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Wide Open School
Common Sense - Wide Open School

Wide Open School is a free and open collection of online learning activities for PreK-12th grade students and families. It includes the subject areas of Science, Math, Social Studies, Reading, and Writing.

NRICH: Scooters, Bikes and Trikes
NRICH (University of Cambridge)

When waiting for a ride on outdoor toys, children can consider which route they might take around the outside area and how long they will spend on their toy.

ABCya! Time Travel Learn to Tell Time
ABCya!

Learn to Tell Time!

StarTalk: Time Lords - The Science of Keeping Time
StarTalk

The Nerdist Chris Hardwick and his trusty sidekick Matt Mira provide Dr. Who references and some timely humor for our show about clocks, calendars, and leaps in time.

OLogy: Space and Time
OLogy (American Museum of Natural History)

How do you describe your place in the 4th dimension?

OLogy: Light, Matter, and Energy
OLogy (American Museum of Natural History)

Where did Einstein get his great ideas? Find out with this virtual tour.

youcubed: Walking the Graph
youcubed (Stanford University)

Students often find the interpretation of graphs extremely difficult – this has been shown in research and from many stories of interviews with college students and with younger students.

Real World Math: Concept Lessons - Time Zone Problems
Real World Math

This activity provides teachers and students with an interactive 3D model to calculate these differences in time. 

Real World Math: Concept Lessons - Around the World in 40 Hours
Real World Math

In this activity students will take part in a series of consecutive plane trips around the world while keeping track of the time for each time zone they land in. 

Illuminations: Grouchy Lessons of Time
Illuminations (National Council of Teachers of Mathematics)

This lesson provides an introduction to and practice with the concept of time.

Illuminations: Finding Our Top Speed
Illuminations (National Council of Teachers of Mathematics)

This lesson sets the stage for a discussion of travel in the solar system.

NRICH: Stop the Clock
NRICH (University of Cambridge)

This is a game for two players. Can you find out how to be the first to get to 12 o’clock?