Updated! In this investigation students calculate the percentage of the U.S. population (current and historically) that are enrolled in K-12 schools. They are asked to draw conclusions from these variations. Finally, they use their calculations to predict the number of…
Saturday, 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. McDonald’s moves toward Antibiotic-free chicken – What will the effects be on costs at the restaurant, costs in…
In Massachusetts, April 17th will be a holiday from school and work in Massachusetts. We celebrate Patriots’ Day on the 3rd Monday in April to commemorate the beginning of the Revolutionary War and the battles of Lexington and Concord. We…
Tuesday, February 28, 2017, 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…
What’s your guess as to how fast the number of daylight hours will change each day from now until June 21st? Will the changes be dramatic? Will the lengthening days be only a subtle change? Students make guesses; compute how…
Click the map to create your own at 270toWin.com Let your students see how votes really count with our activity on the Electoral College. Can someone win the popular vote in the Presidential election and still not become President of…
On Monday, June 20th, at 06:34 pm EST, the Earth’s North Pole will be tilted as far towards the Sun as it will ever be in the year. This marks the longest day of the year and the summer solstice in the…
How do you calculate and justify which deal is a better savings? By dollars saved? By percent saved? By some other measure? The activity: WhichDealOffersMostValue.pdf CCSS: 4.OA, 4.NBT, 4.MD.A, 5.NBT, 6.RP, 6.EE, 7.RP, 7.EE.A
We visited a Chic-fil-A recently. We had a great meal and my son loved playing in the play area. While at the play area I noticed two different signs that gave the…
How many hours of HD video can my DVR strore? How about SD video? I love my DVR. I can record my shows and movies and watch them whenever I want. I know that when I record HD programs my…
World Cup ranking – Students explore the ranking formulated from each team’s previous 4 years of play in their geographical divisions. The formula is complex and weighted. Is it fair? 5.OA, 5.NBT, 5.NF.B, 6.NS.B, 6.EE, 6.SP, 7.EE, 8.F, 8.SP, HSA World…
In December the soccer teams with the strongest world rankings were chosen to play in the once-every-4-years World Cup. The team rankings are calculated in a pretty complex manner. How are the 32 teams selected? Students can explore the ranking…
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 or not.…
Monday, April 17th, 2017, is the official holiday this year to remember the Battles of Lexington and Concord that began the Revolutionary War 242 years ago in 1775. (The actual date was April 19th, 1775) Both Paul Revere and the…
I need help! My daughter is traveling in Cambodia and we are supposed to Skype just before her dinner time in Phnom Penh, Cambodia. What time is that here in Boston?
