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Description
Pluses and Minuses: How Math Solves Our ProblemsA guide to changing how you think about numbers and mathematics, from the prodigy changing the way the world thinks about math. We all know math is important: we live in the age of big data, our lives are increasingly governed by algorithms, and we're constantly faced with a barrage of statistics about everything from politics to our health. But what might be less obvious is how math factors into your daily life, and what memorizing all of those
A guide to changing how you think about numbers and mathematics, from the prodigy changing the way the world thinks about math. We all know math is important: we live in the age of big data, our lives are increasingly governed by algorithms, and we're constantly faced with a barrage of statistics about everything from politics to our health. But what might be less obvious is how math factors into your daily life, and what memorizing all of those formulae in school had to do with it. Math prodigy Stefan Buijsman is beginning to change that through his pioneering research into the way we learn math. Plusses and Minuses is based in the countless ways that math is engrained in our daily lives, and shows readers how math can actually be used to make problems easier to solve. Taking readers on a journey around the world to visit societies that have developed without the use of math, and back into history to learn how and why various disciples of mathematics were invented, Buijsman shows the vital importance of math, and how a better understanding of mathematics will give us a better understanding of the world as a whole. Stefan Buijsman has become one of the most sought-after experts in math education after he completed his PhD at age 20. In Plusses and Minuses, he puts his research into practice to help anyone gain a better grasp of mathematics than they have ever had.Binding Type: Paperback
Publisher: Penguin Group
Published: 08/25/2020
ISBN: 9780143134589
Pages: 208
Weight: 0.35lbs
Size: 7.90h x 5.30w x 0.60d
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4.0 ★★★★★
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Product Reviews
★★★★★ 4
Durability Not So Good
The size is great and having squeakers in all tentacles is super for the puppy but had to sew a seam withing one week of having it. Hoping the rest stays together.
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Reviewed in the United States on August 17, 2021
★★★★★ 5
Long lasting and fun
This toy has lasted longer than other octopus toys I've bought in the past. Even if a leg or two is ripped off, it still holds on.
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Reviewed in the United States on June 5, 2025
★★★★★ 3
Awesome product, but NOT sturdy
My dog LOVED this product, but unfortunately the head came off in less than a week.
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Reviewed in the United States on January 28, 2025
★★★★★ 5
Glad this toy is back
Large soft dog toy. I have been trying to buy this item for years. It apparently was discontinued, but it finally has been replaced with an even better, more durable product.
I have two large chocolate labs and they have yet to gut it. It is reasonable durable, but I suppose a determined dog could eventually rip into it. I will definitely again.
Large grunting noise maker in the body, and small squeakers in the arms.
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Reviewed in the United States on May 12, 2023
★★★★★ 5
Fantastic octopus
Color: Blue
This toy is everything for my 15 lb schnauzer. Tons of crinkles in each of 8 legs and squeezes easily at head. He has over 75 toys and is one of his top 5 toys now. Great size not too big. Dog see blue and yellow so a plus. Rest of colors to them are shades of black, greys and to white.
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Reviewed in the United States on November 20, 2025
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