This best-selling dictionary which contains over 650 up-to-date words & concepts. Each entry is in alphabetical order & along with a clear & straightforward definition has a fun & informative colour illustration or diagram to help explain the meaning. Cross references link to other useful words in this dictionary so it is easy to build up maths vocabulary quickly. The colourful modern design & simple layout make it easy to find the word you need & fully understand it. This is an essential & invaluable tool that demystifies maths & explains terminology & concepts in an accessible way for primary children.