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?

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. 

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?

NRICH: Calendar Muddle
NRICH (University of Cambridge)

This activity encourages children to think about times of day and the order in which they do different activities throughout the day.

NRICH: Beat the Clock
NRICH (University of Cambridge)

Children use everyday language to talk about time, to compare quantities and to solve problems

NRICH: Timing
NRICH (University of Cambridge)

In this task, children will practise using a variety of timers to work out how many items they can put into a jar before the time finishes.

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.

But Why?: Why Do Days Start At 12 O'Clock?
But Why?

Answers to all of your time questions with Andrew Novick of NIST, the National Institute of Standards and Technology.

Museum of Ancient Inventions: Aztec Calendar Wheels
Smith College

The 260-day calendar, called a tzolkin, consists of two wheels, a larger one of twenty days and a smaller one with the numbers one through thirteen.