Negative rate of change from a graph
I can calculate the negative rate of change (gradient) from a graph.
Negative rate of change from a graph
I can calculate the negative rate of change (gradient) from a graph.
These resources will be removed by end of Summer Term 2025.
Lesson details
Key learning points
- Graphs can be described by looking at how quickly they fall.
- The amount y decreases when x increases by one is the rate of change and is called the gradient.
- The gradient will be negative if y decreases as the graph moves to the right.
- The gradient can be found from any linear graph.
- The gradient tells us important information about the relationship.
Keywords
Gradient - The gradient is a measure of how steep a line is.
Absolute value - The absolute value of a number is its distance from zero.
Parallel - Two lines are parallel if they are straight lines that are always the same (non-zero) distance apart.
Common misconception
Pupils may think lines with gradients 2 and -2 are parallel.
Lines have to have the exact same gradient to be parallel. A line with a negative gradient will intersect a line with a positive gradient .
To help you plan your year 8 maths lesson on: Negative rate of change from a graph, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 8 maths lesson on: Negative rate of change from a graph, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
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The assessment exit quiz will test your pupils' understanding of the key learning points.
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Explore more key stage 3 maths lessons from the Graphical representations of linear equations unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
Licence
Starter quiz
6 Questions









Exit quiz
6 Questions


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3
B (black) -Â
2
C (pink) -Â
1
D (blue) -Â
-1
E (green) -Â
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