### Counting the Stars

When it’s really clear at night and there aren’t a lot of lights around, you can look up at the sky and see lots and

When it’s really clear at night and there aren’t a lot of lights around, you can look up at the sky and see lots and

Of course rockets are fast – or are they? Do they go as fast on the ground as they do in air? Or would you

When we look at the stars in the night sky, we see that our planet Earth isn’t the only ball of rock whizzing through space.

On this very day 45 years ago, men walked on the moon for the first time. Even though they walked around for only 2 1/2

We’ve all seen photos of Earth: the blue parts are water, the green and brown parts are land, and clouds show up as white swirls.

Bedtime Math fan Quinn F. asked us, how many stairs would you need to walk to the Moon? Read on to find out, and step

Bedtime Math fan Evy H. asked us, how much does the Sun weigh? Read on to find out, and weigh in on the math in

We have to wait a whole 365 days for our birthdays to come around again. But what if we lived on a planet where we

Bedtime Math fan Chloe H. asked us a great question: how many times could you fly around the world in a spaceship in one day?

Add to a 2-Digit Number
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Work with Multiples of 10
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Add Multiple 2-Digit Numbers
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