This engaging Year 5 Using Relative Clauses Varied Fluency worksheet has a range of questions to support the learning of relative clauses. It has been differentiated three ways to meet all your children's needs and there is an answer sheet for each level.
You could begin by using our Year 5 Using Relative Clauses modelling PowerPoint to go through similar questions and modelled answers first and then give your children the appropriate level of this worksheet to complete independently.