Lego Fireman +
At the Toys R Us store, we saw an amazing LEGO creation. He was a life-sized LEGO fireman with a walkie-talkie, an oxygen tank and even an oxygen...
Number Sense
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Grade
How many gumballs are there?
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 w...
Largest coffee, new world record
The world record for the largest cup of coffee was recently set (see picture above). In this activity students explore scale, similar figures, volume and measurement as they estimate the...
Is this possible?
Brian Shoemaker, a Newton, MA mathematics teacher, saw this Dunkin Donuts Mazda traveling down the road.
He wondered if that size coffee cup could really have coffee in it. &nbs...
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