Developing number sense is the first step for children to feeling comfortable with math and everyday calculation, and also the path to developing a fondness for numbers and a flexibility when working with them. When children learn the names of numbers, what composes them, what they mean, how to use them, and how to apply them to real-world referents, it makes the children feel comfortable and confident and both eager and able to engage with math. Having number sense allows children to have flexibility with numbers. It allows them a confidence when working with numbers and a capability to make well judged estimates. I have based the Number Agents approach on this awareness and understanding. I believe it is crucial that the 'professional development' presented to the agents takes the form of activities that allow children to do this. I have developed some key elements within my programme that have a visual component, these work exceptionally well fo...