Pitching

1. Pitching EveryRightAnswer CLICK BELOW TO BEGIN! Using a baseball statistic to help you learn math!

2. Useful Tips This button will take you to the HOME screen This Button will advance you to the next page This button will take you to the previous page This button will take you to the Exam

3. Home Video on ERA Learning ERA Practicing ERA Ranking ERA Batters Up! Exam Click on an exercise to get warmed up. Or, you could watch a video on ERA for some extra stretching. When your arm is nice and loose, go a head and take the mound by taking the exam.

4. Learning ERA Earned Run Average • ERA stands for: • It is a way of telling how productive a pitcher is during the course of a season, and his career.

5. Learning ERA • Earned Run: “Every time a run scores on a hit, sacrifice, sacrifice fly, wild pitch, bunt, base on balls, stolen base, fielder's choice, put-out, or balk a pitcher will be charged an earned run.”

6. Learning ERA • Sacrifice Fly:”Occurs when a batter’s caught fly ball ends in a runner tagging up and advancing to the next base”

7. Learning ERA • Wild Pitch: “Any pitch that bounces on the ground and allows the runners to advance to the next base.”

8. Learning ERA • Base on Balls: “An award of first base o a batter receiving four balls pitched outside of the strike zone.” • Base on balls and the term “walk” mean the same thing.

9. Learning ERA • Stolen Base: “The act of a runner gaining a base without the help of a hit, an error, or a walk. Occurs when the pitched ball is on its way to the batter.”

10. Learning ERA • Fielder’s Choice:When a fielder elects to throw the ball to a point other than first base to record a put-out

11. Learning ERA • Balk: An illegal maneuver by the pitcher when there is a runner or runners on the base. The runners automatically proceed to the next base when balk is called.

12. Learning ERA • Unearned Run:A run scored as the result of defensive errors

13. Learning ERA What is a good ERA? • An ERA is an average, therefore, a smaller average of earned runs scored is better than a larger average of earned runs scored. Low ERA High ERA • Click home to go to the next section

14. Practicing ERA Equation for finding ERA: # of EARNED runs # of innings pitched 9 • You multiply by 9 because an ERA is the average number of earned runs a pitcher gives up per full game. A regular baseball game consists of 9 innings.

15. Practicing ERA 9 2 1 6 7 4 8 5 10 3 -Click a number to get started

16. Practicing ERA • Which is the correct ERA for Chicago Cubs pitcher Ryan Dempster? • 2011 Pitching Statistics Innings Pitched:202.1 Earned Runs:108 Walks:82 Strike outs: 191 4.80 22.2 1.87

17. Practicing ERA Nice Pitch! • Ryan Dempster earned a 4.80 ERA during the 2011 season

18. Practicing ERA You Walked Him! • Try again by clicking the back button. • Remember: [# of EARNED runs ÷ # of innings pitched × 9]

19. Practicing ERA • Which is the correct ERA for New York Yankees pitcher Mariano Rivera? • 2011 Pitching Statistics Innings Pitched:61.1 Earned Runs:13 Walks:8 Strike outs: 60 4.70 1.20 1.91

20. Practicing ERA Nice Pitch! • Mariano Rivera earned a 1.91 ERA during the 2011 season

21. Practicing ERA You Walked Him! • Try again by clicking the back button. • Remember: [# of EARNED runs ÷ # of innings pitched × 9]

22. Practicing ERA • Which is the correct ERA for Miami Marlins pitcher Ryan Webb? • 2011 Pitching Statistics Innings Pitched:50.2 Earned Runs:18 Walks:20 Strike outs: 31 1.08 3.20 2.63

23. Practicing ERA Nice Pitch! • Ryan Webb earned a 3.20 ERA during the 2011 season

24. Practicing ERA You Walked Him! • Try again by clicking the back button. • Remember: [# of EARNED runs ÷ # of innings pitched × 9]

25. Practicing ERA • Which is the correct ERA for Colorado Rockies pitcher Matt Reynolds? • 2011 Pitching Statistics Innings Pitched:50.2 Earned Runs:23 Walks:1 Strike outs: 50 3.09 1.09 4.09

26. Practicing ERA Nice Pitch! • Matt Reynolds earned a 4.09 ERA during the 2011 season

27. Practicing ERA You Walked Him! • Try again by clicking the back button. • Remember: [# of EARNED runs ÷ # of innings pitched × 9]

28. Practicing ERA • Which is the correct ERA for San Francisco Giants pitcher Tim Lincecum? • 2011 Pitching Statistics Innings Pitched:217 Earned Runs:66 Walks:86 Strike outs: 220 4.27 7.24 2.74

29. Practicing ERA Nice Pitch! • Tim Lincecum earned a 2.74 ERA during the 2011 season

30. Practicing ERA You Walked Him! • Try again by clicking the back button. • Remember: [# of EARNED runs ÷ # of innings pitched × 9]

31. Practicing ERA • Which is the correct ERA for Cincinnati Reds pitcher Bronson Arroyo? • 2011 Pitching Statistics Innings Pitched:199 Earned Runs:112 Walks:45 Strike outs: 108 1.67 7.05 5.07

32. Practicing ERA Nice Pitch! • Bronson Arroyo earned a 5.07 ERA during the 2011 season

33. Practicing ERA You Walked Him! • Try again by clicking the back button. • Remember: [# of EARNED runs ÷ # of innings pitched × 9]

34. Practicing ERA • Which is the correct ERA for Washington Nationals pitcher Stephen Strasburg? • 2011 Pitching Statistics Innings Pitched:24 Earned Runs:4 Walks:2 Strike outs: 24 1.50 1.00 2.05

35. Practicing ERA Nice Pitch! • Stephen Strasburg earned a 1.50 ERA during the 2011 season

36. Practicing ERA You Walked Him! • Try again by clicking the back button. • Remember: [# of EARNED runs ÷ # of innings pitched × 9]

37. Practicing ERA • Which is the correct ERA for St. Louis Cardinals pitcher Chris Carpenter? • 2011 Pitching Statistics Innings Pitched:237.1 Earned Runs:91 Walks:55 Strike outs: 191 5.34 3.45 4.53

38. Practicing ERA Nice Pitch! • Chris Carpenter earned a 3.45 ERA during the 2011 season

39. Practicing ERA You Walked Him! • Try again by clicking the back button. • Remember: [# of EARNED runs ÷ # of innings pitched × 9]

40. Practicing ERA • Which is the correct ERA for Milwaukee Brewers pitcher Randy Wolf? • 2011 Pitching Statistics Innings Pitched:212.1 Earned Runs:87 Walks:66 Strike outs: 134 3.69 3.96 3.66

41. Practicing ERA Nice Pitch! • Randy Wolf earned a 3.69 ERA during the 2011 season

42. Practicing ERA You Walked Him! • Try again by clicking the back button. • Remember: [# of EARNED runs ÷ # of innings pitched × 9]

43. Practicing ERA • Which is the correct ERA for Atlanta Braves pitcher Tim Hudson? • 2011 Pitching Statistics Innings Pitched:215 Earned Runs:77 Walks:56 Strike outs: 158 3.22 2.32 2.23

44. Practicing ERA Nice Pitch! • Tim Hudson earned a 3.22 ERA during the 2011 season

45. Practicing ERA You Walked Him! • Try again by clicking the back button. • Remember: [# of EARNED runs ÷ # of innings pitched × 9]

46. Practicing ERA BONUS • Chicago Cubs pitcher, Kerry Wood, had a 3.35 ERA with 19 earned runs. • Find the number of innings he pitcher during the 2011 season. Be careful because you only get one shot! 9.60 D)10.1 6.70 E)51.0 70.6 F)60.9

47. Practicing ERA Nice Pitch! • Kerry Wood Pitched 51.0 innings during the 2011 season

48. Practicing ERA You Walked Him! • It’s okay, you’ll get him next time. Keep your head up and keep working hard! • Remember: [# of EARNED runs ÷ # of innings pitched × 9]

49. Ranking ERA Remember? • An ERA indicates the average number of earned runs a pitcher gives up per game (9 innings). So, a low ERA is more desirable than a high ERA. Low ERA High ERA

50. Ranking ERA • Presented with a list, rank the given ERA’s in order of best ERA to worst ERA. • [1.69, 3.75, 1.96, 4.30, 2.01] 2.01, 3.75, 4.30, 1.69, 1.96 1.69, 1.96, 2.01, 3.75, 4.30 4.30, 3.75, 2.01, 1.96, 1.69 2.01, 3.75, 1.96, 4.30, 1.69