descr...
Edexcel IGCSE Maths 复习笔记 5.2.1 Transformations - Rotation What are transformations in maths? There are 4 transformations in GCSE Maths – rotation, reflection, translation and enlargement All 4 ...
Edexcel IGCSE Maths 复习笔记 5.1.4 Vectors - Modulus What is a vector? Vectors have various uses in mathematics In mechanics vectors represent velocity, acceleration and forces At IGCSE vect...
Biomass The biomass of an organism (or of a sample of tissue from an organism) is: The mass of living material of the organism or tissue The chemical energy that is stored within the organis...
