8c717dd5_racy_Lesson____nrich_maths_org__4
[0] Model [1] Speaking aloud the process of where to put data. Discussing the reasoning process. [2] Play and pause with explanation of the process and questioning to challenge and extend pupil thinking about the subtraction model of difference. [3] Explore the way that division can be represented as a grouping or a sharing model and how this affects the way that we divide out our items on the IWB. Consider the number sentence that relates to each diagram. [4] 
Discuss what the machine does and how we know to predict the outcome given the input and function. Consider what happens if we have the output and function given. What reasoning can we apply to find the input? How many examples of input and output do we need if we are to predict the function?
What Does it Mean to &#8220;use the Interactive Whiteboard&#8221; in the Daily Numeracy Lesson? : nrich.maths.org