The bar model is a valuable tool which helps children recognise what the question is asking them to do. It is not a calculation strategy and as such does not replace column addition or subtraction but goes alongside to add clarity. The key language is the whole and the parts and to reinforce that we subtract from the whole to find parts and add parts together to find the whole.
Please find attached the PowerPoint for the workshop last night. We hope to provide another opportunity in the summer term with a focus on multiplication and division.
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