indices

Tips on Operations of Standard Forms

Operations of Standard Forms refer to + -×÷

+ -
Golden Rule #1: Change everything to the bigger powerGolden Rule #2: Factorise

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×÷

Golden Rule #1: Group numbers together, Group bases together
Golden Rule #2: Apply Power Laws

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Converting Square Root to Fractional Indice

I was going through Indices with some of the students recently when I notice this common misconception.
$\sqrt{a}$ is read as Square Root which means the "default" number outside the square root sign is 2 NOT 1 which a couple of students have thought about.

indiceslaw

I am going to write some tips on operations of standard form questions so I strongly suggest you subscribe to my feed if you have not done so,so that you will be posted when I write a new post .