Holy Family Catholic School Decimals Performance Task Due Friday, November 15

Purpose: Decimal arithmetic

In the 2016 Summer Olympics results were printed for several events. You want to compare some of the times in several of your favorite events.

Name: ______

Score: ______1. (12pts) These are results from the 100m men’s .

Swimmer Time (sec) 52.4 52.43 51.97 52.7 Jiayu Xu 52.31

a. (3pts) Write the times from least to greatest.

b. (1pt) Who won the gold medal?

c. (1pt) Who won the silver medal?

d. (1pt) Who won the bronze medal?

e. (3pts) How much time would the silver medalist have to cut in order to have won the gold medal? Show work.

f. (3pts) How much would the fifth place medalist have to have cut in order to have gotten any medal? Show work.

2. (7pts) These are final results from the 100m women’s freestyle from 2012 and 2016.

2012 2016 Swimmer Time (sec) Swimmer Time (sec) Ranomi 53.00 52.7 Kromowidjojo Aliaksandra 53.38 52.7 Herasimenia Yi Tang 53.44 Sarah Sjostrom 52.99 53.47 53.04 53.54 Ranomi 53.08 Kromowidjojo

a. (2pts) Was Ramoni’s time better in 2012 or 2016?

b. (2pts) What place would Bronte have finished if her time was the same in 2012?

c. (2pts) Missy Franklin and Simone Manuel both raced for the . How much faster was Simone’s time?

d. (1pt) Name who won the gold medal in 2016.

3. (11pts) These are results from the final round of the 2016 men’s 10m platform diving. https://www.youtube.com/watch?v=cL8ZEdTQkVQ

Diver Scores Level of Difficulty David Boudia 6.5 6.0 6.0 6.5 4.5 6.0 6.5 3.7 German Sanchez 7.5 8.0 8.0 8.0 8.0 7.5 8.5 3.8 Aisen Chen 10 9.5 10 10 9.5 10 10 3.6

The two highest and lowest scores for each round are excluded. The sum of the remaining three scores is multiplied by the level of difficulty. a. (3pts) Calculate the score for David Boudia Show work.

b. (3pts) Calculate the score for German Sanchez. Show work.

c. (3pts) Calculate the score for Aisen Chen. Show work.

d. (2pts) By how many points did the gold medalist win? Show work.