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Let's Fly a Kite (MathStart 2)
ISBN 0060280344 / 9780060280345 / 0-06-028034-4
› Find signed collectible books: 'Let's Fly a Kite (MathStart 2)'
It's not fair!
That's what Bob and Hannah shout whenever they have to share anything. If the two halves of the sandwich or the two sides of the car seat aren't exactly the same size and shape--watch out!
But when these two squabbling siblings try to fly a kite, they learn that some things can't be split to be shared--and they learn something about the math concept of symmetry too.[via]