During an intense learning phase children also improve their maths skills through a testing process, provided that the main emphasis is focused on acquiring techniques from our workbooks. How to use these tests? The tests are not exclusively book specific but they are progressive and emphasise the elements of the six books in order. Tests 1-12 are included in Book 1. Tests 13-18 are included in Book 2. Tests 19-24 are included in Book 3. Tests 25-30 are included in Book 4. And tests 31-40 are included in Books 5 and 6.