Students use yearly percent increase data to decide which stock: Apple, Disney or Amazon, they should have invested in way back in 2015. What was the net gain of these stocks? How do you figure that? Does the arithmetic or geometric average of those increases equal their total gain or loss over the years?
On August 14th, Haiti was hit with a powerful 7.2 magnitude earthquake. What does a 7.2 magnitude earthquake imply? What’s a seismometer. What is the amplitude of a seismograph and what does it mean? Use our Richter scale activity to introduce your students to logarithmic Richter magnitudes.
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? The activity: PottyTalk.pdf CCSS: 8.F.3, 8.F.4, 8.F.5, HSF.IF.B.4, HSF.IF.B.6, HSF.IF.C.7, HSF.IF.C.9, HSF.LE.A.2, HSF.LE.B.5
This activity can be used in a large range of grade levels. Your class can work on percents, linear equations or piecewise functions. Act One: We missed the semi-annual sale but we want to get ready for the next one. Let’s…