Arithmetic, Number Facts and Sequences
Approximations & estimation, Standard form
Ratio and Scale Factor
Solving Equations
Factorising
100
12345 ÷ 0.1
123450
100
Round to the nearest whole number
40.6767
41
100
Divide $150 in the ratio (3:7)
45 : 105
100
Solve 4x+9=41
x=8
100
Factorise 10x + 10xy
10x (1+y)
200
How many prime numbers are between 1 and 20?
8
(2, 3, 5, 7, 13, 17, 19)
200
Round 0.090563 to three significant figures
0.0906
200
In which country did the Tango originate?
Argentina
200
Solve 27 = 3(a+2)
a=7
200
Factorise 36pq+12qr
12q(3p + r)
300
The next term of this sequence 2, 6, 10, 14, ...
18 ( the nth term follows the rule 4n-2)
300
Write 327000 in scientific notation
3.27 x 10^5
300
Find x
x = 9 cm
300
MMXXV is an expression in roman numerals for which year?
2025
300
Factorise x^2 + 7x + 12
(x+4)(x+3)
400
What is the only country that contains the letter G twice?
Georgia
400
The Varroa destructor mite is a parasite of which creature?
The honey bee
400
If the scale of a map is 1:10 000, what will be the length of a road which is 7 cm long on a map? Answer in kilometres.
70 m
400
5(2x+4)=30
x=1
400
Name 3 of the 5 current communist countries.
China, Cuba, Laos, North Korea and Vietnam.
500
The next term of the sequence 1, 2, 4, 7, 11 is ...
16
500
At Bunnings, the height of a door is given as 195 cm to the nearest cm. Write the lower and upper bound for the height of the door.
194.5 cm to 195.4 cm
500
Find x
9 cm
500
5(k-4)= 4 - 3k
k=3
500
Albedo is the fraction of light that a surface reflects. Which has the highest albedo: Green grass, desert sand or bare soil?
Desert sand (0.4)