Tag: 7th

Collecting the most candy

Use your student’s Halloween enthusiasm to do a study on volumes.  We’ve created an activity that asks students to calculate the volume of candy containers that are silly and intriguing.  Skip the cone and the sphere to make this activity…

Giant Pumpkins

Let your students marvel at World Record winning giant pumpkins as they use proportions to calculate the quantities of pumpkin puree and the number of pumpkin pies that could be made from one of these giants.  To introduce the task…

I should have invested!

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?

Halloween spending 2021

Use our current data on Halloween spending in America to engage your students in an analysis of the ratios and percents of population, participation, and money spent in honor of October 31st. This activity takes kids through finding parts of wholes as well as ratio, percents and proportion problems.

Federal debt and deficit – What are they?

national debt 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) understand the meaning and repercussions of too much…

Indigenous Peoples or Columbus Day

*** Two activities *** When Columbus landed in Guanahani (renamed San Salvador, Bahama Islands by Columbus), he began the European settlement of the New World. Guanahani was inhabited by the Taíno people and it wasn’t really a new world. In this…

Watson saves

Students use the Pythagorean Theorem with Ben Watson’s incredible tackle to figure out how far he must have run. Truly phenomenal play!

Fall Equinox 2021

Updated for 2021! Tuesday, September 22, 2021 at 19:21 UTC (which is the same as 3:21 am EST), will be the Autumnal Equinox.  It is the time of year when the imaginary plane that passes through the Earth’s Equator would also…

Monarch’s are flying south again

In mid-August and early September, the Monarch butterflies begin their annual migration south to more moderate climates to hibernate and overwinter.  It is an incredibly long migration and fascinating to observe.  But, the population data on the Monarchs has seriously…

Steepness and fall hiking

Combine colorful and cool fall hiking with a little mathematics about percent grade change. What is a steep grade? Why is it in percent? How does grade change relate to slope?

Hurricanes, Typhoons, and Cyclones

This is the season for increased cyclonic activity around the globe. Typhoons, Hurricanes, and Cyclones are measured with an Accumulated Cyclone Energy score (ACE). Does it correctly describe these events?