Math Puzzles and Brainteasers Grades 3–5 – Over 300 Puzzles that Teach Math and Problem–Solving Skills Math Puzzles and Brainteasers Autor T Stickels 10 sep 2009 Paperback Preț: 143.19 lei 3-5 săpt.
Math Puzzles and Brainteasers, Grades 6–8: Over 300 Puzzles that Teach Math and Problem–Solving Skills Math Puzzles and Brainteasers Autor Terry Stickels 10 sep 2009 Paperback Preț: 143.19 lei 3-5 săpt.