Practise adding and subtracting in the context of measures when you download this Year 3 Add and Subtract Capacity and Volume differentiated Homework resource.
With two varied fluency and one reasoning question to have a go at, children can use and apply their knowledge of adding and subtracting in the context of capacity and volume to a range of question types.
Although suitable for use at home, this resource could be given as an extension task in class. The choice is entirely yours!