IGCSE Maths Edexcel A 4MA1

use ratio notation, including reduction to its simplest form and its various links to fraction notation

Express in the form $1:n$

divide a quantity in a given ratio or ratios

Share £416 in the ratio $5:3$ or $4:3:1$

use the process of proportionality to evaluate unknown quantities

calculate an unknown quantity from quantities that vary in direct proportion

*$s$ varies directly as $t$

Find the missing value in a table*

solve word problems about ratio and proportion

Including maps and scale diagrams