Describing a rotation's direction and size | Maths | Quizalize & Oak National Academy

Starter quiz

In which direction will this car be facing when it is rotated so its wheels touch the road?

left ✓

right
Which of these objects, when rotated by a quarter-turn, will fit into the space of this shape to complete a rectangle?
Complete this sentence: "When an object is rotated, the size of its angles are invariant. This means the lengths of the sides remain ______ ."

'invariant' ✓
Sam transforms an object and its orientation has not changed. Which of these describes why the orientation has not changed?

The object has been rotated to become its image.

The object has been translated to become its image. ✓

The object has been reflected to become its image.

The object has been rotated by a full turn. ✓

The object has been rotated by less than a full turn.
Which of these is a rotation of this object?

image 1

image 2 ✓

image 3 ✓

image 4

image 5
Which of these is a rotation of this object?

image 1 ✓

image 2

image 3 ✓

image 4

In which direction is this object being rotated?

clockwise ✓

anti-clockwise

the object is not being rotated
This arrow is currently pointing in the W (west) compass direction. If this arrow is rotated anti-clockwise, what is the first compass direction that it passes through?

N (north)

E (east)

S (south) ✓

W (west)
Match the size an angle in degrees to its description.

90°

⇔

a quarter turn ✓

180°

⇔

a half turn ✓

270°

⇔

a three-quarter turn ✓

360°

⇔

a full turn ✓

720°

⇔

two full turns ✓
Jun stands on the spot and rotates clockwise by a quarter turn, and then rotates clockwise by a further three-quarter turn. In total, how many degrees has Jun rotated by? ______

'360' ✓
Jun stands on the spot and rotates anti-clockwise by an angle between three-quarters of a full turn and one full turn. Which of these is a sensible answer for the size of Jun's rotation?

30°

150°

210°

300° ✓

390°
Which of these is a suitable description for this rotation?

Rotated anti-clockwise by 30°.

Rotated clockwise by 45°.

Rotated clockwise by 120°. ✓

Rotated anti-clockwise by 180°.

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"Right means clockwise" and "left means anti-clockwise"

This is only true when referencing the top of the object being rotated. Rotating "left" and "right" is incorrect for all other vertices.

Clockwise - Clockwise is the direction that the hands of an analogue clock travel.
Anti-clockwise - Anti-clockwise is the opposite direction to which the hands of an analogue clock travel.
Degrees - The most common unit of measurement for angle. One whole turn is equal to 360 degrees, written 360°.