Video: KS2-M18 • Paper 2 • Question 1

Here is a shape on a grid. Complete the design so that it is symmetrical about the mirror line. Use a ruler.

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Video Transcript

Here is a shape on a grid. Complete the design so that it is symmetrical about the mirror line. Use a ruler.

This dotted line is the mirror line. The question is asking us to draw the reflection of this shape. When we’re drawing a reflection, we need to remember that each point will be an equal distance from the mirror line.

The first point we’ve marked is three squares to the right of the mirror line. So its reflection is three squares to the left of the mirror line. The next point is two squares to the right. So its reflection is two squares to the left of the mirror line. The two pink points are already on the mirror line. And they’ll stay on the mirror line. And the final point is two squares to the right of the mirror line. So its reflection is two squares to the left.

Now what we have to do is to draw the shape using the points we’ve marked and a ruler. This is to make sure that our drawing looks accurate. We can join up the lines using the dots we’ve marked.

Now that we’ve joined up each of the points, we have an accurate reflection of the design about the mirror line.

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