Year 5
Exploring missing lines of symmetry following a reflection
Year 5
Exploring missing lines of symmetry following a reflection
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Lesson details
Key learning points
- In this lesson, we will investigate a variety of shapes which have already been reflected and find where the missing line of symmetry would be.
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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5 Questions
Q1.
Which of the following statements is NOT correct?
The x axis can be a line of reflection
The y axis can be a line of reflection
When shapes are reflected some of the coordinates can change
Q2.
If we are reflecting a shape onto the x axis then which of the following is correct?
Both the x and y coordinates of the reflected shapes must change
Both the x and y coordinates of the reflected shapes must stay the same
The y coordinate will definitely stay the same
Q3.
If we are reflecting a shape onto the y axis then which of the following statements is correct?
Both the x and y coordinates of the reflected shapes must change
Both the x and y coordinates of the reflected shapes must stay the same
The x coordinate will definitely stay the same
Q4.
A triangle with the coordinates (-5,6), (-5,7) and (-4,7) is reflected by a line of reflection along the y axis, which of the below are the correct reflected coordinates?
(-5,-5) (-7,7) (-4,-4)
(-5,-6), (-5,-7) (-4,-7)
(5,-6) (5,-7) (4,-7)
Q5.
A point with coordinates (-4,0) is reflected by a line of reflection along the x axis, what would its new reflected coordinates be?
(-4,-1)
(-4,1)
(4,0)
5 Questions
Q1.
Which of the below mean the same as a line of reflection?
Straight line
Unequal line
Wiggly line
Q2.
If the distance between point A and its reflected point (A') is 12 squares then which of the statements below is true?
The distance between the mirror line and A is 12 squares
The distance between the mirror line and A is 24 squares
The distance between the mirror line and A' is also 12 squares
Q3.
If distance between point B and a mirror line is 9 squares, then which of the following statements below is true?
The distance between B and B' is 4.5 squares
The distance between B and B' is also 9 squares
The distance between the mirror line and B' is 4.5 squares
Q4.
The coordinates (-4,-4) and (-4,-2) are reflected, after reflection (-4,-4) becomes (3,3) and (-4,-2) becomes (1,3), which of the following statements is true?
The line of reflection is vertical
The x axis is the line of reflection
The y axis is the line of reflection
Q5.
A point with coordinates (1,-4) and (1,-3) are reflected to become (-3,-4) and (-3,-3) what do we know about the mirror line?
It is a diagonal line
It is a horizontal line
We do not have enough information