Test your students' ability to spot mistakes and develop their understanding with this activity. Pupils are given two different answers to a question and have to determine which is correct (tick) and which is wrong (trash). They then have to explain what misconception has led to the incorrect answer. Pupils must compare and order a list of fractions, decimals and, percentages by converting to the same form. Questions start with ordering decimals and move to comparing well known fractions, decim