Number Sense

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Where should I drop my puck

Algebra Number Sense Geometry Ratio and Proportion 3-act tasks Data and probability
  Act 1 - Give students time to view the game board above or give them our one-page activity. The above picture is larger when you click on it. Ask students for their gut reaction about which sl...

Should I buy a gasoline, hybrid, or electric car

Algebra Number Sense Math and Social Studies Data and probability
Should you buy a hybrid or an electric car to save money and the planet? Students create equations for finding the break-even points of these vehicles by mileage and years of ownership.  The...

NBA Finals 2022

Number Sense Sports Ratio and Proportion Data and probability
The Celtics will meet the Warriors this year! Teams are competing in the playoffs and the NBA Finals are right around the corner.  Let's do a little sports history and data analysis through ...

The odds of horse race betting

Algebra Number Sense Sports Current events Ratio and Proportion Data and probability
Rich Strike surprised everyone at the Kentucky Derby horse race in early May by moving from 18th place at the half-way mark (out of 20 horses) to winning the race. Churchill Downs, the track in...

Beijing Olympic Schedule 2022

Number Sense Sports Holidays and Annual Events Current events Data and probability
The Winter Olympics begins this week in Beijing. Wikipedia had this schedule of events. We think that there is a lot of information missing and apparent in this graphic. What can you tell, wha...

Home team advantage?

Algebra Number Sense Sports Ratio and Proportion Data and probability
Updated! Even before your students check out the graphic below, ask them whether they think a game played at home gives their team an advantage.  If so, how much of an advantage?  Enjoy t...

How many athletes brought home no medal?

Number Sense Sports Current events Ratio and Proportion Data and probability
There must be a lot of Olympians who haven't brought home medals.  Probably most of the athletes that went to Tokyo didn't win a Gold, Silver, or Bronze medal.  We cou...

It's tick time again ... and Lyme disease

Algebra Number Sense Math and Science Math and Social Studies Data and probability
With the start of summer and wonderful outdoor activities, it might be good to examine the growth of Lyme disease and to recognize its carrier, the deer tick. Will this be a record ...

Peeps

Number Sense Math and Food Holidays and Annual Events Data and probability
How many Peeps are sold at Easter time each year? Students estimate the number of Peeps sold each Easter season.  They consider reasonability by making guesses they think might b...

At least the days are getting longer

Algebra Number Sense Math and Science Holidays and Annual Events Current events Ratio and Proportion Data and probability
What's your guess?  How fast are the number of daylight hours changing each day?  Are the changes dramatic or subtle? Students make guesses; compute how l...
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