This resource is suitable for 1st/2nd classes or for SEN pupils at the beginning of work on number. It is based on addition sentences to Make 20. It consists of numeral and maths sign cards to enable pupils to construct maths sentences to make 20. eg. 12 + 8 = 20; 19 + 1 = 20 etc. It has all the numbers and signs to make twenty-one addition sentences. It also has a heading “Make 20″/”Déan 20″.