Tag: HSA-CED

Throwing Up 2023

It’s hard to shovel new snow when you have to get your shovel-full over previous snow banks. You have to throw the snow practically straight up. Predict the arc of your shovel throw with a parabola and refine your formula by manipulating the parabolic factors.

Buy, buy, buy and ship (8 ideas)

Here comes Black Friday, Small business Saturday, Cyber Monday and Giving Tuesday.  It’s a crazy time of year.  Use all of that shopping to educate your students about good deals and how shoppers can be fooled. Is this really 70%…

Hurricanes, Typhoons, and Cyclones

This week Hurricane Fiona caused major damage to Puerto Rico, the Dominican Republic and the Caribbean, This is the season for increased cyclonic activity around the globe.  How are hurricanes, typhoons, and cyclones related? There is a measurement called the Accumulated…

At last, its summer again

How much pee is in this pool? – A Canadian chemist, Xing-Fang Li, has found a marker for urine that chlorine doesn’t disguise. In this activity, students calculate volume of several pools, change that cubic foot volume to gallons of pool water,…

The odds of horse race betting

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 Kentucky where the race took place, paid out $81 for every dollar that was bet for Rich Strike to win.  How do they figure that?

What is my best gasoline option?

Should I pay the membership fee and get BJ’s gasoline?  Should I just buy the cheaper gas at Sheetze? Students figure out the best deals with a membership fee, a loyalty credit card, or just the cheapest gas around. They create linear equations and find out for which amounts of gas would cost differences be the greatest and at what amount of gas would their costs be the same. And more …

Bowl by the hour or the game?

Students consider the posted pricing of this bowling alley. What must they consider when choosing how to pay? What do you expect will be the best deal? How do you know?

Summer Solstice, the longest day

Sunday, June 21st, 2022 (Revised and updated) Sunrise on summer solstice at Stonehenge On Sunday, June 21st, at 5:13 am EDT, the Earth’s North Pole will be tilted as far towards the Sun as it will ever be in the year.…

When will he use up his chocolate milk account?

Brian’s son buys chocolate milk every few days to go with his lunch. His school creates an invoice that they send to parents every month that show the status of his milk account. Brian put $20.00 into this account to…