How fast is the World’s population growing? Will the world’s population size increase indefinitely? Are all countries’ populations increasing at the same rate? What are some of the factors affecting this growth?

We have tons (well, 16) of activities to bring to your class in this last week before the holiday break. Movies, science, art, cooking, economics, weather and the logic of calendars. Enjoy!

Jennifer Fairbanks from Hopkinton, MA sent us this picture of the cookies that she baked in 4 hours using 13 eggs and 5 cups of sugar. Do you see some math here?

Civilian Ukrainians are fleeing the war zone in order to remain safe and find food and housing. How do these numbers compare with other tragic evacuations. While interpreting graphics and working with these huge numbers, bring your student’s opinions and concerns into your math class.

Students learn how the Postal Service is funded and try to decide how the USPS could earn more or spend less in their operation. They finally get to think about whether the post office should be a government run service or a self-sustaining business.

How big is a coronavirus cell? How big is a micron? How well do these masks protect against the virus? What can you observe about the size of particles mentioned? Why are we wearing masks?

A little ratio art might be a fun way to get ready for the upcoming Memorial Day holiday. In this activity students measure; create whole number ratios for the official U.S. flag; decide how our artistic flags will be different…

How do you calculate and justify which deal is a better savings? By dollars saved? By percent saved? By some other measure? The activity: WhichDealOffersMostValue.pdf CCSS: 4.OA, 4.NBT, 4.MD.A, 5.NBT, 6.RP, 6.EE, 7.RP, 7.EE.A