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tags: estimation

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tags: estimation
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Civil rights marches, how do you count a crowd?
Number Sense Geometry Math and Social Studies Holidays and Annual Events
  On October 16, 1995, perhaps a million black men gathered for the Million Man March on Washington.  This was 32 years after Martin Luther King, Jr. gave his histo...
Data and Probability estimation reasoning Martin Luther King Jr. Civil Rights MLK MP.4 6th 7th 8th HS 5th 4th 7.G.B 6.G.A 7.RP.A HSM 4.MD.A HSG.MG.A.2 Million Man March crowd counting

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...
Fractions division estimation 5.NBT 7.G 5.NF 6th 7th multiplication 3.G 4.NF.B food circle area

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...
Data and Probability Halloween estimation reasoning 5.NBT.7 7.EE.3 6.NS.3 MP1 MP2 MP3 6th 7th 8th 5th MP4

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?  ...
estimation Volume 6.RP.3 7.G.1 reasoning 6.G.1 7.G.6 MP1 MP2 MP3 MP7 6th 7th 5th 4th 5.MD.5 4.MD.3 4.OA.3 4.NBT.5 MP6 6.G.2 3-act task 5.MD.3

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...
Unit rate estimation environment 6.EE.9 6.RP.3 rates 5.NBT.7 6.EE.1 6.NS.3 8.EE.8 Earth day 6th 7th 8th HS 5th 5.NBT.3 HSF.IF.C.7.B HSA.REI.C.6 climate change slope linear relationships

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 ...
Data and Probability proportion ratio percent Unit rate estimation Volume 5.MD 6.RP 6.G 7.RP 7.G 6th 7th 5th St. Patrick's Day

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 ...
percent data analysis estimation food nutrition 6.RP 6.SP 7.SP 6th 7th 5th St. Patrick's Day

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...
estimation Pythagorean Theorem 6.RP 7.G right triangles 8.G 6th 7th 8th HS

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...
ratio estimation Volume cone cylinder 8.G.9 coffee HSG-MG.1 7th 8th HS HSG.GMD.3 Frustum

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...
Data and Probability problem solving Unit rate data analysis estimation average 6.RP.3 7.NS.3 5.NBT.5 4.OA.4 6.NS.2 6th 7th 5th 4th 3-act task
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