Alan Thwaites has worked in primary education and child development for 27 years; he now combines part-time teaching with writing.

• 1.Add and Take; 2. Times and Divide; 3. Shape and Space; 4. Data Handling; 5. Investigations and Problem Solving 6. Measures and Time; The ideas are closely linked - though not exclusively - to the DfES Primary Framework for Numeracy, giving supportice, short and fun activities to the respective age-groups and coverage requirements. In many cases, activities included in chapters for younger age-groups can also be adapted for older children.