Number Sense

How much do we spend on Mother’s Day?

Image from Trendhunter.com Here is a Mother’s Day Infographic from 2012.  Use the Mother’s Day event to engage your students in approximating, reasoning, and investigating.  Brian has asked students to estimate how much is spent in the United States for…

Tornadoes, 2014

Tornadoes have devastated the South of the U.S. in the last few days.  Arkansas, Alabama, Mississippi, and Tennessee have been brutally hit with these powerful events. Involve your students in a better understanding of the ranking and severity of tornadoes…

Cost of light bulbs – updated!

Finally updated! There’s a lot of misinformation out there about the cost to consumers of CFL and LED bulbs and the savings in energy and money that could be realized. Let your students “do the math” and realize some of the…

Mom’s matzo ball soup

Passover begins this year on Friday evening, April 22nd, 2016, with a Passover seder dinner. Passover is one of the three high holidays in the Jewish calendar and celebrates the Exodus of Jews from slavery in Egypt. Let your students…

Recent Earthquakes

Northern Chili and Los Angeles, California have experienced recent earthquakes.  These quakes are along the “Ring of Fire” where Earth underground plates often collide. The IRIS (Incorporated Research Institute of Seismology) Seismic Monitor will allow your class to visualize the most recent…

Pizza party

In this activity students decide how to divide 2 pizzas amongst 6 adults and 3 pizzas amongst 8 kids.  Fractional pizza parts need to be drawn and considerations discussed about which fractions are greater. Students interpret a fraction as division…

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…

Blue river

Because the Cubs just won the World Series, the plumbers have died the river blue. During the St. Patrick’s Day parade in Chicago, the local plumbers union dyes the Chicago River emerald green. Students learn what PPM (parts per million)…

Shamrock Shake

For Saint Patrick’s Day add a little nutrition math to your celebration.  In this post we look at calories, carbohydrates, sugars, fats, and proteins to decide what would be left for our day’s meal allotment after we had lunch and…

Someone ate my cake!

In this fraction operation and representation activity, students are asked to decide how much of my cake was eaten. Using fraction multiplication (or angle measure if that is where you need an activity) they find out how much someone owes…

Olympic reflection

After the games Thomas Ulsrud, Norwegian curler;  Eun-Ryung Sung, South Korean single luge  Dachhiri-Sherpa, Nepalese cross-country;  Jason Brown, U.S.figure skating The 2014 Winter Olympics have concluded.  Which country had the most successful olympics?  Three students can’t agree.  Have your students…

Too early in the day for so many choices

Dunkin Donuts is promoting variety in their mixtures of hot chocolate.  Let your students try to figure out how many ways they can create their drink as they calculate the number of combinations possible in our story of stopping for…

The Ghost Whisperer

Let your students play this great game online at Ghost Whisperer Crystal Ball and Figure out why it works. Construct viable arguments Critique the work of others This activity can be used with any grade level elementary through high school.  Younger…

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 for the top ten grossing movies of all time. Is…

Sweetheart candies

Here’s some more Valentine’s Day fun.  What more could kids want than Sweetheart candies, problem solving, critical thinking, and number sense reasoning? Enjoy!  sweetheart-candy2014.pdf For members we have solutions and Word documents.  sweetheart-candy2014.docx            sweetheart-candy2014-solution.pdf CCSS: 6.RP,…