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birthdays

How Many People Share Your Birthday?
April 19th, 2022

Bedtime Math fan Paige O. asked us, how many babies are born each day? And fan Megan S. asked us, how many people share your birthday? If you think about it, they’re asking the same question in different ways – so read on to discover the math behind babies sharing birthdays!

Sweet Sixteen (Puppies)
January 18th, 2022

People usually have one baby at a time. But dogs are different: they have lots of puppies at once in a “litter”, or group of siblings. Imagine having 5 or 6 brothers and sisters who share your exact birthday. Or even 16! A German Shepherd mom just had a litter of 16 puppies at a guide dog […]

B is for Birthday
November 2nd, 2021

Today we celebrate a very important person’s birthday. Read on to find out who gets to blow out the candles and eat the (cookie) cake today, and get munching on the “monster” math!

Three Birthdays Every Day
August 22nd, 2020

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 only had to wait a few hours? Well, there’s one planet out there where this could happen! Read on to find out more about Kepler-78b, and do the math to see how often you’d get to eat cake and celebrate.

Where Every Day Is Your Birthday
July 28th, 2020

Bedtime Math fan Ben W. asked us, which planet has the longest day? Read on to find out the answer, and see where you’d get to celebrate the most birthdays!

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