The tacklingadd&subtract Student Set mental maths cards game is a fun, play-based way to help children ages 5+ build confidence and mental agility in maths. Developed to support the National Curriculum Objectives for Years 1-4, this set has 84 colour-coded playing cards (42 purple and 42 yellow). Children will master number bonds and develop confidence and speed in tackling mental and written calculations. The Student Set has 1 set of 84 cards and is ideal for use in the classroom or at home. Measures 15cm W x 20cm L. Check out tacklingtables Student Set, the fun way to build times tables fluency! Also available in a Class Set for schools.