Primary 5 Math for October - Angles, Triangles and Quadrilaterals
Updated: Sep 26, 2020
Here's what students can expect for Primary 5 Math for the month of October.
In October, P5 students will be doing Angles, Triangles and Quadrilaterals.
What would be the concepts taught?
For Angles, they learn what are angles on a straight line, angles at a point and vertically opposite angles.
For triangles, they learn properties of isosceles triangles, equilateral triangles, right-angled triangles, acute-angled triangle and obtuse-angled triangle.
They also learn that angle sum of a triangle is 180°.
In addition, they have to draw triangles according to the given angles and lengths using a ruler, a protractor and set squares
For quadrilaterals, they learn the properties of parallelogram, rhombus and trapezium.
In addition, they have to draw quadrilaterals according to the given angles and lengths using a ruler, a protractor and set squares
Tips for this topic
Remembering the properties of the various triangles and quadrilaterals is very important as the questions will not mention these properties.
And without these properties, it may not be possible to answer the questions.
For properties that involve equal lengths or parallel or perpendicular lines, it will be good to label them on the diagram so as to solve them easily.
A very useful and commonly forgotten property is:
Let's have a look at this challenging question:
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