I checked my data usage for the month. What do you notice and wonder? What could my data plan be? How much have I used? How much will I have used by the end of the month? Is this…
Data remaining … tricky
Tag: 7.RP.3
Which gasoline is the cheapest?
A comparison of gasoline in Greece, priced at Euros per liter, and gas in Massachusetts at dollars per gallon. Price and liquid volume conversion using unit fractions.
How Much Halloween Candy Will You Collect?
Students consider how to determine the best candy haul prediction. The math ideas of measurement error and percent error are introduced. Students then predict their own Halloween candy collections numbers and compare their predictions to their actual haul using measurement and percent error.
Giant pumpkins
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…
NHL Playoff games can sure last a long time!
Revised! We’re watching another Stanley Cup playoff now. Will there be any really long games during the playoffs? In 2013, a Stanley Cup playoff match between the Bruins and Blackhawks went into 3 overtimes. People stayed up way too late…
Greatest March Madness program
We are nearing the finale of this year’s March Madness tournament. Which NCAA teams must have the best basketball programs since they consistently do well in this tournament? Based on this data, which do you think is the greatest March…
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…
President’s Pay for Presidents’ Day
The President’s have only received a pay increase 5 times in the United States. Picture it with a step graph. Calculate the actual salary using the CPI (Consumer Price Index). Do the Presidents need a raise?
Two 12s or one 18?
Which should we order and why? Two 12-inch pizzas or one 18-inch pizza? Which will give you more pizza? More crust? Which is the better deal? Let’s do the math! The activity: more-pizza.pdf
Huge diamond found in Canada
552-carat diamond found in Diavik Mine, Northwest Territories, Canada Can you tell just how big this gem is? Do you know how big a carat is? What would this look like on a ring on your finger?
Water saving toilets
How much water is used? How much water could be saved? The activity: PottyTime-SavingWater.pdf CCSS: 5.MD.1, 5.NBT.7, 6.RP.3, 7.RP.3, MP2
Should I get the Big One?
Let your students decide if the BIG one is a fair deal. Click on the pic to enlarge and post on the wall. Have kids pick a sandwich. Which size will they get? Which size offers the most value? Make…
How many times bigger?
Listen to students initial thoughts as they wrestle through what “bigger” means … length? height? wheel-base? volume?
April’s calf was born!
At about 10:00 am, April 15th, April’s calf was born. Everyone will be talking about it and smiling constantly. Here’s some fun math stuff to bring with you for Holiday gatherings. The activity: April’s-calf.pdf
New baby giraffe
Willow weighed 125 pounds at birth and was 6 feet 1 inch tall. She will grow to her adult height of around 14 feet tall in only four years! How big would you be if you grew at her rate…