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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 6-8

Access to these problems requires a Membership.

Days on Other Planets - Cynthia Lanius, Suzanne Alejandre
Pre-Algebra, 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
Pre-Algebra, difficulty level 2. Explain how time differences are calculated and understood using longitude. ... more>>

Power Outage - Jackson Geometry Class
Pre-Algebra, 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
Pre-Algebra, 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
Pre-Algebra, difficulty level 2. Use the given information to find the temperature. ... more>>

Train Timetable - Suzanne Alejandre
Pre-Algebra, 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
Pre-Algebra, difficulty level 2. At what time does the end of the train emerge from the tunnel? ... more>>

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