Transformations & Symmetry
The mathematical term for "to shift" an object.
Translate / translation
Name the 4 primary compass directions
North
East
South
West
Name a capital letter that has a line of symmetry
A, O, T, I, M, V, C, etc
12H and 24H
What is 50% as a decimal
0.5
This word means to mirror an object (starts with an r)
Reflection or reflect
What direction is 225 degrees?
South-West
How many lines of symmetry does a rectangle have
2
What is 7:30am in 24H time
What is the population of New Zealand?
5.124 million (5 million or close accepted)
A 270 degree rotation counter clockwise is the same thing as a _____ rotation clockwise
90 degree
Define an intersection
where 2 or more roads meet
How many lines of symmetry does a square have?
4
what is 20:15 in 12H time
8:15 p.m.
How many possible nets of cubes exist?
11 possible nets
Draw an object on the board that has no line symmetry but has rotational symmetry.
varying answers
Pretend you are taking a bus from your house to school. What are three things that would effect how long that bus takes to arrive at school?
traffic/time of day
weather/accidents
distance from your house to school
speed of the bus driver et.
If my order of rotational symmetry is 5, what is my angle of rotation?
360 divided by 5 = 72 degrees.
how many seconds are in 3 and a quarter days?
60 x 60 x 24 x 3.25 = 280800
How would I remove GST from the price of an item.
A 3 by 3 square is enlarged by a factor of 2. What is the difference between the areas of the two shapes?
3 by 3 area = 9
enlarged = 6 by 6 = 36
difference = 36-9 = 25 units
What is the capital of Australia?
Canberra
if my angle of rotation is 20 degrees what is my order of rotational symmetry?
360 divided by 20 = 18
If I watched a 3 hour and 15 minute movie at 18:30, what time would I finish in 12H time?
18:30 + 03:15 = 21:45 = 9:45 p.m.
What are the MACLEANS values?
Manners, Articulate, Courage, Loyalty, Effort 100%, Authority Respected, No lies, Sympathy and Service