This title features: excellent and invaluable reference guide packed with a wealth of useful information; mathematical symbols, terms, formulas and rules; multiplication and division facts; fractions, decimals and percentages; measurement, space, shape and data handling; language section that includes spelling rules, root words, acronyms, prefixes, suffixes, homonyms, contractions, parts of speech, language terms, collective nouns and punctuation; maps, geographical information and more.