Enlarge an Object with a Positive Scale Factor from a Given Coordinate

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Lesson details

Key learning points

1. In this lesson, we will enlarge objects by a given scale factor, and describe enlargements on coordinate grids.

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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
2
2.5
Q3.
Which diagram shows shape H correctly enlarged by a scale factor of 3?
A
C

4 Questions

Q1.
State the scale factor from shape C to shape D
2
4
5
Q2.
State the scale factor from shape C to shape A.
2
3
5
Q3.
State the centre of enlargement from shape C to D.
(0, 2)
(2, 0)
(2, 4)
Correct answer: (2, 5)
(3, 5)
Q4.
State the scale factor from shape A to shape B.
1.5
2
4