Free One Minute Mysteries: 65 Short Mysteries You Solve With Math! Ebooks Online
Crack open this book to sharpen your logic and reasoning skills. These literature-based math mysteries take just one minute to read. The brainteasers are entertaining, but even better, their real-world connections help kids see math concepts and quandaries as approachable, learnable and solvable. A fun way to develop deductive reasoning skills and discover the joys of math!
Series: One Minute Mysteries
Paperback: 192 pages
Publisher: Science, Naturally!; 1 edition (March 16, 2010)
Language: English
ISBN-10: 0967802008
ISBN-13: 978-0967802008
Product Dimensions: 5.6 x 0.4 x 8.7 inches
Shipping Weight: 9.6 ounces (View shipping rates and policies)
Average Customer Review: 4.5 out of 5 stars See all reviews (30 customer reviews)
Best Sellers Rank: #26,241 in Books (See Top 100 in Books) #52 in Books > Children's Books > Education & Reference > Math > Arithmetic #236 in Books > Children's Books > Activities, Crafts & Games > Games #380 in Books > Humor & Entertainment > Puzzles & Games
Age Range: 10 - 14 years
Grade Level: 5 - 9
I was excited to check this book out of the library for my 9.5 year old son. He is in 4th grade and is in accelerated math and doing well. That being said, he does not, by any means love math (as I do). I am always looking for creative ways to get him to appreciate the beauty of math, to have fun with it, to see the puzzles and logic inherent in it. We loved "Games for Math" by Peggy Kaye when he was a little younger, the Code Breakers books (essentially algebra) by Mindware, the Perplexors by Mindware, etc. So I had high hopes for this. I thumbed through it, reading several of the mysteries to see if it would be something I could give him to do on his own or something that I should work through with him and was disappointed to see that it seemed much too advanced for him. He is only 3 months shy of the recommended age range, has a math loving mom who engages him in math activities at home, and is in accelerated math at school, but I didn't feel like he'd be able to do much of it completely on his own. I was hoping for problems he could solve using mental math - envisioning the way the numbers work in his head, understanding number properties, using logic and reasoning. Instead, the first puzzle requires him to calculate miles per hour using mile markers 148 and 64 and the times 12:13pm and 1:33pm. While I can work that out in my head, I'm sure he'd have to write it out to get the miles of 84 and the time 80 minutes and then he'd probably do the actual long division which he wouldn't actually NEED to do to be able to answer the question: were they speeding if the speed limit was 55 mph ? So I know that I will do it with him, so I can show him the simplicity in reasoning it out at that stage (How many miles could you go in 80 minutes if you're going 60 miles per hour ?
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