Cryptic Cross Numbers: Cross Number Puzzles with a High Degree of Problem Solving

ISBN-13: 9781899618781 / Angielski / Miękka / 2006 / 66 str.

John Enock

Opis

Extending the principle of cross numbers, these puzzles aim at those of above average mathematical ability, particularly those who enjoy games of strategy. Written from a classroom perspective, the puzzles focus on key aspects of the curriculum and are graded according to difficulty. Solved deductively, the puzzles difficulty can be moderated by using hints provided.
Answers are also provided for teacher or selfmarking.