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Graphing Relationships

In this topic, we learn to match simple graphs with situations and write situations for given graphs. We also learn to sketch graphs and identify them as Continuous or Discrete.

Topic: Relate Graphs to Situations

  • Graphs can be used to illustrate many different situations. For example, trends shown on a cardiograph can help a doctor see how a patient’s heart is functioning

  • To relate a graph to a given situation, use key words in the description

  • Steps to follow to relate a graph to a given situation:
    Step 1: Read the graphs from left to right to show time passing
    Step 2: List key words in order and decide which graph shows them
    Step 3: Pick the graph that shows all the key phrases in order

Topic: Sketch Graphs for Situations

  • Some graphs are connected lines or curves called continuous graphs

  • Some graphs are only distinct points. They are called discrete graphs

Topic: Write Situations for Graphs

  • Graphs can be used to illustrate many different situations. For example, trends shown on a cardiograph can help a doctor see how a patient’s heart is functioning

  • Steps to follow to write a possible situation for a graph:
    Step 1: Identify labels 
    Step 2: Analyze sections
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