Tag: 5.NBT

Before the holidays (16 activities)

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!

Three Hanukkah activities

Three great activities to play and learn about Hanukkah. Soda displays, Hebrew calendar, and relating two recipes for their healthiness.

Whole lot of cookies

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?

Buy, buy, buy and ship (8 ideas)

Here comes Black Friday, Small business Saturday, Cyber Monday and Giving Tuesday.  It’s a crazy time of year.  Use all of that shopping to educate your students about good deals and how shoppers can be fooled. Is this really 70%…

Inflation and the cost of gasoline

In 1980, a gallon of gas costs $1.22.  Today’s prices are a lot higher.  Is that because the price has gone up or because in 1980 you could buy a lot more with $1.22 than you can buy today?

Hexadecimal coloring

Probably most of us have heard of and even used hexadecimal color codes. Don’t you wonder why their number descriptions really make sense? In this activity we first ask students to color in our Golden Spiral by giving them the…

Mallie’s latest Big Burger

Students learn about the initial weight of the giant meat patty and calculate the final weight of the patty after it is cooked.  They decide what percent lean this meat must have been and consider how long it would take their family to eat the entire world-record burger.

Mental math tricks – part 2

36 x 25 = 900     480 x 25 =12,000    924 x 2.5 = 2,310 Can you see any tricks for doing these calculations in your head? The activity: ImpressYourParents-part2.pdf

Refugees from Ukraine

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.

February 22, 2022

Why do you suppose we are posting this date as a topic for YummyMath? What do you think is so special about this date? Does this happen often?  When might a similar day occur?

Spider-Man continues

How much did it cost to make?
How much will it gross?
Is the Spider-Man phenomena a guarantee for success?
How would you compare all of the Spider-Man movies?

Super Bowl Numerals

Introduce Roman numerals to your class.  In this activity students learn the rules for evaluating Roman numerals, decipher copyright dates, see how Roman numerals are used today, and do some strange looking arithmetic and surprisingly easy computation.