Arithmetic and numerical computation
Decimals and standard form
Ratios, fractions and percentages
Estimating results
Handling data
Differences between qualitative and quantitative data
Primary and secondary data
Using the appropriate number of “significant figures”
Simple Probability
Sampling and scientific data
Statistical tests; non-parametric
Order of magnitude calculations
Symbols =, <, <<, >>, >, ∝, ~
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