tags: estimation

tags: estimation
We found 53 post available for you

What's wrong with this picture?

Number Sense Geometry Math and Food
We've gotten used to believing what we read or see advertised.  But sometimes the clerk doesn't get the sales discount right or something seems a little off. Let students ponder this store me...

$10,000 a week or $10 million all at once?

Algebra Number Sense Math and Social Studies Ratio and Proportion Wow factor
This activity is accessible to student elementary through high school with varying depth of study. Would you rather have $10,000 a week or $10 million all at once? What kinds of things do we nee...

Cheap-otle?

Number Sense Math and Social Studies Math and Food
mage from Chipotle. One of my favorite foods is a burrito.  One of my favorite places to get a burrito is Chipotle. Their food is delicious and environmentally friendly. For Hallow...

How Many Donuts is That?

Number Sense Geometry Math and Food Holidays and Annual Events 3-act tasks Data and probability Wow factor
Act One:  Take a look at the first picture (Krispy-Kreme-photos). What is the first question that comes to mind? How many donuts is that?  What information would be useful?  ...

Cost of light bulbs - updated!

Algebra Number Sense Math and Science Math and Social Studies Ratio and Proportion Data and probability
There's a lot of misinformation out there about the cost to consumers of CFL and LED bulbs and the savings in energy and money that could be realized. Let your students "do the math" and realiz...

Green, green river

Algebra Number Sense Holidays and Annual Events Ratio and Proportion
During the St. Patrick's Day parade in Chicago, the local plumbers union dyes the Chicago River emerald green. Students learn what PPM (parts per million) means and  attempt to figure ...

Shamrock Shake

Number Sense Math and Science Math and Food Holidays and Annual Events
For Saint Patrick's Day add a little nutrition math to your celebration.  In this post we look at calories, carbohydrates, sugars, fats, and proteins to decide what would be left for our day's ...

Ladder figuring

Algebra Number Sense Geometry
   Brian can't even go to his town's spring festival without seeing math. Let your class approximate the height or length of this ladder by using the relative size of the cars or the p...

Is this possible?

Algebra Number Sense Geometry Math and Food
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...

The tallest structure made of Legos

Number Sense Math and Social Studies Math and Art Ratio and Proportion 3-act tasks Data and probability
Act One: The world record for the tallest structure made of Legos was set in Seoul, South Korea.  Check out this video on youtube! What other questions do you have? Act T...
Display 41 - 50 Of total 53