Early challengers.
By: Susan E. Sanders.
Contributors: Nuffield Mathematics Project.; Nuffield Maths 5-11 (Project)
Publisher: Longman Group UK
Published: 1990
Place of publication: Harlow, Essex
Language: eng
Number of pages: 34
Subjects: Mathematics -- Problems, exercises, etc.; Mathematics -- Study and teaching (Primary)
Notes: At head of title: Nuffield Maths.

On cover: Nuffield Maths 5-11.

"With photocopiable worksheets"

"For teachers of children in the first years of shooling."