Books with author Raymond Blum

"Gr. 4-7...a collection of coin and card tricks, mathematical games, geometric puzzlers, brain teasers, and calculator riddles sure to intrigue children who enjoy math. Even kids who don't shine in math class may find the games and cartoon illustrations appealing. Some of the tricks will seem like magic, until the child plays around with them long enough for the principle to sink in....A good resource for teachers looking for original approaches to math and for children who like magic tricks and mental puzzlers."--Booklist. 128 pages, 155 b/w illus., 5 3/8 x 8 1/4.

Math will never be the same again-and you'll love it! Fun tricks, calculator conundrums, brainteasters and other numerical hoaxes will challenge every inch of your brain in the most satisfying way. There are even riddles to get you giggling. Amaze your friends with your psychic powers when you predict the outcome of the "7-11" card trick. Figure out how to cut a pepperoni pizza using only 3 straight lines-and still have a piece of pepperoni on each slice. Solve a series of pencil puzzles...without ever lifting the pencil from the paper. Build a house with 11 toothpicks; then move just one to make the building face the opposite direction. Comical illustrations add to the enjoyment. So sharpen a pencil, get a piece of paper, and start on these mathematical mysteries right away!

Math can be magic! These tricks, puzzles, memory tests, and other experiments will get you started. All you need is a pencil, a piece of paper, and a few supplies handy around the house. Guess you friend's secret number. Balancing Act shows how you draw half a painting, and the paper creates the other half. Cricket Thermometer tells the correct time by counting the number of times a cricket chirps in 15 seconds. Or try the dozens of other fun challenges. Draw special straight lines that turn into circles. Get you Favorite Number to show up on a calculator every time. Try Zooming - taking a favorite cartoon and enlarging it with just a pencil and paper. Grab this book and you'll be ready to havefun with numbers.

This enormous volume of maths puzzles will test how sharp readers are with numbers and provide hours of fun. There are mind bogglers of every type - from amazing 'magic' number tricks to beautiful geometric designs - and plenty of them too! This starts with puzzles that are fairly easy and builds up to ones that are really challenging. Tricks and hints provide help along the way that will make the reader look like a whiz!