Ratio and Proportion

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It's almost summer now

Algebra Number Sense Geometry Math and Science Math and Food Ratio and Proportion Data and probability Funny
How much water do you have to drink?   In this activity student develop formulas for calculating their water needs, learn abo...

Will I pay less if I buy more?

Algebra Number Sense Ratio and Proportion 3-act tasks Any time math
image designed by macrovector / Freepik This activity can be used in a large range of grade levels.  Your class can work on percents, ...

The Moroccan Earthquake and the Richter scale

Algebra Number Sense Math and Science Current events Ratio and Proportion Any time math
Friday evening, September 8th, a powerful 6.8 magnitude earthquake hit Morocco southwest of Marrakech. What does a 6.8 magnitude earthquake mean?  How powerful was that...

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...

Father's Day and Juneteenth; 3 Activities

Algebra Number Sense Math and Social Studies Math and Food Holidays and Annual Events Current events Ratio and Proportion Data and probability
For Father's Day (Links to different activities) Thank you Mother and Father for all of those diapers (2015) - Students compare the cost of buying disposable vers...

The 8th billion baby

Number Sense Math and Social Studies Current events Ratio and Proportion Data and probability
How fast is the world's population growing? Will the world's population size increase indefinitely?  Are all countries' populations increasing at the same rate? What are some of the...

Earth Day (April 22) Actions for Our Planet

Algebra Number Sense Geometry Math and Science Math and Social Studies Holidays and Annual Events Current events Ratio and Proportion 3-act tasks Data and probability
<a href="https://www.freepik.com/free-photo/watercolor-textured-blue-background_15559582.htm#fromView=search&page=1&position=22&uuid=5c957d6a-8767-4ae9-9522-cdefcf4825b7">Image by ra...

What is an atmospheric river(AR)?

Algebra Math and Science Current events Ratio and Proportion Data and probability Wow factor
North America from space. Elements furnished by NASA - https://www.noaa.gov/stories/what-are-atmospheric-rivers How are they ranked? Students become familiar with this weather phenomena and ...

I need help raking my leaves

Algebra Number Sense Current events Ratio and Proportion
Brian has spent too much time thinking about his leaves. He's worried about raking them alone and thinking about how long the job would take if people helped. In this activity students see the inve...

Federal debt and deficit - What are they?

Number Sense Math and Social Studies Current events Ratio and Proportion Data and probability
What's the big deal with our national debt?  Do we actually borrow money to cover our debt?  If we do, imagine the interest charges? Help your students (and their families) understa...
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