Line Graphs and Curve Graphs
Learn how line graphs connect points with straight line segments, while curved graphs use a smooth curve. Let's get started! 🚀
Video Lesson
Watch and learn the basics
Flashcards
Review key concepts visually
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%20When%20Curve%20Graphs%20are%20More%20Appropriate.webp)
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🛎️ How to Draw a Line Graph?
- Plot each pair of values from a table as a dot on the graph.
- Join neighbouring dots with straight lines.
🛎️ How to Read a Line Graph?
- Use the x-axis to find the input (the input is often time).
- Read across to the line, then down the y-axis to find the output.
🛎️ When to Use a Curve Graph?
- Use a curve when the relationship is not linear.
- Fit the data points with one smooth curve.
🛎️ Line Graphs vs. Curve Graphs
- Line graphs use straight lines to show changes over time.
- Curve graphs use one smooth curve for more complex relationships.
Practice Questions
Test your understanding
At 2 PM, what was the temperature?
Correct! 🎉 +10 pointsNot quite right
The graph shows that at 2 PM, the temperature was .
According to the graph, during which period did the temperature drop?
Correct! 🎉 +10 pointsNot quite right
The graph shows a fall in temperature between 2 PM () and 3 PM ().
How many ice creams were sold in total from Monday to Wednesday?
Correct! 🎉 +20 pointsNot quite right
The ice creams sold were 10 on Monday, 20 on Tuesday, and 15 on Wednesday. Adding them gives .
By how many ice creams did sales increase from Thursday to Friday?
Correct! 🎉 +20 pointsNot quite right
Sales increased from 25 on Thursday to 50 on Friday. The increase is ice creams.
What was the average number of ice creams sold per day over the weekend?
Correct! 🎉 +20 pointsNot quite right
The total ice cream sales over the weekend were 50 on Saturday and 30 on Sunday, giving 80. The average is .
A curve graph shows the temperature of a cup of tea over time. The curve decreases steeply at first, then flattens as it approaches room temperature. What does the flattening of the curve represent?
Correct! 🎉 +30 pointsNot quite right
The flattening of the curve shows that the tea is cooling more slowly as it approaches room temperature.
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Interactive Activity
Explore the difference between linear and curve graphs by interacting with the data points
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