The 15 minute norm-referenced mathematics test: Basic computations and algebra designed to compare performances

One of the frequently asked questions is, even if not phrased so bluntly, ‘How serious is the problem?’ which means ‘How far behind/adrift is this person?’ It is probable that the answer will be along the lines, ‘About 4 years behind’ or ‘Working at the level of a 10-year-old’ or ‘Performing at the fi rst percentile’. All of these are ways of quantifying the magnitude of the problem.