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Time

The problems in this section explore ideas of time including relations among units and converting from one unit to another within the same system.
 Related Resources

Interactive resources from our Math Tools project:
Math 7: Measurement: Time
The closest match in our Ask Dr. Math archives:
Middle School: Measurement
NCTM Standards:
Measurement Standard for Grades 68
Access to these problems requires a Membership.

Days on Other Planets
 Cynthia Lanius, Suzanne Alejandre

PreAlgebra, difficulty level 2. How old in Earth years would you be after spending time on another planet?
... more>>

A Happy New Year Wish
 Suzanne Alejandre, Ian Underwood

PreAlgebra, difficulty level 2. Explain how time differences are calculated and understood using
longitude.
... more>>

Power Outage
 Jackson Geometry Class

PreAlgebra, difficulty level 3. The power went out. Use the current reading on the clocks to determine when the power went out, and for how long.
... more>>

Sailing Around the World
 Leon Roland & class

PreAlgebra, difficulty level 2. Determine the amounts of the supplies that Giuseppi Linguini will need to sail around the world.
... more>>

Temperature Change
 Judy Ann Brown

PreAlgebra, difficulty level 2. Use the given information to find the temperature.
... more>>

Train Timetable
 Suzanne Alejandre

PreAlgebra, difficulty level 1. What is the minimum amount of time I can spend on the train commuting
to and from work in one week?
... more>>

Train Travel
 Annie Fetter & Ian Underwood

PreAlgebra, difficulty level 2. At what time does the end of the train emerge from the tunnel?
... more>>
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