Here's the first:
Levi’s Train
We are learning to use appropriate units for time
A train leaves the station on time. After it has gone 8km the driver looks at his watch and sees that the hour hand is exactly over the minute hand.
The average speed of the train over the 8km was 16KpH.
When did the train leave the station?
11:30
What if the train was traveling at 20KpH?
11:25
1 comment:
Hi Levi R, what strategies did you use to solve the problem? Can you blog about the Deci Challenge and those questionable words your group came up with?
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