Year 4

Shape and symmetry: To identify right angles

Year 4

Shape and symmetry: To identify right angles

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Lesson details

Key learning points

  1. 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.

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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?
Correct answer: Acute
Obtuse
Reflex
Q2.
How many degrees in a right angle?
180°
60°
Correct answer: 90°
Q3.
How many degrees on a straight line?
Correct answer: 180°
45°
90°
Q4.
Which of these shapes can NEVER have a right angle?
Rectangle
Correct answer: Regular hexagon
Square
Q5.
What kind of angle is more than 90° and less than 180°
acute
Correct answer: obtuse
right angle

5 Questions

Q1.
How many right angles does this shape contain?
An image in a quiz
3
Correct answer: 4
none
Q2.
How many right angles does this shape contain?
An image in a quiz
2
3
Correct answer: none
Q3.
Which of these shapes contains at least 1 right angle?
An image in a quiz
1st shape
2nd shape
Correct answer: 3rd shape
Q4.
How many degrees in 3 right angles?
180°
Correct answer: 270°
360°
Q5.
Estimate this angle. Which guess is closest?
An image in a quiz
Correct answer: 180°
270°
300°