Year 4
Year 4
Shape and symmetry: To identify right angles
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Lesson details
Key learning points
- In this lesson, we will recap the names of different types of angles. We will look specifically at right angles today and explore where they can be found. We will learn what makes an angle a right angle. We will make right angle checkers to help us investigate.
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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5 Questions
Q1.
What kind of angle is less than or equal to 45 degrees?
Obtuse
Reflex
Q2.
How many degrees in a right angle?
180°
60°
Q3.
How many degrees on a straight line?
45°
90°
Q4.
Which of these shapes can NEVER have a right angle?
Rectangle
Square
Q5.
What kind of angle is more than 90° and less than 180°
acute
right angle
5 Questions
Q1.
How many right angles does this shape contain?
3
none
Q2.
How many right angles does this shape contain?
2
3
Q3.
Which of these shapes contains at least 1 right angle?
1st shape
2nd shape
Q4.
How many degrees in 3 right angles?
180°
360°
Q5.
Estimate this angle. Which guess is closest?
270°
300°