Criteria 4 3 2 1 Most calculations Most calculations A few calculations have been completed with have been completed but completed with some good accuracy. accuracy has been a accuracy. Skills All calculations have been completed with high level of accuracy. challenge. Knowledge Communication Evidence of a strong Evidence of a sound Evidence of an attempt to Struggled to show understanding of ideas and understanding of ideas and understand ideas and understanding of ideas and concepts covered. concepts covered. concepts covered. concepts covered. Correct maths algorithms Mostly correct maths Some correct maths symbols and symbols used. symbols and methods used. and methods used. Clear written and verbal Clear written or verbal Some clear written or verbal Some verbal communication communication of ideas. communication of ideas. communication of ideas. of mathematical ideas in this Correct maths algorithms Mostly correct maths Some correct maths symbols work. and symbols used symbols and methods used. and methods used.