1. Enlargement on Paper Enlarge the Rectangle by a Factor of 2
Draw lines from the point, through the corners
The new corners will be double the distance away…
Plot the new corners and join them up!

2. Enlargement on Paper
Enlarge the Rectangle by a Factor of 2

3. Enlargement on Paper
On a piece of A4 paper, draw any 3 or 4 sided shape
Choose a centre of Enlargement
Enlarge the shape by a factor of 2
Remember  Think about where the shape will end up (leave space!)

4. Enlargements including Negatives
Enlarge the Rectangle with a scale factor of 2, using (0,0) as the centre of enlargement
The first corner is 1 right and 1 up from (0,0)
The first corner on the new rectangle will be double this, so 2 across and 2 up from (0,0)
The second corner is 1 right and 2 up from (0,0)
The second corner on the new rectangle will be double this, so 2 across and 4 up from (0,0) y 7 6 5 4 A’ 3 2 A 1 1 2 3 4 5 6 7 x

5. Enlargements including Negatives
Enlarge the Shape with Scale Factor 3, with a centre of (4,0)
Mark the Centre
1 Left, 1 Up
3 Left, 3 Up (Scale Factor of 3)
1 Left, 2 Up
 3 Left, 6 Up
Do this for each point and then Draw the shape
Draw the straight lines in to check y 7 6 B’ 5 4 3 2 B 1 1 2 3 4 5 6 7 x

6. PRACTICE TASK EXTENSION
What letter would you get if you enlarge each shape by scale factor 2 from their respective centres of enlargement?
What letter would you get if you enlarge each shape by scale factor 2 from their respective centres of enlargement? 6

7. PRACTICE ANSWERS 7

8. PRACTICE ANSWERS 8

9. Enlargements including Negatives
Enlarge the object shown using a scale factor of 1/2. Use the point (1,6) as the centre of enlargement
Mark the centre (1,6)
1 Right, 4 Down
 0.5 Right, 2 Down
6 Right, 4 Down
3 Right, 2 Down x y 1 2 7 3 6 5 4 C’ C

10. Enlargements including Negatives
Scale Factor  ‘- 2’
Centre (5,5)
Negative Enlargement
With negative enlargement, the same system applies, but the directions are reversed… x y 1 2 7 3 6 5 4 D
1 right, 1 up
2 left, 2 down
2 right, 1 up D’
4 left, 2 down
2 right, 2 up
4 left, 4 down

11. ENLARGEMENTS TASK EXTENSION
Enlarge the shapes by their respective scale factors from their centre. What word does it spell?
EXTENSION
Create your own enlargements worksheet. 11

12. Print out this worksheet for students.

13. ENLARGEMENT ANSWERS Click to reveal Click to reveal Click to reveal13

14. PLENARY ACTIVITY
GRADE D EXAM QUESTION
GRADE C EXAM QUESTION