Sisi Mitchell pores over tables of data showing the number of homicides, assaults, arrests and community engagements with police in Minneapolis. Her task is to find which precincts have the most ...

Show values that satisfy an inequality on a set of axes by drawing the line of the corresponding equation and shading the area specified in a question. Include a dashed line for inequalities where the ...

Does helping with your teen’s maths homework or revision fill you with dread? If so, you’re not alone. According to the maths skills organisation, National Numeracy, 23% of parents and carers say that ...