Tag: Data and Probability

Extreme weather 2020

Use the open number line and our lists of temperature extremes to make signed number operations and absolute value sensible. Students compare record high and low temps (integers) and use absolute value in order to always find the positive difference. Subtraction of negatives becomes obvious in this lesson.

NBA Finals 2020

Exploring NBA championship data. Check out the dominance of a select few teams in NBA history.  Students work the data, data representations and statistics.  For which kind of observations are circle graphs or bar graphs most useful? Finally, who has won the most NBA titles NBA history?

Labor Day 2020

What is this holiday about?  Are we celebrating the start of school?  New cars? The end of summer? In this short activity, students learn about the intended meaning of Labor Day as they read about its origin. For the mathematical…

Memorial Day 2020

This Monday Americans will celebrate Memorial Day.  Who are we honoring?  How did the holiday come about?  Isn’t Memorial Day usually on May 30th? Students learn a little about the history of the holiday, analyze the possibilities and patterns for when…

Sadly, Jorge passed away yesterday.

Jorge would have been 15 years old on May 5, 2020. We wondered how old that would have been in human years. Does that 7 times his dog years formula really predict all dog’s aging?

It’s time to gear up for Pi Day

Seattle, Washington Pi sculpture

8 activities to help celebrate π in your school and in your math class. Activities that demonstrate how π was derived; visually show why π makes sense; show a surprising place where π is used; increase students ability to measure and long divide; applauds the talent of people who can memorize large strings of numbers; and lets students just have fun.

Iditarod – The Last Great Race

The Iditarod Dog Sled Race will begin this year on Saturday, March 7th in Anchorage, Alaska. It is often called The Last Great Race on Earth because it is so long and grueling. Students do some rate, distance, and hardship comparisons to decide…

Mardi Gras or Fat Tuesday

Students get a chance to examine the monetary and environmental cost of this bead exuberance with our unit pricing and recycling activity.

Hanukkah dates keep changing!

3 Hanukkah activities; the amazing Hebrew calendar, soda menorah, and potato latkes. In the calendar activity, students look at the Hebrew calendar and appreciate the incredible mathematics involved in creating a calendar that aligns both the moon’s revolution about the Earth and the Earth’s revolution about the Sun.

It is getting dark way too 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-solstice2019.pdf

How much snow is that?

Start out this activity with: What do you notice? What do you wonder? 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? Students try to approximate…

Black Friday deals

When shopping next Friday, students will be able to add some understanding and analysis to the trip after calculating savings in dollars and percents with this timely investigation.

How should I cook my turkey?

Bake it, deep fry it or barbecue it? When do I have to wake up to begin preparations? How long will the cooking take?  How much will it cost?  How many can I feed?