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Will I pay less if I buy more?
Will I pay less if I buy more?

image designed by macrovector / Freepik This activity can be used in a large range of grade levels. Your class can work on percents, linear equations or piecewise...

Algebra Number Sense
Veterans Day, 2023
Veterans Day, 2023

This activity will be updated before October, 2026. Stay tuned! On Veterans Day we honor the men and women that have served in the Armed Forces of the...

Algebra Social Studies Grades 4–HS
DST ends November 5th, 2023 - strange happenings
DST ends November 5th, 2023 - strange happenings

In this activity students try to figure out how time settings will change as they move from place to place and in the serious weirdness of Arizona and...

Algebra Number Sense Grades 4–HS
Leslie's Yummy Pumpkin Pie
Leslie's Yummy Pumpkin Pie

Every year more and more people come to our house on Thanksgiving morning for my (Leslie's)famous pumpkin pie and a hike in the nearby woods. This year 23...

Algebra Number Sense Grades 3–5
Nobel Prizes
Nobel Prizes

The Nobel Prizes have just been awarded. This is the medal that is given to the winners. What do you know about the Nobel Prize? Who do you...

Algebra Number Sense Grades 5–HS
Indigenous Peoples or Columbus Day
Indigenous Peoples or Columbus Day

When Columbus landed in Guanahani (renamed San Salvador, Bahama Islands by Columbus), he began the European settlement of the New World. Guanahani was inhabited by the Taíno people...

Algebra Geometry Grades 4–HS
Will this be an El Niño winter?
Will this be an El Niño winter?

The Oceanic Niño Index (ONI) started to show changes to the Pacific Ocean surface temperatures in April and May of this year. Those temperatures are still rising which...

Number Sense Math and Science Grades 3–HS
Will sending you back to school this year cost a fortune?
Will sending you back to school this year cost a fortune?

This activity is scheduled to be updated in August 2026. Stay tuned! With high inflation rates, supply shortages, and rethinking what is essential spending, back to school spending...

Algebra Number Sense Grades 3–HS
Summer Solstice, the longest day
Summer Solstice, the longest day

Sunrise on the summer solstice at Stonehenge June 21st, at 10:57 am EDT, the Earth's North Pole will be tilted as far towards the Sun as it will...

Algebra Science Grades 5–HS
Father's Day and Juneteenth; 3 Activities
Father's Day and Juneteenth; 3 Activities

For Father's Day (Links to different activities) Thank you, mother and father, for all of those diapers - Students compare the cost of buying disposable versus cloth diapers....

Algebra Number Sense Grades 3–HS
How many hot chocolate scoops do I need?
How many hot chocolate scoops do I need?

Even though it is now Spring, here in New England we are still chilled and hope that some hot chocolate will warm us up.  Clicking on the...

Number Sense Math and Food Grades 2–4
Giant beach towel
Giant beach towel

Beaches are starting to open again. Bring summertime smiles and hopes to your class with this activity. Towel project by Misael Soto. Act One: Check out this beach...

Geometry Math and Art Grades 4–HS