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Tags: HSG-MG.1, electoral college, 6.MD, Business, systems of inequality,
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Snow Days
Algebra Math and Science
Here is a picture  from a recent snowfall at my house.  How Much Snow Did I Get?  Have students make an estimate.  Ask them for a guess that is probably a little to...
slope graph rate winter snow 8.F.B.5 HSF-IF.B.6 HSS-ID.B.6 HSF-LE.A.2 8.SP 7th 8th weather data analysis

Voyager on the edge
Algebra Number Sense Math and Science Ratio and Proportion
The two Voyager space probes are in the news recently as they approach the edge of our solar system.  Scientist can tell that the Voyager's environments are changing.  They are receiving m...
Data and Probability proportion Fractions Unit rate rates 6.RP 7.RP 8.EE 6th 7th 8th 5th 4th 4.MD.C 5.MD.A astronomy 7.RP.3 unit conversion

Happy 14th B'ak'tun!
Number Sense Math and Science Math and Social Studies
Luckily, we’ve passed 12/21/2012 and the world is still here and we’ve made it into the start of the next Mayan calendar cycle ... the next B’ak’tun. The ancient Mayans had an interesting...
5.NBT 6.NS 8.EE 6th 7th 8th HS 5th 4th 4.NF HSN-RN history weather extremes LCM

How many movies can you see in one day?
Number Sense
Robert Kaplinsky at robertkaplinsky.com shared this lesson idea with Yummymath. With plenty of days off from school coming up you plan to spend a day at the movie theater.  You want to s...
Data and Probability time scheduling MP.3 3.MD.1 4.MD.2 6th 5th 3rd 4th

Twinkies
Number Sense Geometry Math and Science Math and Food Ratio and Proportion
Brian loves Twinkies and the news that Hostess is going out of business has upset him terribly.  He needs his Twinkies.  Twinkies last forever.  Right?  He's going ...
Data and Probability percents Unit rate area nutrition rates mark up 6.RP 7.RP 5.NF 6th 7th 5th 7.G.B food

The Fiscal Cliff - sounds scary
Number Sense Math and Social Studies
We've used a graphic to help students understand what is meant by the Fiscal Cliff.  Students will understand some of the terms and study the consequences of two upcoming scenarios.   The...
Data and Probability percents reading graphs fiscal cliff budget deficit debt 7.SP 8.SP HSF-IF 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

Starbucks sales (Updated!)
Number Sense Math and Food Ratio and Proportion Data and probability
Time to give students some authentic math on a topic they will surely be interested in ... Starbucks!  We ask and answer a few questions in this activity. About h...
proportion percent Starbucks Data 6.RP.3 6.SP.5 7.RP.3 7.SP.1 6th 7th 8th HS 7EE.3

Curiosity landed on Mars
Algebra Number Sense Math and Science
Keep your students up on what's happening in space while analyzing Curiosity the Mars Rover's speed, the speed of a radio transmission from Mars, and the deceleration involved in a "sky crane" lan...
Data and Probability ratio conversion rate 6.RP.3 deceleration 5.MD 7.RP 5.NF 6.NS.1 6th 7th 8th 5th

What time is it in Cambodia?
Algebra Number Sense Geometry Math and Science
I need help!  My daughter is traveling in Cambodia and we are supposed to Skype just before her dinner time in Phnom Penh, Cambodia.  What time is that here in Boston?Let you students ...
Data and Probability time mean time zones International date line prime meridian Zulu time UTC GMT 6.EE 7.EE 6.SP 8.G 6th 7th 8th 5th modeling
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