Year 5 Properties of Shape – Calculating angles on a straight line – Lesson 5

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Description

In this lesson, children use their knowledge of right angles and straight angles to calculate missing angles along a straight line. There is a teaching presentation accompanied by differentiated activities with a range of fluency, reasoning and problem-solving questions.

know angles are measured in degrees: estimate and compare acute, obtuse and reflex angles
draw given angles, and measure them in degrees (°)
identify:
angles at a point and 1 whole turn (total 360°)
angles at a point on a straight line and half a turn (total 180°)
other multiples of 90°

Differentiation:

There are three levels of differentiation in this pack: ‘working towards,’ ‘expected’ and ‘greater depth’.

Level of this Pack:

Age: 9-10