Ratio and Proportion

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National Donut Day (2 activities)

Algebra Geometry Food Current events Ratio and Proportion 3-act tasks
 Friday, June 5th, is National Donut Day.  We have 2 activities to support this silly holiday.  How much have doughnuts changed? Students become familiar with the word "torus"...

This shoe is huge!

Algebra Number Sense Ratio and Proportion Wow factor Any time math
Brian and his son were doing some shopping when he found this shoe.  Egad!  Could that be someone's real shoe? In this activity student use a shoe size chart, patterns or linear modelin...

World record Snickers Bar

Algebra Number Sense Geometry Food Ratio and Proportion
  In late January, workers at the Mars Wrigley plant in Waco, Texas created this giant Snickers Bar. It won a spot in The Guinness Book of Records as the World's largest Snicker's Bar. Wh...

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...

Giant iceberg

Number Sense Geometry Science Ratio and Proportion Probability and Statistics
    Ferryland, Newfoundland. JODY MARTIN / REUTERS  This giant iceberg drifted past Ferryland, Newfoundland in 2017.  It's hard to tell how large it actually is, but...

Flag Art

Number Sense Geometry Social Studies Art Ratio and Proportion
    A little ratio art might be a fun way to get ready for the upcoming Memorial Day holiday. In this activity (Flags) students measure; create whole number ratios for the official...
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