Huge collection of tantalizing logic puzzles offers hints when you're stuck, plus step-by-step solutions, imaginatively teaching problem-solving skills. "Will challenge and delight."--Mathematics Teacher. "Fun for puzzle fans of all ages."--Booklist. 256 pages, b/w illus. throughout, 5 3/8 x 7 3/4.

A smart way to teach children to think logically and creatively One of the most precious gifts you can offer a child is a sharp mind. The 56 puzzles in this delightful collection were passed down through generations of Chinese families who wanted their children to develop concentration and mental agility. Baifang spent hours enjoying them with her family and friends as she was growing up in the north of China. Now living in San Francisco, Baifang is passing them on to her own children and to families everywhere. Each puzzle inspires clear, precise, and inventive thinking. Some teach math concepts; others involve spatial relationships and visualization. All of them have fascinating solutions and help improve memory and problem-solving skills. An inexhaustible source of challenging fun, these are mental calisthenics for stimulating interaction between lively minds from ages 8 to 80.

Challenge students to use their critical and creative thinking skills to solve puzzles, riddles, mazes, and more. The activities supplement all areas of the curriculum including language arts, social studies, science, math, and physical education.

Challenge students to use their critical and creative thinking skills to solve puzzles, riddles, mazes, and more. The activities supplement all areas of the curriculum including language arts, social studies, science, math, and physical education.

Challenge students to use their critical and creative thinking skills to solve puzzles, riddles, mazes, and more. The activities supplement all areas of the curriculum including language arts, social studies, science, math, and physical education.

Challenge students to use their critical and creative thinking skills to solve puzzles, riddles, mazes, and more. The activities supplement all areas of the curriculum including language arts, social studies, science, math, and physical education.

Try any of these 150 word, number, and logic puzzles, and you'll encounter some surprising new ways to analyze, observe, and decide. You've been warned, so don't get frustrated when you feel yourself getting pushed out of the ruts of your usual problem-solving skills. Try these sample warmup exercises: 1. If Molly's daughter is my daughter's mother, what am I to Molly? 2. Which is larger, one-third times one-third of a dozen dozen, or one-third dozen halved and cubed? 3. How old is the man who told his friend, "Four years from now I'll be twice as old as I was fourteen years ago"? Answers: 1. I am Molly's daughter. 2. The first calculation is larger. 3. He's 32 years old.