What is a reflection?
A mirror image
If a shape or point was being translated, what is happening to the shape and point?
They are being moved
If a shape has been rotated, what has happened to it?
It is being turned
What does the word congruence mean?
The same!
How many colours are there in a rainbow?
7! Red, yellow, indigo, green, violet, orange, blue
How many lines of symmetry does a rectangle have?
2 lines of symmetry.
Vertical and horizontal lines only
This is a translation vector : (2, -4)
In what directions will the object be moving?
2 units right and 4 units down
What is the order of rotational symmetry for the following images?
Kite: Order 1
Image 2: Order 3
For two shapes to be congruent they must be the exact same ________ and _________.
shape and size
What is the largest land animal?
An elephant
Is this a reflection? why or why not?
No it isn't, shape b has been translated (moved) rather than reflected.
Point P has been translated (moved) to the spot P'. What is the vector that describes how point P has been moved?
(3, -5)
3 units to the left and 5 units down
Draw the following shape after it has been rotated 90o anticlockwise.
Are triangles PQW and TSW congruent? What test can be used to confirm they are congruent?
Yes they are congruent. The SSS (side side side) test can be used.
What language is spoken in Chile?
Spanish!
The purple triangle has been reflected across the x axis.
What are the new coordinates of the reflected shape?
A': (1, -5) B': (3,-1) C': (1,-1)
The point is located at the coordinates (3, -4).
If this point is translated 5 units to the left and 2 units up, what are the new coordinated of the point?
(-2, -2)
Triangle A has been rotated 180o clockwise. Which triangle shows the correct rotation?
Triangle C
Are the following shapes congruent? Why or why not?
No, they are different sizes.
Where were the first Olympic games held?
Greece
Copy this picture and draw a reflection of this shape across the mirror line.
True or false?
△ABC was translated using the vector (4, 2)
TRUE!
This rectangle is rotated 90o anticlockwise. What are the new coordinates for each point of the rectangle?
A: (-1,2) B: (-1,5) C: (-6, 5) D: (-6, -2)
The following shapes are congruent. Name the objects in quadrilateral WXYZ that correspond to these objects in quadrilateral LMNO.
Vertex M →
Side LO →
Angle MNO →
Vertex M → Vertex Z
Side LO → Side WX
Angle MNO → Angle ZYX
How many bones are there in the human body?
206