Investigating the equation of a straight line

A complete introduction to straight-line graphs using Desmos for KS3 or lower KS4.
The resource takes students through investigations which will help them discover:
- which equations will produce straight lines
- which part of the equation tells us the y-intercept
- which part of the equation tells us the gradient.
- positive and negative gradients
- horizontal and vertical lines
- the final section contains a set of review questions
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08/12/2020
21/01/2020
11/05/2019
04/12/2018
Great learning task that challenges the student to think and write mathematically.
06/04/2018
Lovely investigation into straight lines using Desmos.
13/11/2017