Adding & subtracting
Subtitle: hundreds of sums carefully selected and graded to give extra practice to children of all ages
By: K.A. Hesse.
Series: Basic arithmetic practice -- 1
Publisher: Longman
Published: 1981
Place of publication: Harlow
Language: eng
Number of pages: 32
Subjects: Addition -- Problems, exercises, etc.; Subtraction -- Problems, exercises, etc.