In today's lesson, we are continuing to think about equivalent measurements. This time, we are looking at millimetres (m) and centimetres (cm) Did you know that there are 10 millimetres in a centimetre? When we measure in millimetres, this is one of the smallest units of measurements we can work with. Introduce today's session by using our video, completing the activities that have been set. Then, can you complete one of the challenges from below?