I've got an obs this week and I'm really stressed about it. One of my areas of development is to show that the children have made progress by the end of the lesson - my head didn't think I pushed them enough last time. The children range from level 3b to 4a. I asked the deputy head for advice and he said to plan the lesson on something they have never done before so are bound to show progress, he suggested equations. Has anyone got any advice or ideas as I'm panicking already and that means I just go round in circles. Any responses would be appreciated.