Entre Amigos / Among Friends (La Otra Escalera / the Other Stair) (Spanish Edition) [Spanish]

By Monica Genis Chimal

Prime numbers, perfect numbers, even numbers and amicable numbers: friendships between numbers has never been this interesting. In introducing the qualities of several numerical figures to children, this book seeks to generate interest in and curiosity for mathematics and to show the playful quality of numbers.

• Format: Paperback
• Language: Spanish
• ISBN: 9685920656
• ISBN13: 9789685920650
• Release Date: June 2006
• Publisher: Ediciones Castillo S.A. De C.V.
• Length: 24 Pages
• Weight: 0.35 lbs.
• Dimensions: 10.0" x 0.3" x 10.0"
• Age Range: 7 to 9 years
• Grade Range: Grades 2 to 4