Activities about estimation

In 2017, Old Dominion Freight Line offered 2 free tickets to the next 3 World Series to the person who guesses closest to "How many baseballs are in...

Sunrise on the summer solstice at Stonehenge June 21st, at 10:57 am EDT, the Earth's North Pole will be tilted as far towards the Sun as it will...

Beaches are starting to open again. Bring summertime smiles and hopes to your class with this activity. Towel project by Misael Soto. Act One: Check out this beach...

March Madness, the big 68 team college basketball tournament, will now take over our TV viewing during the weekends of March. School and office friends are filling out...

This year, Buffalo, New York, has had more than 100 inches of snow this winter. We imagine that the height of the tunnel to people's homes is getting...

On January 4th, 2023, Earth will be as close as it gets to the Sun during its orbit. Shouldn't that make this the warmest time of the year?...

Check out our Christmas Tree! We need to buy lights for the tree. Without calculating, guess how many feet of lights we will need. What information would help...

In this problem based activity students first guess and then try to calculate whether they will have enough paper to wrap this present without taping pieces of wrapping...

 The harvest must be nearing completion now and growers are selling their product to make cranberry juice, jelly, sauce, and of course, fresh berries in time for...

Gumball Machine Problem from Brian Marks on Vimeo This problem is a little puzzle to get your students thinking, estimating, and calculating. We've given you a pdf file...

I have to go to the bathroom pretty badly. I have to admit that I have been holding it in for a while. Finally! I see a bathroom...

A newly released nutritional and environmentally sustainable study shows that eating just one hot dog can take 36 minutes off your total healthy lifespan. How many would you...