Have you ever wondered how many steps you take in a day? The answer isn’t obvious. You might be running all over a soccer field for an hour, then sitting and eating a snack the next. And you’re going to sit around more on a rainy day than a sunny one. But even with all that, scientists have found that healthy kids take about 9,000 steps a day. So what does that come to in a year — or your whole life so far? That’s where math can help!

*Wee ones:* If you step with your left foot, then your right foot, then your left, then your right…how many steps have you taken?

*Little kids:* If you took 9 thousand steps yesterday and 7 thousand today, on which day did you take more? *Bonus:* If you take 2,000 steps each day, how many do you take in 5 weekdays? Add up the thousands!

*Big kids: *If you take a whole 10,000 steps a day, how many does that come to in 1 365-day year? (*Hint if needed:* As a first step, what if you took just 1,000 steps per day?) *Bonus:* Now figure out about how many steps you’ve taken in your life! You can round off to years or half-years to estimate. And remember, you don’t start walking at birth!

Answers:

*Wee ones:* 4 steps.

*Little kids:* You took more steps yesterday. *Bonus:* 10,000 steps.

*Big kids: *3,650,000, which is more than 3 million! *Bonus:* Different for everyone…you can round to 3 million or 4 million per year, then multiply by your age minus 1 or 2 since most kids start walking around age 1, and don’t walk very far those first couple of years.