This 100+ page PowerPoint comprehensively covers the maths skills needed to succeed in GCSE science. The powerpoint has explanations, questions and answers for the skills. Covering: -Decimals, fractions, ratios and percentages -Standard form Estimates -Order of magnitude -Converting units -Appropriate number of significant figures -Mean, median and mode -Frequency tables and diagrams, histograms and bar charts -Scatter diagrams and correlations -Simple probability -Mathematical symbols (=, <, <<, >>, >, etc) -Rearranging equations -Solving simple algebraic equations -Translating between graphical and numerical form -y=mx+c -Determining the gradient of a graph -Calculating a rate of change -Calculating surface areas and volume