Maths More pages in this section This week, there are 4 maths tasks to work through – two arithmagons, a combination locks task and a mental test. Task Sheets: 1. Arithmagons LC and MC 2. Arithmagons LC and MC 3. Combination locks LC and MC 4. Mental test Answer Sheets: 1. Arithmagon answers 2. Arithmagon answers 3. Combination locks answers 4. Mental test answers