Perpendicular Lines, Straight Line Graphs
Key Stage: 3 ★★
Can you find if the lines are at right angles? How might some tilted squares be able to help?
This problem challenges students to use what they know about gradients to make general statements about the gradients of perpendicular lines.
This is a suitable preparation for students who are about to move on to an exploration of Pythagoras' Theorem or Straight Line Graphs
This resource has comprehensive teachers' notes and resources, linked from the problem page. This includes possible approaches and key questions, as well as possible support and extensions.
The file attached is a HTML file, which, when opened, automatically redirects you to the problem on the NRICH website.
Key Stage: 3 ★★
Can you find if the lines are at right angles? How might some tilted squares be able to help?
This problem challenges students to use what they know about gradients to make general statements about the gradients of perpendicular lines.
This is a suitable preparation for students who are about to move on to an exploration of Pythagoras' Theorem or Straight Line Graphs
This resource has comprehensive teachers' notes and resources, linked from the problem page. This includes possible approaches and key questions, as well as possible support and extensions.
The file attached is a HTML file, which, when opened, automatically redirects you to the problem on the NRICH website.
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Another nice resource from Nrich can be used for both KS3 and KS4
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