Kernmodul
The core module
Ninety minutes. Three timed subtests of general cognitive skill: figure sequences, mathematical equations, Latin squares.
Three clocks, one score
The core module is three short tests of 25 minutes and 20 tasks each. You cannot carry unused minutes into the next subtest. Official sample videos walk through figure sequences, mathematical equations, and Latin squares. Official preparatory PDFs specify 20 series of matrices, 20 systems of equations, and 20 Latin-square tasks. The certificate reports a core-module dMAT score on a 0–200 scale (mean 100) and a percentile against all sitters.
What it is not
It is not A-level maths, not CAT quantitative, not a memory test. Equations stay in small integers. Figures never leave the field, disappear, or (in the official description) overlap in a way that deletes a piece — they bounce at borders. Latin squares are 5×5 with letters A–E. If you have sat TestAS, the family resemblance is deliberate; the tasks are not identical.
How to practise here
Learn the rule of each subtest with the worked examples, then drill untimed until the format is boring. Sit a 25-minute section mock (20 official-load items) before you attempt a full paper. Both frames of a figure item must be right to score — a half-right item is a zero.