Showing 219 activities

Results

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 3–6
HDTV Surprise!
HDTV Surprise!

How were your holidays? Your school vacation? Mine was good. I surprised my family with this HDTV, which I wrapped and hung on our wall. The size of...

Number Sense Geometry Grades 6–HS
California wildfire
California wildfire

Wildfires are burning in the Sierra Nevada Mountains near Yosemite National Park. In this activity we ask students to examine various maps of this California region, calculate distances...

Number Sense Geometry Grades 4–7
Crop circles
Crop circles

In the travel section of our newspaper this week, Wiltshire, England was a recommended destination to see Stonehendge and crop circles ........... crop circles? Many of the crop...

Algebra Geometry Grades 4–7
My teacher says this stream is parabolic.  Is he correct?
My teacher says this stream is parabolic. Is he correct?

Instead of asking students to just believe what you've said, why not ask them to verify your assertions? Students plot the points of the stream, perhaps map them...

Algebra Number Sense Grades 7–HS
Ladder figuring
Ladder figuring

Brian can't even go to his town's spring festival without seeing math. Let your class approximate the height or length of this ladder by using the relative size...

Algebra Number Sense Grades 5–HS
Twinkies
Twinkies

Brian loves Twinkies and the news that Hostess is going out of business has upset him terribly. He needs his Twinkies. Twinkies last forever. Right? He's going to...

Number Sense Geometry Grades 4–6
Is this possible?
Is this possible?

Brian Shoemaker, a Newton, MA mathematics teache r, saw this Dunkin Donuts Mazda traveling down the road. He wondered if that size coffee cup could really have coffee...

Algebra Number Sense Grades 6–HS
What time is it in Cambodia?
What time is it in Cambodia?

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...

Algebra Number Sense Grades 4–7
The tallest structure made of Legos
The tallest structure made of Legos

Act One: The world record for the tallest structure made of Legos was set in Seoul, South Korea. Check out this video on youtube! What other questions do...

Number Sense Math and Social Studies Grades 3–6
Storm cleanup
Storm cleanup

This activity could be used as an introduction to trig ratios. Students figure out the approximate length of the huge branch that I have to fell for safety...

Algebra Number Sense Grades 6–HS
Linsanity
Linsanity

Jeremy Lin is the New York Knicks most startling player. His story is exciting in that he graduated from Harvard in 2010 and was not immediately drafted into...

Algebra Number Sense Grades 5–6