Instructor's resource book and answer key [to] Problem solving strategies crossing the river with dogs and other mathematical adventures di Johnson, Ken

Problem solving strategies crossing the river with dogs and other mathematical adventures di Johnson, Ken

Problem solving strategies crossing the river with dogs : and other mathematical adventures di Johnson, Ken

Problem solving strategies crossing the river with dogs and other mathematical adventures di Herr, Ted

Problem solving strategies teacher's resource book and answer key di Herr, Ted

Problem solving strategies crossing the river with dogs : and other mathematical adventures di Herr, Ted 1955-