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Tags: unit ratios, 5.NBT.3, subjective judging, using ratio to compare quantities, HS.A,
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Ranked Choice Voting in NYC
Algebra Number Sense Math and Social Studies Current events Ratio and Proportion Data and probability
New York City is still tallying its election results for a new Mayor.  This year they tried Ranked Choice Voting.  What does that mean? How does that work?  What are the ramificat...
flow chart logic MP1 MP2 MP3 MP8 6th 7th 8th HS MP4 election

Betsy Ross's 5-pointed star
Algebra Geometry Math and Social Studies Math and Art
Flag of the United States from 1777 to 1795.    In honor of Independence Day we thought it would be fun to look at one story about the first American Flag. The rough desig...
8.G 6th 7th 8th HS 5th 7.G.B 4th of July pentagram HSG.CO flag

How much is a trillion dollars?
Algebra Number Sense Math and Social Studies Ratio and Proportion
U.S. Congress is now debating how much money to approve on spending for infrastructure.  The numbers are between 1 and 3 trillion dollars. I can't even fathom that amount of money.  Is the...
proportional 6.RP 7.RP MP1 6th 7th 8th 5th time money

Penny Wars anew
Geometry 3-act tasks
Act One: Check out all of the pennies! What questions come to mind? If you want the most money, which container should you pick? What information do you need to answer this...
measurement Volume cylinder 8.G.9 8th HS HSG.GMD.3 3-act task money

What is Juneteenth?
Number Sense Math and Social Studies Current events Ratio and Proportion
   You can appreciate why this is such a great celebration when you look at the stages and some of the events and dates of America moving towards freedom from slavery. In this activ...
timeline 4.MD 5.MD 6.RP 7.RP 6.SP MP1 6th 7th 8th HS 5th HSM abolishionism juneteenth slavery

Do caffeinated drinks have similar amounts of jolt?
Geometry Math and Science Math and Food Ratio and Proportion
We found this interesting caffeine infographic at visual.ly. Wonderings? How many McDonalds coffees do I need to get the same amount of caffeine that I would get i...
proportion measurement scale Volume circle cylinder metric simliar figures 8.G.9 G.MG.1 G.GMD.3 7th 8th HS HSG-MG.A.1 coffee

Payday loans - What are they?
Algebra Number Sense Math and Social Studies Ratio and Proportion
When you need a loan, and you're desperate for help, is a Payday loan a good idea?  What is a PayDay loan?  How is it different from a bank loan or a credit card loan? Students learn ...
6.RP 7.RP MP1 MP2 6th 7th 8th HS MP4 payday loan personal loan credit card debt debts loans

Monopoly
Algebra Number Sense Ratio and Proportion Data and probability
In the board game, Monopoly, does a property’s distance from GO correlate to its rent when you land on it? Using Brian’s spread sheet (list of properties, distance from GO, rent and rent with...
Scatter Plot line of best fit mean graph 6.SP.5 6.SP.3 8.F.4 8.SP 6th 8th HS 5th S-ID 5.G game

Tree for Springtime
Algebra Geometry Math and Art
Here in the Northeast, flowers are blooming and trees are leafing out. We thought the creation of a tree that grows before your eyes might be akin to what is going on all around us. What d...
patterns fractals MP7 MP8 8.F 5.OA HSF-IF 6th 7th 8th HS 5th 4th 4.OA Python programming recursive drawing

Can I get your order right?
Algebra Math and Food Data and probability
  You can order a ton of combos at Chipotle.  They advertise that there are 65,000 ways to order their meals.  Do you think that is correct?  Here's an article on the permutatio...
probability 7.SP.8 7.SP.5 7.SP.6. 7.SP.7 7th HS HSS-CP.B.9 combinations choices HSS.CP.B HSA.CED.A permutations food
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