What do you notice? What do you wonder?

 

A	B
48.532	82.13
48.561	82.75
48.626	82.81
48.634	83.07
48.708	82.80

The table shows the race times for 5 luge athletes.

1. How would the results of the race change if the times were recorded to the nearest second?

2. How would the results of the race change if the times were recorded to the nearest tenth of a second?
3. How would the results of the race change if the times were recorded to the nearest hundredth of a second?
4. An athlete records a time of 48.85 seconds to the nearest hundredth of a second. What could that time be if it was recorded to the thousandth of a second?
5. An athlete records a time of 48.615 seconds to the nearest thousandth of a second. What could that time be if it was recorded to the nearest hundredth of a second?

The table shows the top speeds of 5 luge athletes.

1. List the speeds in decreasing order.
2. Do any of these athletes have the same top speed if rounded to the nearest tenth of a mile per hour? To the nearest mile per hour?
3. A sixth athlete’s top speed is faster than Athlete 5’s but slower than Athlete 3’s. What could the top speeds of these 3 athletes be if they were each measured to the nearest thousandth of a mile per hour?