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Alfredo Perez Resident Mathematician

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

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Alfredo Perez Resident Mathematician

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

  2. 1 2 3 4 MMMR 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

  3. 1 2 3 4 Example • Find the mean, median, mode, and range: 13, 18, 13, 14, 13, 16, 14, 21, 13 Rearrange: 13, 13, 13, 13, 14, 14, 16, 18, 21 MEAN:(13 + 18 + 13 + 14 + 13 + 16 + 14 + 21 + 13) ÷ 9 = 15 MEDIAN: 14 MODE: 13 RANGE: 21 – 13 = 8

  4. 1 2 3 4 Race 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!

  5. 1 2 3 4 On your marks… Get set… GO!

  6. 1 2 3 4 Race No. 1 4 2 3 4 1 7 10 8 4 7

  7. 1 2 3 4 On your marks… Get set… GO!

  8. 1 2 3 4 Race No. 2 15 3 7 1 0 9 6 4 2 3

  9. 1 2 3 4 On your marks… Get set… GO!

  10. 1 2 3 4 Race No. 3 17 1 17 6 1 10 1 11

  11. 1 2 3 4 On your marks… Get set… GO!

  12. 1 2 3 4 Race No. 4 17 23 17 11 14 11 23 20

  13. End of the Race!

  14. Results • Race 1 • 2 3 4 1 7 10 8 4 7 • Reordered: • 1 2 3 4 4 4 7 7 8 10 • Mean: 5 • Median: 4 • Mode: 4 • Range: 9 Race 3 17 1 17 6 1 10 1 11 Reordered: 1 1 1 6 10 11 17 17 Mean: 8 Median: 8 Mode: 1 Range: 16 Race 2 15 3 7 1 0 9 6 4 2 3 Reordered: 0 1 2 3 3 4 6 7 9 15 Mean: 5 Median: 3.5 Mode: 3 Range: 15 Race 4 17 23 17 11 14 11 23 20 Reordered: 11 11 14 17 17 20 23 23 Mean: 17 Median: 17 Mode: 11, 17, 23 Range: 12

  15. 1 2 3 4 and the winner is… ???

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