It's true--playing with numbers can raise your I.Q., and help you think more clearly. And, these 100 examples are among the best. Find the shortcut for adding 2, 3, and 4 to form 6 different 3-digit numbers. Or, try this: What is the smallest number that when multiplied by 3 gives an answer consisting of all 4's? Other braintwisters involve flipping coins, burning candles, and taking apart a Rubik's cube in your head. T hey're all fun. "A puzzle book for a large audience....People who enjoy mathematical puzzles, but are ...
Read More
It's true--playing with numbers can raise your I.Q., and help you think more clearly. And, these 100 examples are among the best. Find the shortcut for adding 2, 3, and 4 to form 6 different 3-digit numbers. Or, try this: What is the smallest number that when multiplied by 3 gives an answer consisting of all 4's? Other braintwisters involve flipping coins, burning candles, and taking apart a Rubik's cube in your head. T hey're all fun. "A puzzle book for a large audience....People who enjoy mathematical puzzles, but are stumped by puzzles at the level of Mensa, will find this book much more manageable."--"Science Books & Film."
Read Less
Add this copy of Math Puzzles for the Clever Mind to cart. $12.09, good condition, Sold by Zoom Books East rated 4.0 out of 5 stars, ships from Glendale Heights, IL, UNITED STATES, published 2013 by Puzzlewright.
Choose your shipping method in Checkout. Costs may vary based on destination.
Seller's Description:
Book is in very good condition and may include minimal underlining highlighting. The book can also include From the library of labels. May not contain miscellaneous items toys dvds etc. We offer 100% money back guarantee and 24 7 customer service.
Add this copy of Math Puzzles for the Clever Mind to cart. $12.82, fair condition, Sold by ThriftBooks-Reno rated 5.0 out of 5 stars, ships from Reno, NV, UNITED STATES, published 2013 by Puzzlewright.
Add this copy of Math Puzzles for the Clever Mind to cart. $12.88, very good condition, Sold by ThriftBooks-Atlanta rated 5.0 out of 5 stars, ships from Austell, GA, UNITED STATES, published 2013 by Puzzlewright.
Add this copy of Math Puzzles for the Clever Mind to cart. $13.56, good condition, Sold by Once Upon A Time Books rated 4.0 out of 5 stars, ships from Tontitown, AR, UNITED STATES, published 2013 by Puzzlewright.
Choose your shipping method in Checkout. Costs may vary based on destination.
Seller's Description:
This is a used book in good condition and may show some signs of use or wear. This is a used book in good condition and may show some signs of use or wear.
Add this copy of Math Puzzles for the Clever Mind to cart. $16.79, very good condition, Sold by Goodwill of Silicon Valley rated 5.0 out of 5 stars, ships from San Jose, CA, UNITED STATES, published 2013 by Puzzlewright.
Choose your shipping method in Checkout. Costs may vary based on destination.
Seller's Description:
Supports Goodwill of Silicon Valley job training programs. The cover and pages are in very good condition! The cover and any other included accessories are also in very good condition showing some minor use. The spine is straight there are no rips tears or creases on the cover or the pages.
Add this copy of Math Puzzles for the Clever Mind to cart. $32.00, fair condition, Sold by ThriftBooks-Reno rated 5.0 out of 5 stars, ships from Reno, NV, UNITED STATES, published 2006 by Orient Paperbacks.
Add this copy of Math Puzzles for the Clever Mind to cart. $44.65, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Santa Clarita, CA, UNITED STATES, published 2013 by Puzzlewright.
Add this copy of Math Puzzles for the Clever Mind to cart. $104.21, new condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Santa Clarita, CA, UNITED STATES, published 2013 by Puzzlewright.