This task is about explaining how some students made mistakes on a maths problem.
In a maths test Room 6 were given this problem:
Puawai had 54 trading cards. She gave 18 to her brother.
How many trading cards does Puawai have left? |
Each student had a different way of working out the problem. Their workings are shown below:
Each student has made a mistake. For each student identify what they did wrong.