Not only are these puzzles fun but KenKen helps children improve concentration, logic and arithmetic skills. Children ages 9-12 have excelled in math and gained real-life problem solving skills all from playing a puzzle so engaging that it keeps them coming back for more.
This third volume of I Can KenKen features:
. 75 easy addition and subtraction puzzles
. Introduction and how to solve instructions from Marilyn Burns
. "Home and Classroom Guide for Parents and Teachers" by Ms. Burns
. Forward by Will Shortz
Tetsuya Miyamoto and KenKen Puzzle; Introduction by Marilyn Burns; Foreword by Will Shortz