Shape & Skew
What is the middle value of a data set called?
Median
What is Pythagoras’ theorem?
a2+b2=c2
Find the hypotenuse:
5, 12, ?
13
When finding the hypotenuse, do we add or subtract?
Add
Phoenix writes:
52=10
What is the correct answer?
25
A motorbike completes 4 laps of a 3 km track.
Distance travelled?
12 km
What is the difference between the largest and smallest value?
Range
What is the longest side of a right-angled triangle called?
Hypotenuse
Find the hypotenuse:
8, 15, ?
17
When finding a short side, do we add or subtract?
Subtract
Lalika writes:
√81=40.5
Correct answer?
9
A fishing rod costs $80.
It is 25% off.
Discount amount?
$20
A graph with a tail to the right is called:
Positively skewed
What type of triangle can use Pythagoras?
Right-angled triangle
Find the short side:
?, 12, 13
5
A triangle has sides:
5, 12, 13
Which side is the hypotenuse?
13
Jack says:
The hypotenuse is the shortest side.
True or false?
False
A rectangle has:
length = 9 cm
width = 5 cm
Perimeter?
28 cm
Which measure of centre is least affected by outliers?
Median
Which side is always labelled c?
Hypotenuse
Find the short side:
?, 24, 25
7
Why is the order important when finding a short side?
Largest square first
A student writes:
52+122=169
c=169
What did they forget?
Square root
A boat travels 6 km every hour.
Distance in 5 hours?
30 km
Find the median:
2, 4, 6, 8
5
Why is the hypotenuse always the largest side?
Opposite the 90° angle
Find the hypotenuse:
20, 21, ?
29
What happens if you subtract in the wrong order?
Negative number
A student labels a short side as c.
Why is this wrong?
c must be the hypotenuse
A campsite has 36 people.
Each tent fits 4.
How many tents?
9