Straight Line Real Life Examples

A series of questions to practice learning about the straight line.
Each one is based on a real life linear relationship, which pupils investigate.
For a good class will take about an hour to do thoroughly

Skills used:
- drawing graph from data points
- working out the gradient
- working out the y-intercept
- working out the equation of a line from the graph
- using the equation to interpolate missing points

Full solutions included