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Lesson details

Key learning points

  1. In this lesson, we will learn how to enlarge a shape from a given point. It would be helpful if you could have squared paper and a ruler for this lesson.

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.

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3 Questions

Q1.
Which of these statements best describes a 'non-integer'?
Correct answer: A fraction or decimal
A negative number
A whole number
Q2.
A square has side length 12cm. It is enlarged by scale factor 2/5. What is the side length of the image?
10cm
2.4cm
Correct answer: 4.8cm
60cm
Q3.
A regular hexagon is enlarged by a scale factor of 3.5. The image side length is 31.5m. What is the side length of the object?
110.25m
110m
19m
Correct answer: 9m

5 Questions

Q1.
Fill the gap: if the scale factor of an enlargement is ____________ 1, then the image is larger than the object.
1 +
equal to
Correct answer: greater than
less than
Q2.
Fill in the gap: if the scale factor of an enlargement is __________ 1, then the image is smaller than the object
Correct answer: between 0 and 1
equal to 1
greater than 1
less than 1
Q3.
In the diagram, P is the...
An image in a quiz
Correct answer: Centre of enlargement
Just a point on the grid
Place of Enlargment
Point of Enlargement
Q4.
Fill in the gap: the distances from P to each of the points on the enlarged shape are __________ the distances from P to each of the corresponding points on the original shape.
11 times
2 times
Correct answer: 3 times
5 times
Q5.
Fill in the gaps: shape ABCD has been __________ by scale factor ______, with _____ of enlargement (0,3).
An image in a quiz
Correct answer: enlarged, 2, centre
enlarged, 2, point
enlarged, 3, centre
made bigger, 3, place

Lesson appears in

UnitMaths / Similarity and enlargement