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Exploring The
Denali Region Unit
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Travel Time Math
Online Tests
Travel Time: Comparing Travel Speeds
Remember:
- Each person starts at mile 3.4 of the park road
- The overlook is at mile 9.4 of the park road
- It is uphill the entire way from the parking lot to the overlook
Use the Information Below to Answer Each Question
Debbie
, an Iditarod musher, travels at 12 miles per hour when her dog team is going uphill, and 15 miles per hour when traveling downhill.
Mike
can snowshoe at 2 miles an hour going up hill, and 3 miles per hour going downhill.
Jerry
can ski at 9 miles per hour going up hill and 24 miles per hour going downhill.
Ellie
drives the park road at 30 miles per hour in her bus, going the same speed uphill and downhill.
Questions:
1. Who goes fastest uphill?
Debbie with her dog sled
Mike on snowshoes
Jerry on skis
Ellie driving her bus
2. Debbie challenges Gerry
to a race from the trailhead to the overlook. Who wins?
Debbie
Jerry
3. Once at the Mt. McKinley overlook
, they decide to race back to the trailhead. Who wins?
Debbie
Jerry
4. Did the same person win both races?
Yes
No
If not, why?
(Answer in one sentence)
5. Two visitors travel to Denali in December.
They hope to spot a moose in the park, and have no transportation preferences. They know that they are most likely to spot a moose if they travel as slow as possible. Out of the 4 different types of transportation listed above, what would you recommend they use to access Denali?
A Dog Team
Snowshoes
Skis
A Bus
Why?
(Answer in one sentence)
