Pottytalk
I'm trying to be more savy about wasting our resources. I have really old fashioned toilets and I'm trying to figure out if I should invest in saving water. Can you help me?
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Math and Science
Genres
Grade
Figuring planting dates
It's time to get ready to plant my garden again. But here in Boston we have to start our seeds indoors to give them a head start before we can put plants outside. How should I fi...
Kilauea's lava flow
[caption id="attachment_15749" align="aligncenter" width="500"] Halema‘uma‘u Lights the Morning Sky - Photo taken from the overlook by the Volcano House on January 30, 2014 - NPS photo[/caption] The v...
Ebola 2014
Ebola has continued to gain strength and devastate regions of West Africa. WHO (World Health Organization) updates their data frequently and the p...
Cost of light bulbs
Algebra
Number Sense
Math and Science
Math and Social Studies
Ratio and Proportion
Data and probability
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...
My teacher says this stream is parabolic. Is he correct?
Instead of asking students to just believe what you've said, why not ask them to verify your assertions? Students plot the points of the stream, perhaps map them with an equation generated b...
It sure is cold out ... or is it?
Students ponder the relationship between place latitudes and average January temperatures while they try to discover a correlation. Is this a linear or near linear relationship? … averaging, mis...
Geometry of Flooding
In 2010, March was so rainy that flooding was the topic of every newscast and many, many conversations. To this day, the March 2010 floods were described as “once-in-a-generation” river leve...