Tag: MP4

Celebrate Saint Patrick’s Day (3 activities)

Finding 4-leaf clovers! Shamrocks in Ireland are actually be 3-leafed white clover, trifolium repens. If you are lucky, you can sometimes find a four-leafed clover.  How rare is finding a 4-leafed clover?  How hard do you have to look?  What…

The R-naught number of the coronavirus

We’re still learning about the coronavirus and its ability to and tendencies toward infection and spread. Students learn about the R-naught number which is a measure of infectious growth. Real-world mathematics!

It’s Girl Scout cookie time again!

Totally new activity! Let your students talk about their favorite Girl Scout cookies as they figure out what the local GS chapter really earns from these sales.  Use this old graphic (where a box only costs $4.00) to figure out…

Shipping crunch

Do huge numbers of packages shipped and huge numbers of packages delivered late mean that these two companies aren’t doing a good job? Talk numbers.

Ghost Whisperer

As the Halloween season begins, let your students play a spooky game. How does this work? Students can play this game online at Ghost Whisperer Crystal Ball and then Figure out why it works. Construct viable arguments Critique the work of others…

How Much Halloween Candy Will You Collect?

Students consider how to determine the best candy haul prediction.  The math ideas of measurement error and percent error are introduced.  Students then predict their own Halloween candy collections numbers and compare their predictions to their actual haul using measurement and percent error.

Fall Equinox, 2019

Monday, September 23, 2019 at 7:50 UTC (which is the same as 3:50 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 travel through the…

So just print some more money!

            What’s the big deal with our deficit? 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…

V-o-r-t-e-x

Use the extreme cold weather to practice and understand integer subtraction.

Weird wing prices

Clicking on this image will show it larger in a new window. Danny’s Wok in Philadelphia has a huge price list for ordering their famous chicken wings. Why did they write the prices this way? Do you see a pattern?…