External standards in English, Calculus, Statistics, Physics, Chemistry, Biology, Earth & Space Science, Agricultural & Horticultural Science, Psychology, Business Studies, Accounting and Economics. Each guide shows the big picture, exactly what markers look for at Achieved, Merit and Excellence, and the mistakes that cost grades.
You still need the literacy and numeracy co-requisite (10 + 10 credits) to be awarded NCEA Level 3. If you haven't got it yet, the Level 1 co-requisite guides cover the reading, writing and numeracy assessments.