Practice GCSE questions here: Here are the links to the particular questions I cover: 1:03 Q1 Find the gradient of a line (it's a positive whole number). 4:34 Q2 Find the gradient of a line (it's a negative whole number). 7:15 Q3 Find the gradient of a line (it's a positive fraction). 9:24 Q4 Find the gradient of a line (it's a negative fraction). 11:03 Q5 Find the gradient when given 2 pairs of coordinates. 13:18 Q6 Find one coordinate when given 3 others.