These one-step and two-step problems will help your children develop their understanding of the key terms (and concepts) of 'altogether' and 'how many?'. Based on a question from the 2017 key stage one SATs, this KS1 Reasoning How Many? Test Practice pack has been differentiated three ways to allow access and challenge across the classroom. Each resource is made up of 12 questions and an answer sheet has been provided to save you time.