# Enlarge an Object with a Positive Scale Factor

## Lesson details

### Key learning points

1. In this lesson, we will enlarge objects by a given scale factor, and identify scale factors.

### 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.

## Video

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## Worksheet

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## Starter quiz

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### 4 Questions

Q1.
Shape A has been rotated 180° onto shape B. What is the centre of rotation?
(0, 0)
(2, 0)
(2, 2)
Q2.
Shape A has been rotated 90° clockwise onto shape B. What is the centre of rotation?
(0, 0)
(1, -1)
(2, 1)
Q3.
State the degrees and direction in which shape A is rotated onto shape B.
180°
90° clockwise
Q4.
State the centre of rotation for shape A onto shape B.
(-1, -2)
(-2, 1)
(2, -1)

## Exit quiz

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### 3 Questions

Q1.
What is the scale factor from triangle B to D?
1
3
4
Q2.
What is the scale factor from triangle B to C?
1