How fast is the World’s population growing? Will the world’s population size increase indefinitely? Are all countries’ populations increasing at the same rate? What are some of the factors affecting this growth?
The 8th billion baby
Tag: HSS
Before the holidays (16 activities)
We have tons (well, 16) of activities to bring to your class in this last week before the holiday break. Movies, science, art, cooking, economics, weather and the logic of calendars. Enjoy!
Hexadecimal coloring
Probably most of us have heard of and even used hexadecimal color codes. Don’t you wonder why their number descriptions really make sense? In this activity we first ask students to color in our Golden Spiral by giving them the…
Where should I drop my puck
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 slot would give them…
Pythagorean Triples and coloring
Pythagorean triples are not only handy for students to recognize but produce some interesting and lovely patterns. We’ve combined a little coloring with our Pythagorean Triple pattern investigation to let your students relax while they color, view the beauty, and…
Weird wing prices
Clicking on this image will show it larger in a new window. Danny’s Wok in Philadelphia has a huge price list for ordering their famous chicken wings. Why did they write the prices this way? Do you see a pattern?…
Where should I drop my puck?
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 slot would give them…
Movie tickets over time
How Much Will Movie Tickets Cost in the Future? – Updated! In this investigation, Brian looks at the changes in movie ticket prices over the last 38 years. Using his scatter plot (or his data) students analyze rates of change, make predictions…
Saffron and paella
In order to cook Paella (a delicious Spanish rice dish) I needed to buy Saffron spice. It was hugely expensive. So, I’ve decided to start a business of growing saffron and becoming immensely wealthy.
The spread of Ebola in West Africa
Ebola is a deadly virus that has reappeared in Western Africa in an outbreak that began in February of this year. We’ve supplied you with weekly statistics on the progression of this disease and given you and your students a…