Showing 385 activities

Results

Spiraling triples
Spiraling triples

Let students explore the patterns of perfect squares and Pythagorean Triples as they analyze our piece of art and decide why the resulting construction looks like spiraling squares....

Number Sense Geometry Grades 6–HS
Is my son going to win again?
Is my son going to win again?

Brian son's pretty young but is he still going to whoop his dad? They were playing Monopoly Junior. Can you decide who will win? In this activity use...

Algebra Number Sense Grades 1–4
Population Clock
Population Clock

How in the world does this clock conclude that there is a net gain in the United States of one person every 14 seconds? Have a little care...

Algebra Number Sense Grades 3–7
Immigration numbers
Immigration numbers

Here's an opportunity to work with calculating percents and the percent changes in the U.S. immigrant population. Students can reflect on what those changes demonstrate. Start your class...

Algebra Math and Social Studies Grades 5–HS
Layla's antibiotics
Layla's antibiotics

Layla The dosage of Layla's medication was confusing to our friend Kim. How many days was she supposed to give Layla the meds? How many pills does she...

Number Sense Grades 4–6
How much does the biggest Lego set ever cost?
How much does the biggest Lego set ever cost?

Picture from the Verge. Click to see the story. Note: This is a remake of our 2014 " How Much Does a Lego Cost " activity How much...

Algebra Number Sense Grades 5–6
How many cars are there?
How many cars are there?

Brian came home from work to find that his son had his toy cars organized in a tight parking lot on our front porch. ? Below is a...

Number Sense Geometry Grades 2–4
Saving Water Bottles
Saving Water Bottles

In my grocery store they now have these new water bottle refilling stations. You can simply refill your own container with water instead of buying a six-pack of...

Algebra Math and Science Grades 7–HS
Proposed southern border wall
Proposed southern border wall

You have probably heard about the proposed border wall that may go up along the U.S./Mexico border. How much wall needs to be built? How much will that...

Number Sense Math and Social Studies Grades 4–6
A gorgeous, glittery card
A gorgeous, glittery card

Uh oh! How do you find the area of a heart? Get your students to help you calculate how many sequins you'll need to order for this class...

Number Sense Geometry Grades 2–7
Measuring sea level
Measuring sea level

What does this gizmo do? We've given students a diagram of what the interior of this mechanism contains and asked them to try to decide what its purpose...

Algebra Number Sense Grades 5–HS
Giant iceberg
Giant iceberg

Ferryland, Newfoundland. JODY MARTIN / REUTERS This giant iceberg drifted past Ferryland, Newfoundland in 2017. It's hard to tell how large it actually is, but it looks huge....

Number Sense Geometry Grades 4–HS