The Swiss Family Robinson tells of the adventures of a family that is shipwrecked on an uninhabited island. The story was made up more than 180 years ago by a real Swiss family. They imagined they…
> Look up during a snowstorm. Watch the snowflakes come spinning down > out of the sky. You can see that snowflakes aren’t drops, like rain; > or lumps, like hail; or tiny beads, like sleet. They…
When you see the number \| you know that it’s a fraction. It means one-half of something. But what does 0.5 mean? The number 0.5 is a fraction, too. And it, too, means one-half! How is this…
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