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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
Total solar eclipse - apparent sizes
Total solar eclipse - apparent sizes

Where will the eclipse be seen? What if you are not in the path of totality? Total solar eclipse? What is apparent size? How can the moon seem...

Algebra Geometry High School
Giant iceberg breaks off from Antarctica
Giant iceberg breaks off from Antarctica

The crack in Antarctica's Larson C ice shelf has been growing for years (2017). Has the speed of the rift's growth stayed about the same? increased? decreased? Do...

Math and Science Current events Grades 5–HS
Drinks at the Fair
Drinks at the Fair

At the amusement park, our friend, Jason, was intrigued with this sign for drink deals. He and his family come often to the park and, during the summer...

Algebra Food Grades 6–HS
New Pirates of the Caribbean (2017) - How profitable?
New Pirates of the Caribbean (2017) - How profitable?

The fifth Pirates of the Caribbean movie opened on Friday, May 26 th ,2017. Your students might be looking forward to seeing this movie and motivated to understand...

Algebra Ratio and Proportion Grades 5–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
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
Chicken to share
Chicken to share

How many pieces does each person get when $10 is supposed to feed two people? Which would you buy and how much is each piece of your choice?...

Number Sense Math and Food Grades 4–6
April's calf was born!
April's calf was born!

At about 10:00 am, April 15th, April's calf was born. Everyone will be talking about it and smiling constantly. Here's some fun math stuff to bring with you...

Algebra Number Sense Grades 4–7
Patriots' Day
Patriots' Day

We celebrate Patriots' Day to commemorate the beginning of the Revolutionary War and the battles of Lexington and Concord. Students learn more about the difficulties of the Revolutionary...

Number Sense Math and Social Studies Grades 4–7
New baby giraffe
New baby giraffe

Willow at Baltimore, MD Zoo Willow weighed 125 pounds at birth and was 6 feet 1 inch tall. She will grow to her adult height of around 14...

Algebra Number Sense Grades 5–6