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Year 7 - Maths

Plotting coordinates generated from a rule using technology

Plotting coordinates

Unit Summary

In this unit pupils revisit and further develop their understanding of the coordinate plane, and learn how to plot non-integer coordinates. Pupils then plot from an equation both by hand and by using technology.

Lesson Summary

You will learn to use technology to quickly represent a set of coordinates graphically.

Key Notes

Coordinates can be entered onto Desmos and they will be plotted.
A rule can be entered in Desmos to generate coordinates.
It is possible to spot coordinates that are not following the rule easily using Desmos.
Desmos can be used to create mathematical shapes and pictures using coordinates.

Vocabulary To Learn

Origin: The origin is where the $$x$$-axis and $$y$$-axis cross. It has the coordinate pair (0,0).

Common Mistakes To Avoid

Pupils may think that coordinates that make a square/ rectangle follow a linear pattern.

3 Quick Questions (With Answers)

1. Solve this in steps: explain the method from this lesson and why each step matters.

Coordinates can be entered onto Desmos and they will be plotted. A rule can be entered in Desmos to generate coordinates.

2. Use this key word in a maths sentence and explain it clearly. 'Origin'

The origin is where the $$x$$-axis and $$y$$-axis cross. It has the coordinate pair (0,0). Use this word when showing your method, then check your final answer is reasonable.

3. Spot and fix this common maths mistake.

Mistake: Pupils may think that coordinates that make a square/ rectangle follow a linear pattern. Correction: In order for coordinates to follow a rule written as an equation, there needs to be a relationship between the values within a coordinate.

More Lessons In This Unit

Browse all guides in the Year 7 Maths guide library.