Algebra
Measurement
Statistics
Number
100
Simplify:
4x + 3y - x - 5y
3x - 2y
100
What is 0.000000326 in scientific Notation?
3.26 x 10-7
100
How would you describe the symmetry of this data?
Negatively skewed
100
A factory’s quality control department has tested every 50th item produced for possible defects.
What type of sampling is this?
Systematic
200
Spot the mistake:
137 = 5t3 - 2
135 = 5t3
27 = t3
t = 3
Line 2
200
75cm is increased by 20%, then decreased by 20%.
What is the new measurement?
72cm
200
A survey asked 'how many brothers do you have?'. How would the response be classified?
Numerical, Discrete
200
Sam is the driver at fault in a car accident.
Which of the following will be covered by Sam's compulsory third-party CTP insurance?
a) repair for Sam's car
b) injury to the other driver
c) damage to the other driver's car
d) cost of repairing a building damaged in the accident
B
300
If d = 6t2, what are the values of t when 6=2400?
20 and -20
300
The length of a window is 2.4m. What is the percentage error for this measurement?
2.08%
300
A set of scores has the following five-number summary:
Min: 3
Q1: 8
Med: 9
Q3: 11
Max: 16
What is the LOWEST possible score before it is considered an outlier?
4.5
300
A 225-watt television is turned on for an average of 4 hours per day during off-peak periods for a week.
The television electricity is charged at $0.36/kWh.
How much does it cost to run the television for a week?
$2.52
400
Graph the line neatly:
y = 2x - 6
Teacher to check
400
73.12m2
400
Christina has completed 3 tests and has a mean mark of 72%.
What percentage she have to get in her next test to increase her mean mark to 75%?
84%
400
The driving distance from Alex's home to his work is 20km. He drives to and from work five times each week. His car uses fuel at the rate of 8L/100km.
How much fuel does he use driving to and from work each week?
16L
500
The total cost ($C) of an excursion is given by the rule:
C = 2n + 5
If three extra students go on the excursion, by how much does the cost increase?
$6
500
How many square centimetres are in 0.0075m2 ?
75
500
Give examples of 2x SURVEY QUESTIONS that could be asked for each type of data below:
a) categorical ordinal
b) categorical nominal
c) numerical discrete
d) numerical continuous
Teacher to check
500
In a survey of 200 students, 180 of them were found to use social media.
Based on this, approximately how many students would use social media if 75000 students were surveyed?
67500