Checking and securing understanding of accurate drawings
I can accurately construct circles and triangles using a pair of compasses and protractor respectively.
Checking and securing understanding of accurate drawings
I can accurately construct circles and triangles using a pair of compasses and protractor respectively.
Lesson details
Key learning points
- A pair of compasses can be used to draw a circle with a particular radius.
- A ruler and protractor can be used to accurately draw a triangle given enough information.
- A ruler and a pair of compasses can also be used to accurately draw a triangle where the side lengths are known.
Common misconception
Pupils read from the incorrect values on the protractor.
Encourage pupils to consider the type of angle they are drawing. If it is an acute angle, will it really measure 122°?
Keywords
Pair of compasses - A pair of compasses is a tool which can be used to draw circles and arcs. A pair of compasses is sometimes referred to just as a compass.
Radius - The radius is any line segment that joins the centre of a circle to any point on its circumference.
Congruent - If one shape can fit exactly on top of another using rotation, reflection or translation, then the shapes are congruent.
Arc - An arc is part of a curve. An arc of a circle is part of the circle’s circumference.
Licence
This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).
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Starter quiz
6 Questions
Exit quiz
6 Questions
