1 2 3 4 M. R. Alfredo Perez Resident Mathematician Texas A&M University GK-12 Program RACE!

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M.M.M.M.M.M.R.R.

Alfredo Perez Resident Mathematician

Texas A&M UniversityGK-12 Program

RACE!RACE!

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MMMR ReviewMMMR Review• Always rearrange numbers from

LOWER to HIGHER • MEAN: (Sum of all values) / No. of values• MEDIAN: Middle value or mean of two

middle values • MODE: Value that occurs most often• RANGE: Greatest value – Least value

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ExampleExample• Find the mean, median, mode, and range:

13, 18, 13, 14, 13, 16, 14, 21, 13

MEAN: (13 + 18 + 13 + 14 + 13 + 16 + 14 + 21 + 13) ÷ 9 = 15

MEDIAN: 14

MODE: 13

RANGE: 21 – 13 = 8

Rearrange: 13, 13, 13, 13, 14, 14, 16, 18, 21

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Race RulesRace Rules• Play in teams of 4• Work with your team to find the

MEAN, MEDIAN, MODE, and RANGE• Write answers on the results sheet*

• Raise results sheet when done writing answers• The sooner you cross the finish line, the more

points you receive• Team with the most points wins!

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On your marks…On your marks…

Get set…Get set…

GO!GO!

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Race No. 1Race No. 1

4 2 3 4 1 7 10 8 4 74 2 3 4 1 7 10 8 4 7

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GO!GO!

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15 3 7 1 0 9 6 4 2 315 3 7 1 0 9 6 4 2 3

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GO!GO!

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17 1 17 6 1 10 1 1117 1 17 6 1 10 1 11

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GO!GO!

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17 23 17 11 14 11 23 20

End of the Race!End of the Race!

ResultsResultsRace 14 2 3 4 1 7 10 8 4 7Reordered:1 2 3 4 4 4 7 7 8 10Mean: 5Median: 4Mode: 4Range: 9

Race 317 1 17 6 1 10 1 11Reordered:1 1 1 6 10 11 17 17Mean: 8Median: 8Mode: 1Range: 16

Race 215 3 7 1 0 9 6 4 2 3Reordered:0 1 2 3 3 4 6 7 9 15Mean: 5Median: 3.5Mode: 3Range: 15

Race 4

17 23 17 11 14 11 23 20 Reordered:11 11 14 17 17 20 23 23 Mean: 17Median: 17Mode: 11, 17, 23Range: 12

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and the winner is…and the winner is…

??????

1 2 3 4 M. R. Alfredo Perez Resident Mathematician Texas A&M University GK-12 Program RACE!

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