100 numerical games

By Pierre Berloquin

Book Overview

Follow the hour hand and minute hand of a clock for 24 hours. How many times do they form a right angle?Timothy's house has several rooms, each of which has an even number of doors, including doors... This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 1566194725
• ISBN13: 9781566194723
• Release Date: January 1994
• Publisher: Barnes Noble
• Length: 152 Pages
• Weight: 0.60 lbs.