Category: Number Sense

Thanksgiving, football, Black Friday, and giving

Not enough mashed potatoes – Use Brian’s famous mashed potatoes recipe to practice changing decimals to fractions; calculating ingredient measure for various-sized Thanksgiving gatherings; have students explain their reasoning; and to have students figure out how many servings 7½ pounds of…

Macy’s Thanksgiving Parade 2018

As we get ready for next week’s holiday, students can study a map of the annual Macy’s Thanksgiving Day parade, describe, measure and hypothesize why this route was chosen and then calculate how long each band will be marching and…

How should I cook my turkey?

Should I oven bake it, deep fry it or barbecue and smoke it?  When do I have to wake up to begin preparations? How long will the cooking take?  How much will it cost?  How many can I feed?  Will there…

Consumer spending 2018

Consumers in the U.S. spend a lot of money. In this activity we look at historical data to see if there are any patterns in our spending.  How does our holiday spending show up in these graphs?  What accounts for…

How huge could this mid-term election be?

Will November 6th election bring record number of voters to the polls? Students get a chance to understand what the usual percentage of voters is, look for trends and central tendencies, and make predictions about this year’s voter turnout. The…

Collecting the most candy

Use your student’s Halloween enthusiasm to do a study on volumes.  We’ve created an activity that asks students to calculate the volume of candy containers that are silly and intriguing.  Skip the cone and the sphere to make this activity…

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…

Big bucks

Giancarlo Stanton and Wayne Rooney signed big contracts in 2016, paying each of them millions.  Lets take a look at some of the world’s biggest sports contracts from the NBA, NHL, NFL, MLB and European Football (what Americans call soccer).  We often…

Vampire bats

Ooooo. Scary!  This is a slightly didactic activity on vampire bats.  We’ve given lots of interesting metric and customary unit facts and asked students to relate those sizes to more familiar objects.  Simply enjoy the season with this slightly creepy activity…

LeBron effect?

LeBron recently left the Cleveland Cavaliers to play for the Los Angeles Lakers.   Lebron is arguably the best player in the NBA and a tremendous addition to a team … a real difference maker.  He began his career with…

Really big pumpkins and pie

Let your students marvel at World Record winning giant pumpkins as they use proportions to calculate the quantities of pumpkin puree and the number of pumpkin pies that could be made from one of these giants.  To introduce the task…

Fantasy Football

In the midst of another NFL season, we introduce students to Fantasy Football. Students first calculate football points given touchdowns, yardage gains and interceptions. They are then challenged to generalize an equation that gives a player’s total fantasy points. Students solve…

Sol LeWitt’s pyramid – How might you count those blocks?

Sol LeWitt (1928 – 2007) was a an American artist involved in Conceptual art and Minimalism.  This structure is housed in the garden of the Hirshhorn Museum on the National Mall.  The activity:  Four-sidedPyramid.pdf CCSS:  4.OA.C, 5.OA.B, 7.EE.B, HSF.BF, HSF.LE, HSM, MP5 Two related…