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Adding, subtracting and multiplying two and three digit numbers. Now with worked solutions.

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simplifying, multiplication, fraction of square roots resulting in rational, square root of fraction resulting in rational, rationalising the denominator, simple rationalising the denominator conjugate

Ferrous Metals

Converting between giga, mega, kilo, base, milli and micro, nano. Metres, grams and litres.

Converting between metres (m) and centimetres (cm). 

Converting between kilo, base, milli and micro. Grams, litres and metres.

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Multiply two algebraic fractions (unfortunately their appearance doesn't really change) and cancel. 

Students seem to freak out when their answer is not written exactly the same as the answer provided. This question tries to enforce that $(x-y)=-(y-x)$ and $\frac{a-b}{c-d}=\frac{b-a}{d-c}$

Collecting like terms, expanding a bracket (distributive law), substitution of values, finding factors, simplifying algebraic fractions.

This questions assesses the ability to conduct an ANOVA and interpret the results.

Adaptive marking: an error in calculating F can be carried over to the calculation of the p-value as well as the test conclusion.

This question assesses learners' basic knowledge of a one-way ANOVA and ability to interpret typical software output.

Practice factorising different types of quadratics. Repeat as many times as you want. 

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