Category: Geometry

Cold and Snowy activities

How much snow is that? – How many inches of snow produced that pile?  How much snow in volume is on top of the car?  How much could that snow weigh? Approximation, snow/water equivalent rates (SWE) 5.MD.C, 6.RP.A, 7.RP.A, 7.EE.B, 7.G, 7.EE.A Snowy…

New Year’s Eve ball drop

On Saturday evening, December 31st, 2017 at 12:59 pm, much of the world will be watching the iconic Times Square Tower’s New Year’s Eve ball drop 141 feet to the roof of the One Times Square Building in Manhattan, NY.  This…

Winter holiday activities (13 ideas!)

Do I have enough wrapping paper? – Students estimate the size of a gift and decide if the given wrapping paper is going to be enough.  Finally they try to create a rule for determining enough wrapping paper from a present’s…

How many lights do I need for my tree?

Check out our Christmas Tree.  You need to buy lights for the tree.  Without calculating, guess how many feet of lights you will need.What information do you need to better estimate the number of feet of lights that you need?…

Wrapping presents on the diagonal

 Dr. Sara Santos is a popular mathematician and speaker on mathematics.  She has worked out a method for wrapping boxes (rectangular prisms) as efficiently as possible. (Watch the video above)  Her method was written up in this article in Mental…

It gets dark so early now

Students appreciate how their latitude effects the darkness of their late afternoon location as they study the earth’s tilt and the logic of daylight hours. Is latitude the central angle of the Earth? The activity: winter-solstice2017.pdf

Spiraling triples

Let students explore the patterns of perfect squares and Pythagorean Triples as they analyze our piece of art and decide why the resulting construction looks like spiraling squares. For a finale they color their own spiraling triple. The activity: SpiralingTriples-activity.pdf

Thanksgiving, football, Black Friday, and giving

4th down – should you punt kick or go for a field goal? This is two activities. One is on graph reading. This is perhaps suitable for younger students. The other activity is on data analysis and the creation of the chart shown…

Macy’s 2017 parade

As we get ready for next week’s holiday, students can study a map of the annual Macy’s Thanksgiving Day parade, describe, measure and hypothesize why this route was chosen and then calculate how long each band will be marching and…

Canstruction

Act One:  Take a look at the pic. What questions come to mind? Just before Thanksgiving there is an annual demonstration at the Winter Palace in the World Financial Center of New York City.   Canstruction is a celebration of…

How long will it take you to trick or treat?

It’s Halloween and this is your neighborhood. How long will it take you to trick or treat at every house in your neighborhood? Possible conversation with students: How long will it take you to get from house to house? You…

Ghost costume pattern

I’m going to make a costume pattern to sell.  People can buy my plan and make awesome, long, full, scary, ghost costumes.  This scheme will be so simple.  Perhaps I’ll get rich! In this activity young students can reason about…

Water saving toilets

    How much water is used? How much water could be saved? The activity: PottyTime-SavingWater.pdf CCSS: 5.MD.1, 5.NBT.7, 6.RP.3, 7.RP.3, MP2

BIG Snickers bar

Wow!  This snickers bar is huge! Act 1 – Big question = How many times bigger than a regular Snickers bar is this? What info would you like to know? How are you going to judge how much bigger this is…