ISBN-13: 9781872686219 / Angielski / Miękka / 1996 / 64 str.
One of five textbooks for use in school and at home. Each left-hand page shows methods with worked examples. The corresponding right-hand page gives questions for the student to try. Topics covered include: decimal columns; addition, subtraction, multiplication and division of decimals, including money; vulgar fractions; addition, subtraction, multiplication and division of vulgar fractions; conversion between decimals and vulgar fractions; and percentage.