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Year 9 Basic Maths Review
Year 9 Basic Maths Review
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Year 9 Basic Maths Review #math #maths
Flashcards
28 cards
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Practice quiz
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Questions
28
Answers
1
What is equal to 4 x 10
-5
?
0.000004
0.00004
40000
400000
2
(a
m
)
n =
am - n
am + n
am x n
3
In statistics, what is the point of a tree diagram?
it displays all possible outcomes
nobody really knows
It is a picture of a tree
it calculates relative frequency
4
Mode is...
The highest - the lowest
Sum of numbers ÷ amount of numbers
The middle number
The most
5
What time is midnight?
12:00am
6:00pm
6:00am
12:00pm
6
a
m
x a
n
=
am - n
am + n
am x n
7
What is the probability of rolling two 6-sided die and getting 7 as the total?
1 / 6
6 / 36
5 / 36
7 / 36
8
What does c
2
(c
-3
)b
2
equal?
c-1b4
c-6b4
c-1b2
c-6b2
9
What is the median of 1,1,5,2,1
2
3
4
1
10
What is the mean of 2,3,4,5,6,7
3.5
5
4
4.5
11
Which of these is a definition of surface area
The area of all of the sides of a prism
the volume
area of the largest side
area of base x Height
12
Data can be displayed graphically as an:
hitsogram
hystogram
histogarm
histogram
13
If a car travels 100km with 13L, how far will it travel with 32.5L?
200km
150km
300km
250km
14
Mean is...
The most
The middle number
The highest - the lowest
Sum of numbers ÷ amount of numbers
15
What is the rule for area of a triangle
1/2 base x height
base x height
πr2
L x W
16
Median is...
The middle number
The highest - the lowest
The most
Sum of numbers ÷ amount of numbers
17
What is the volume of this prism
300 in3
3000 in3
30in3
21 in3
18
What is the volume of this prism
32cm3
100 cm<span style="font-size: 13.3333px;">3</span>
25cm3
175cm3
19
What is the rule for Area of a circle
2πr
πD
πr2
L x W
20
If a car travels 100km with 13L, how far will it travel with 26L?
100km
150km
250km
200km
21
If Mary sends 8 pictures in 20 minutes, how many pictures could she send in two hours?
80
62
72
48
22
What is equal to 6 x 10
3
?
6000
600
60000
60
23
What is the mean of 0,0,0,0,1,1,1,1 ?
4
0
1
0.5
24
What is the mean of 0,1,2,3,4,5,6,7,8,9 ?
4.5
3.5
4
5
25
Range is...
The middle number
The most
The highest - the lowest
Sum of numbers ÷ amount of numbers
26
what is the rule for circumference of a circle
πr2
L x W
πD
2πr
27
What is the mode of 1,2,1,5,1,2,5
4
3
2
1
28
a
m
÷ a
n
=
am x n
am - n
am + n
