Overview / 简介:
|Zero. Zip. Zilch. Nada. That’s what all the other numbers think of Zero. He doesn’t add anything in addition. He’s of no use in division. And don’t even ask what he does in multiplication. (Hint: Poof!) But Zero knows he’s worth a lot, and when the other numbers get into trouble, he swoops in to prove that his talents are innumerable.|
From Organization / 国外机构评价:
|From the Author
Zero the Hero grew out of a visit I made to a classroom. The teacher was using the Zero the Hero concept to teach place-holding to her students. In other words, Zero is a hero because he enables us to count beyond the number nine. Without him, we'd be like the ancient Romans, unable to do much in the way of math.
I immediately visualized Zero as an underdog math superhero, complete with cape. But it took me years to actually finish writing this book about him. Lucky thing, because the timing was perfect. The manuscript hit my editor's desk just as she was working with a wonderful, bestselling artist named Tom Lichtenheld, who agreed to illustrate it.
Zero the Hero subtly teaches place-holding and arithmetic operations like addition and subtraction. It touches on stuff like rounding up and down, even and odd numbers--and the fact that the number eight looks like a snowman. But all of that is secondary. I just hope it's a fun story that you and your family or students enjoy!|
Foreign Customer Review / 国外客户评价:
This is a fun story; kids love it.
The book works for how adding zero gets you the original number; subtracting zero gets you the original number, and dividing by zero is impossible. However, multiplying by zero gets you ZERO! ANd then all the friends shun him. And then Roman Numerals come take the numbers captive.
But the REAL value of zero is not in multiplication; it is in zero as a placeholder. Not enough of that.|
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