Adding and subtracting
By: Eon Harper, Joyce Harris, Richard Strong ; cover and drawings by Scoular Anderson.
Contributors: Harris, Joyce, 1924-; Strong, Richard.
Series: Maths minipacks -- 6
Publisher: Addison-Wesley
Published: 1976
Place of publication: London
Language: eng
Number of pages: 17
Subjects: Fractions, Decimal -- Problems, exercises, etc.; Addition -- Problems, exercises, etc.; Subtraction -- Problems, exercises, etc.
Notes: With answers to coloured questions. - One answer sheet, with answers to all the questions, as insert to each pack of 5 books.