Chock full of entertaining mathematical ideas, puzzles, tricks, and word problems, this book proves that everyone can be a math whiz. "Students can't help but grow in mathematical skills and positive attitudes."--School Library Journal.

Board of Directors, NCTM Imagine handing students state-by-state data on the number of gallons of soft drinks sold per person in one year. Imagine using it to lead a vibrant problem-solving session in which students energetically pose and answer mathematical questions:
Why does it say sold instead of consumed?
What IS a soft drink? Is it the same as soda?
Who would collect this kind of data? Why would they collect it?

original problems in math and logic, featuring permutations, combinations, properties of numbers, algebra, solid and plane geometry, logic and probability. Although only high school math is needed to solve these problems, even accomplished mathematicians are likely to find some surprises here. Complete and ingenious solutions provided for all problems. 31 explanatory drawings.

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puzzlea, math, logic, mathematics, algebra, geometry

Whether you're looking for an elementary school math program, powerful intervention, or special resources to meet the diverse learning needs in your classroom, Houghton Mifflin Math really delivers. This dynamic, research-based mathematics materials provide comprehensive support to ensure math achievement, a strong focus on skill building, problem solving, and concepts mastery for every level of learning, and plenty of practice for every day mathematics and test-taking success.

Many useful procedures explained and taught: two-column addition, left-to-right subtraction, direct multiplication by numbers greater than 12, mental division of large numbers, more. Also numerous helpful short cuts. More than 8,000 problems, with solutions.
 I gave it a five star simply because the books is simple and very effective at getting you to learn the "art" of quick calculation.
I looked at all the others in that field. Most of them teach you tricks for quick calculation. To do certain calculation you need to remember the tricks. There are dozen of them and you just get confused. This book do not used trick but teach you "number sense" ... and how to calculate from left to right with complex number. Beleive me, I was affraid of that kind of calculation and with that book I learned a lot

Rizzoni provides a solid overview of the electrical engineering discipline that is especially geared toward the many non-electrical engineering students who take this course. The hallmark feature of the text is its liberal use of practical applications to illustrate important principles. The applications come from every field of engineering and feature exciting technologies such as Ohio State's world-record setting electric car.