An engaging Year 1 Doubling to 20 Reasoning and Problem Solving resource that contains a mixture of reasoning and problem-solving questions. Children will use pictorial representations to help them spot mistakes in calculations, as well as working out which number has been doubled by following a set of clues. This worksheet also includes two word problems which allow children to apply their skills to real-life contexts.

These questions are an ideal opportunity for children to self-mark by using practical resources to help them their check answers.