Year 7
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Lesson details
Key learning points
- In this lesson, we will learn how to draw and describe enlargements, observing the effects on the perimeters.
Licence
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5 Questions
Q1.
Fill in the gap: We can combine a translation and a reflection by performing one ________________ after the other.
reflection
rotation
translation
Q2.
State the coordinate of Vertex A after being translated by the written vector.
(-2 2)
(4, 0)
(4,4)
Q3.
State the coordinate of the vertex A when the triangle has been reflected in the given mirror line.
(-4, -2)
(-5, -2)
(-5, 0)
Q4.
Decide if this statement is true or false: Translating then reflecting is always the same as reflecting then translating.
True
Q5.
Select ALL the transformations that would transform shape A into shape B.
C
D
8 Questions
Q1.
Fill in the gap: We can enlarge shapes using a ___________.
centre of enlargement
factorise
line of enlargement
multiply
Q2.
When you enlarge a shape by a scale factor which of the following will change?
None of the above
The 'form' of the shape (if it was a square it night not be a square anymore)
The angles
Q3.
Decide if the following is true or false: An enlarged shape will always be bigger.
True
Q4.
State the scale factor of enlargement for the transformation from A to B
1/4
1/8
8
Q5.
State the scale factor of enlargement for the transformation from B to A
1/8
4
8
Q6.
A is transformed to B. Which statement is correct?
None of the above
The perimeter of B is 1/4 times bigger than the perimeter of A.
The perimeter of B is 1/8 times bigger than the perimeter of A.
The perimeter of B is 8 times bigger than the perimeter of A.
Q7.
A shape has a perimeter of 14 cm. What will the perimeter be after an enlargement by scale factor 5?
140 cm
19 cm
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Q8.
A shape has a perimeter of 14 cm. What will the perimeter be after an enlargement by scale factor 0.5?
14.5 cm
28 cm
70 cm
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