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