### Number Sense

We found 5 post available for you

#### 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...

#### 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...

#### Collecting the most candy

Use your student’s Halloween enthusiasm to do a study on volumes.  We’ve created an activity that asks students to calculate the volume of candy containers that are silly and intriguing. ...

#### 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...