Social Studies

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Cost of light bulbs (Updated)

Social Studies Ratio and Proportion
With incandescent and halogen bulbs banned since 2023, students compare CFL, LED, and Smart LED bulbs, calculate energy use in kilowatt-hours, and determine which bulb is the better deal over time.&nb...

Inflation and the cost of gasoline

Algebra Number Sense Science Social Studies Ratio and Proportion
 In 1980, one gallon of gasoline costs $1.22.  Today's prices are a lot higher.  Is that because the price has gone up or because in 1980 you could buy a lot more than you can buy today...

Does it pay to get educated?

Number Sense Social Studies Ratio and Proportion Probability and Statistics
 This activity is currently being updated…stay tuned! (May 2026)   Why should students do well in school, graduate high school, or go on to college?  In this activity median e...

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...

Cheap-otle?

Number Sense Social Studies Food
mage from Chipotle. One of my favorite foods is a burrito.  One of my favorite places to get a burrito is Chipotle. Their food is delicious and environmentally friendly. For Hallow...

Cost of light bulbs

Algebra Number Sense Science Social Studies Ratio and Proportion Probability and Statistics
 This activity has been updated (2026). See the new activity here:https://www.yummymath.com/post/light-bulb-cost-comparison/ There's a lot of misinformation out there about the cost to consu...
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