Give this Y1 Spacing Letters and Words Differentiated Worksheet a try. With two varied fluency and one reasoning question, children are required to identify where correctly sized spaces and correct letter sizes have been used and to explain the errors they can see in a given sentence.

This worksheet could be used in class as an intervention after the lesson to address any misconceptions. It could also be sent home to embed children's learning. To make marking more efficient an answer sheet is provided for each level of differentiation.