Topic

Activities about rate

Giant chocolate bunnies
Giant chocolate bunnies

What can you deduce about these bunnies from their descriptions ... solid? hollow? cost per pound? cost per height? Anything else? For Adventurer members we have an editable...

Number Sense Geometry Grades 6–7
How Many Pennies did Otha Save?
How Many Pennies did Otha Save?

Otha Anders used picking up pennies as a way to remember to pray. In this 3-act activity we try to estimate how much he actually collected and stored...

Number Sense Geometry Grades 5–7
How Much is a Tweet Worth?
How Much is a Tweet Worth?

These days it seems everyone is on social media. Are you? Famous athletes and entertainers are on social media and they can make a lot of money. In...

Algebra Number Sense Grades 6–HS
Which Sweet Hearts are the Best Deal?
Which Sweet Hearts are the Best Deal?

I have been doing a little shopping for Sweet Heart Candies. I came across these three deals online. Which should I select? In this activity, students determine which...

Algebra Number Sense Grades 6–7
Kilauea's lava flow
Kilauea's lava flow

[caption id="attachment_15749" align="aligncenter" width="500"] Halema‘uma‘u Lights the Morning Sky - Photo taken from the overlook by the Volcano House on January 30, 2014 - NPS photo[/caption] The volcano,...

Number Sense Geometry Grades 5–8
Saffron and paella
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...

Algebra Number Sense Grades 5–HS
The growth of Godzilla
The growth of Godzilla

Image from Kris Holt: http://www.policymic.com/articles/76357/the-scary-way-godzilla-has-evolved-through-the-years-in-one-chart The new Godzilla movie is out at theaters. His first appearance was in 1954 when he was created in Japan and crushed Tokyo....

Algebra Number Sense Grades 5–HS
An ounce of cola
An ounce of cola

Which is more expensive; gasoline? milk? or cola? Students calculate the per ounce cost of each of these liquids in a story about a man doing errands. After...

Number Sense Math and Food Grades 5–7
Green, green river
Green, green river

During the St. Patrick's Day parade in Chicago, the local plumbers union dyes the Chicago River emerald green. Students learn what PPM (parts per million) means and attempt...

Algebra Number Sense Grades 5–7
Which TV is the Best Deal?
Which TV is the Best Deal?

Check out the TVs. All have essentially the same features, only the size of the screen varies. Which TV do you think is the best deal? Explore area...

Number Sense Geometry Grades 4–7
Big gulp
Big gulp

Do you or your students love sugary drinks? What if it were against the law to order a large sugary drink where you lived? On September 13th, 2012...

Algebra Number Sense Grades 6–8
Cruising
Cruising

There have been a lot of cruise ship mishaps and disasters this year. While these are in the news, let your students consider how these floating cities manage...

Algebra Number Sense Grades 5–8