Today we have 2 tasks. We are going to explore ‘efficiency’ today. It’s really important that we remember efficiency can be a personal thing as it depends on our knowledge, confidence and the problem we are solving. Mathematicians know it takes a long time to become confident users of efficient strategies so remember – it’s ok if you’re still learning! As mathematicians, we all have opportunities to grow our brains.

Resources –pencils, device to view videos, paper scissors, Concentration – constant difference cards