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tags: 7.RP
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Should I get the Big One?
Algebra Food Ratio and Proportion
  Let your students decide if the BIG one is a fair deal.    Which size will they get?  Which size offers the most value?  Make a guess, then do the math.
Data and Probability 7.RP.2 7.RP.3 7.EE.3 7th 8th percent change

BIG Snickers bar
Algebra Geometry Food 3-act tasks Wow factor
  Act 1 - Big question = How many times bigger than a regular Snickers bar is this? What info would you like to know? How are you going to judge how much bigger this ...
Volume 7.G.1 7.G.6 6th 7th 5th 4th 6.G.A 6.RP.A 7.RP.A 4.MD.A unit ratio 5.MD.C 3-act task Unit rate

How much does the biggest Lego set ever cost?
Algebra Number Sense Ratio and Proportion 3-act tasks Probability and Statistics
  Picture from the Verge. Click to see the story. Note: This is a remake of our 2014 "How Much Does a Lego Cost" activity   How much could the...
proportion mean 6.RP.2 6.RP.3 7.RP.2 6.SP.5 random sample 7.SP.2 7.SP.1 6th 7th modeling Unit rate Lego

Total solar eclipse - apparent sizes
Algebra Geometry Science Current events Ratio and Proportion
  Where will the eclipse be seen?  What if you are not in the path of totality?  Total solar eclipse?  What is apparent size?  How can the moon seem to cover the sun comp...
6.RP.3 7.RP.2 7.G.1 trigonometry 7.G MP2 MP3 HS HSG HSG-SRT.C.8 HSF 7.RP.A HSG.SRT.D.11 total eclipse annular eclipse angular diameter apparent diameter HSG.SRT.C.6 geometry Solar geometry distance

Giant iceberg breaks off from Antarctica
Science Current events Ratio and Proportion Probability and Statistics
       The crack in Antarctica's Larson C ice shelf has been growing for years (2017).  Has the speed of the rift's growth stayed about the same? increased? dec...
MP1 MP2 8.F 6th 7th 8th HS HSF 6.RP.A 7.RP.A climate change Antarctica iceberg weather extremes Unit rate Earth day

Proposed southern border wall
Number Sense Social Studies Current events Ratio and Proportion
You have probably heard about the proposed border wall that may go up along the U.S./Mexico border.  How much wall needs to be built? How much will that cost? What is that per mile? Per foo...
5.NBT 6th 7th 5th unit pricing 6.RP.A 7.RP.A HSM cost per unit understanding large numbers operations with fractions decimal percent

Measuring sea level
Algebra Number Sense Geometry Science Ratio and Proportion Probability and Statistics
What does this gizmo do? We've given students a diagram of what the interior of this mechanism contains and asked them to try to decide what its purpose must be. Then we've...
line of best fit rate of change 6.RP.3 7.RP.1 HSF-IF.B.6 MP8 6th 7th 8th HS HSS.ID.C.7 8.F.B.4 climate change Sea level rise create equations ocean topology Australian topology 8.EE.B.5

April's calf was born!
Algebra Number Sense Science Ratio and Proportion
At about 10:00 am, April 15th, April's calf was born.  Everyone will be talking about it and smiling constantly. Here's some fun math stuff to bring with you for Holiday gatherings.
Data and Probability proportion ratio rate 6.RP.2 6.RP.3 6.RP.1 7.RP.3 6th 7th 8th 5th Unit rate

Patriots' Day
Number Sense Social Studies Sports Holidays Ratio and Proportion
 We celebrate Patriots' Day to commemorate the beginning of the Revolutionary War and the battles of Lexington and Concord. Students learn more about the difficulties of the Revolutionary War and...
6.RP.2 6.RP.3 7.RP.1 6.RP.1 rates 6.RP 7.RP 6.EE 6.NS.3 5.MD.1 6th 7th 8th 5th time rate distance history

New baby giraffe
Algebra Number Sense Science Ratio and Proportion
  Willow at Baltimore, MD Zoo Willow weighed 125 pounds at birth and was 6 feet 1 inch tall.  She will grow to her adult height of around 14 feet tall in only four years! How big wou...
Data and Probability proportion ratio rate 6.RP.2 6.RP.3 6.RP.1 7.RP.3 6th 7th
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