How scales numerical works
You get several data sheets of tables and charts and a series of statements about them, and for each statement you decide True, False or Cannot Say. Aon’s practice guide says all the information a statement needs can be found on a single data sheet, so part of the work is finding the right one.
Aon lists 37 tasks in 12 minutes and tells you to finish as many as you can. Worked examples come before the timed part, and as with the verbal test you can move between tasks, though Aon recommends keeping to the order given.
What Aon’s worked examples teach
Units matter. Whether a figure is in thousands, or is a percentage rather than an absolute number, changes whether a statement holds, and Aon’s examples are built to catch a quick reader on exactly that.
Not every statement needs an exact calculation. Where a rough estimate already shows a statement must be true or false, Aon’s examples settle it that way. A figure that is close to the stated value but not equal to it makes the statement False, not roughly True.
Cannot Say covers questions the data does not reach. In one of Aon’s examples the statement asks about a year the table does not include, so it cannot be judged either way.
How it is scored
No scoring rule for scales numerical itself appears in Aon’s material. What it does say, for performance tests in general, is that points are usually added for each correct answer and deducted for every incorrect answer, and that incorrect answers generally have a negative effect on the final result.
How our practice version works
Our scales numerical practice follows the published numbers: 37 statements on five data sheets of tables and charts, one 12-minute clock, and True, False or Cannot Say for each. Keep a calculator and paper beside you, as Aon advises.
As in our verbal version, the flow is forward only with a Skip control, and a wrong answer costs one mark while a skip costs nothing. That marking follows Aon’s general statement about performance tests rather than a published rule for this test, and the data sheets are our own.