Category: Ratio and Proportion

Earth Day, 2018 – 12 activities

Sunday, April 22nd is Earth Day – There is so much to bring to your classroom to support recycling, conserving resources, studying climate change and protecting our planet. Have you seen more Monarch butterflies lately? – Students read charts, do a little research, and make observations…

How fast can you run?

In preparation for the Boston Marathon, we thought that an analysis of running speeds might be appropriate.Have you heard of The Six Million Dollar Man?  He was the character in a science fiction show about an astronaut that was rebuilt,…

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…

Greatest March Madness program

Based on this data, which do you think is the greatest March Madness program ever? Once students decide their “best program ever” challenge them use a different criteria than they originally used. That is, ask them to think of another way…

Passover, Easter, and April Fools day – 10 Activities

April Fools Day ideas – We have two strange mathematical riddles to decipher; a “why does this work?” task using the Ghost Whisperer; and Robert Kaplinsky’s Foil Prank.  Take your choice! MP.1, MP3,4.OA, 5.G, 8.EE, 8.SP Peeps – Students estimate the number of Peeps sold…

Does seeding really matter?

March Madness is the big 68 team college basketball tournament that takes over our TV viewing during the weekends of March. School and office friends are filling out brackets.  Engage your students in percents as they get excited about March…

Saint Patrick’s Day

Green, green river – They’re doing it again. In Chicago, the local plumbers union “dye” the Chicago River emerald green.  Students learn the meaning of PPM (parts per million) and  attempt to figure out how much dye is used to sufficiently…

Pi Day is almost here!

6 possible activities! Celebrate π in your school and in your math class with 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…

Movies and the upcoming Oscars

We have 11 activities for your Oscar week. Highest Grossing Movies – Let your students develop their own ideas about compounded percent change while they have the opportunity to speak about the upcoming Academy Awards show. Worldwide box office income is compared…

Is the Iditarod really the Last Great Race on Earth?

The Iditarod Dog Sled Race begins on Saturday, March 4th in Anchorage, Alaska. This long and grueling competition is called the Last Great Race on Earth. Students do some rate, distance, and hardship comparisons to decide if they agree that the…

Opening weekend The Black Panther

Can you tell from its opening weekend how much the new movie, Black Panther, might earn in theaters?  This activity can be used anytime and is especially timely when there is a new blockbuster movie released.  We’ve left blank spaces…

Valentine’s Day and the Lunar New Year

Which Sweet Heart candies are the best deal? – Students decide which quantity of Sweet Heart candies is the best deal.  Ratio tables, unit ratios, devising convincing arguments. 6.RP.2, 6.RP.3, 7.RP.2 Sweetheart Candies – unit rate and ratio activity using those little candy…

Mardi Gras – Fat Tuesday

Tuesday, February 13, 2018, will be the day before Ash Wednesday and the start of the season of Lent.  Mardi Gras is a last hoorah and is celebrated throughout the world with feasting, partying, and general indulgence. In New Orleans…

Winter Olympics, PyeongChang: February 9 – 25

Scoring Ski jumping – The scoring rubric for each of the Olympic events is intended to eliminate the possibility of scoring bias from the judges. Let your students learn more about the scoring of one event and decide whether it seems fair…

Super Bowl, Groundhog Day, and football activities

Greasing light poles – How much Crisco are the Philadelphia police using to grease their light poles to discourage climbers? 6.EE.A, 6.G.A, 7.G.B, 8.G, MP5 Typical Super Bowl scores – Students reflect on the mean, median, and mode losing scores, winning scores,…