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Cottesmore Academy

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Notes and Guidance

Children reflect objects using lines that are parallel to the axes. Children continue to use a 2-D grid and coordinates in the first quadrant. Teachers might want to encourage children to use mirrors, or to count how far the point is away from the mirror line, so that they can work out where the reflected point will be located. Children should be introduced to the language object (name of shape before reflection) and image (name of shape after reflection).


Maths Talk

When I reflect something, what changes about the object?

Is it exactly the same?

What are the coordinates of this point?

If I reflect it in the mirror line, what are the new coordinates?

If I reflect this point/shape in a vertical/horizontal mirror line, what will happen to the 𝑥-coordinate/𝑦-coordinate?

Today's fluency

Today's problem solving and reasoning