Activities about percent change

Scary Halloween Numbers

Each year, we seem to spend more on Halloween! Are we surprised? In this updated activity, students will look at the rising Halloween participation and record-breaking spending to...

Algebra Number Sense Grades 6–7

Banana Art "Comedian"

What do you think this activity might be about? What do you wonder? How much would you pay for this piece of art? How much profit is involved...

Algebra Number Sense Grades 6–HS

Steepness and fall hiking

Fall is a beautiful time of year for hiking. Many students will be walking in the woods and mountains to enjoy the colorful leaves and the cool weather...

Algebra Number Sense Grades 7–HS

Bears Ears revisited

There is some beautiful land in Utah that was changed last year from federally protected land to Utah overseen land. The buttes of Bears Ears (shown above) and...

Math and Social Studies Current events Grades 6–HS

Should I get the Big One?

Let your students decide if the BIG one is a fair deal. Which size will they get? Which size offers the most value? Make a guess, then do...

Algebra Math and Food Grades 7–8

Occupy Wall Street protest is growing

The Occupy Wall Street (OWS) movement has grown since it began on September 17th. Students can look at charts that show percent mentions of the demonstrations and calculate...

Number Sense Math and Social Studies Grades 6–8