Tag: 5.NBT

Will this be an El Niño winter?

Students study charts that show variations from normal sea surface temperatures during El Niño years. They get the chance to more fully understand these events and understand the world-wide ramifications of an El Niño year.

Huge Alaskan Vegetables

The growing season in Alaska is short, but, farmers are able to grow 75 pound cabbages, 100 pound kales, and 1,000 pound pumpkins.  How do they do that? Stnds calculate length of growing seasons and hours of sunlight to approximate how much one of these giants grows per hour. Unbelievable!

The 8th billion baby

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?

Earth Day actions for our planet

We have 16 activities that you could use for Earth Day! Saturday, April 22nd is Earth Day. Help your students become activists for our planet? We have 16 activities that support recycling, conserving resources, awareness of climate change and protecting our planet.…

Iditarod 2023 – The Last Great Race on Earth

The Iditarod Dogsled Race will begin this year on Saturday, March 4th in Anchorage, Alaska. It is often called The Last Great Race on Earth because it is so long and grueling. Students do some rate, distance, and hardship comparisons to decide if…

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!

Three Hanukkah activities

Three great activities to play and learn about Hanukkah. Soda displays, Hebrew calendar, and relating two recipes for their healthiness.

Whole lot of cookies

Jennifer Fairbanks from Hopkinton, MA sent us this picture of the cookies that she baked in 4 hours using 13 eggs and 5 cups of sugar. Do you see some math here?

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%…

Inflation and the cost of gasoline

In 1980, a gallon of gas costs $1.22.  Today’s prices are a lot higher.  Is that because the price has gone up or because in 1980 you could buy a lot more with $1.22 than you can buy today?