Introduction to Mapping

🎬 Video Tutorial

  • (0:01) Mapping Definition in Math: Mapping shows the relationship between two quantities, where each input (e.g., time) has a corresponding output (e.g., speed).
  • (1:10) Using Tables and Graphs for Mapping: Tables provide exact values for each pairing, while graphs allow easy visualisation of trends, such as changes in speed over time.
  • (1:55) When to Connect Points on Graphs?: Points are connected to show continuous changes, like speed over time, but remain separate for distinct categories, like types of balls and their weights.

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Introduction to Mappings

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Q: If the time (hours) is mapped to speed (km/h), which is the input quantity?

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Q: Which of the following is an example of a mapping?

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Q: Which of the following should not be represented by a connected line on a graph?

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Q: After 3 hours of driving, the car’s speed was 100 km/h. What does this mean in mapping terms?

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Q: The graph of a car's speed shows a flat horizontal line between the 3rd and 5th hours. What does this mean?

A line graph titled "Car's Speed Over Time," showing speed (km/h) on the y-axis and time (hours) on the x-axis.

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Q: A table shows hours and speeds. Which statement is true?

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