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Grade 7’s looking at scatter plots that show changes over time.

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  1. 1. Tinkerplots Grade 7’s looking at scatter plots that show changes over time.
  2. 2. Music from:
  3. 3. How have Olympic records changed over time for the Mens’ 100m swimming, Mens’ 1500m swimming and Mens’ Pole Vault? What is the overall trend of the data?”
  4. 4. Men's 100 freestyle sw imming 1500m sw imming Men's pole vault Circle Icon Circle Icon Circle Icon
  5. 5. How did the records change over time?
  6. 6. New technology
  7. 7. What is the overall trend? Different styles of clothes? Different styles of swimsuits? What does data mean? What is the trend over the years?
  8. 8. Shape of the line? .
  9. 9. Why are dots (cases) close together?
  10. 10. 1500m
  11. 11. Pole Vault
  12. 12. How did the 100m records change over time? • It sloped and got faster. • Going down. • Better swimmers and technology and better trainers too. • People got fitter with the new technology. • The record changed because of technology advances through time such as fitness machines and clothes specialised for swimming. • They got faster and the swimming suits changed and people train more.
  13. 13. What is the overall trend? • It changed by the swimming suits got lighter and sexier! • Lycra swimming suits. • People got faster so the slope has gone down. • The data shows that some periods of time were more competitive than others. • It goes in a diagonal line but has a bit of a slope in it. • It changed each year.
  14. 14. How did the Pole Vault records change over time? • They use a pole to jump over the bar. • Their score has gotten higher but from 1980-2010 they’ve pretty much stayed the same. • The record probably advanced because of fitter healthier people and better poles. • Over the years people could jump higher. • It went low to high.
  15. 15. What is the overall trend of the Pole Vault data? • They changed the material of the pole. • It slopes upwards this time because their height is increasing. • The data show that people achieved new heights that were incredibly high. It shows that there was a new record most Olympic games and it also shows a lot or records were close. • People could jump higher so the graph’s slope has gone up. • The clothes were heavy but they got lighter so they could jump higher.