YEAR EIGHT Mathex 2012
Team
Question 1
The school bought 24m of fencing. They wanted to create the largest area possible using the
fencing. What is the largest possible area?
YEAR EIGHT Mathex 2012
Team
Question 2
What is this angle to the nearest 10 degrees?
YEAR EIGHT Mathex 2012
Question 3
Express your answer as a decimal
1
5
 
1
+4=
Team
YEAR EIGHT Mathex 2012
Team
Question 7
It takes 27 hours and 33 minutes to travel from Wellington to South Africa. If we leave at
6:30am on Friday, what time will be arrive in South Africa (in South African time)? NB.
South Africa is 10 hours behind NZ time
YEAR EIGHT Mathex 2012
Team
Question 8
Complete the table
In
2
4
0
6
8
Out
3
2
5
YEAR EIGHT Mathex 2012
Question 9
Which three of the following numbers add to 2?
14
20



4
7
4
5
 
2
9
2
4
Team
YEAR EIGHT Mathex 2012
Team
Question 4
A 4 X 4 X 4 cm cube has all the faces painted red. If
the cube is cut into 1 X 1 X 1 cm cubes along the
lines shown, how many 1 X 1 X 1 cm cubes will not
have any red paint on its faces?
YEAR EIGHT Mathex 2012
Team
Question 5
James goes on camp with a red shirt, a blue shirt, a white shirt, blue jeans, and a pair of
shorts. How many possible pants/shirt combinations can he come up with using the clothing
he has brought?
YEAR EIGHT Mathex 2012
Team
Question 6
The days temperature decrease by 2.50 each hour. If the temperature at 3pm was 120 , what
will the temperature be at 1am?
YEAR EIGHT Mathex 2012
Team
Question 10
The final result was 100. What was the original number if the instructions had been:
“Think of a number, square it, add 1, then double your answer”
YEAR EIGHT Mathex 2012
Team
Question 11
How many times will the digit 4 appear in the numbers between 200 and 600?
YEAR EIGHT Mathex 2012
Team
Question 12
Bob’s new car could travel 120km on 18 litres of fuel, applying the same rate, how much fuel
would it need to travel 180km?
YEAR EIGHT Mathex 2012
Team
Question 13
Claire, James and Matthew went into town together. Claire bought a DVD and a drink and
spent $14, James bought a drink and a burger and spent $6, Matthew spent $12 and bought a
DVD and a burger.
What were the prices of each the 3 items
DVD Burger Drink -
YEAR EIGHT Mathex 2012
Team
Question 14
Neil had four times as much chocolate as Sarah
Sarah had four times as much chocolate as Tina
Geoffrey had six times as much chocolate as Tina
If Geoffrey had 3 bars of chocolate, how much chocolate did Neil, Sarah and Tina each have?
YEAR EIGHT Mathex 2012
4cm
Question 15
Team
In a class of 32 there are 8 more boys than girls. How many boys to girls are there, express
your answer as a ratio.
YEAR EIGHT Mathex 2012
Team
Question 16
0.1
Complete the following
YEAR EIGHT Mathex 2012
Team
Question 17
There was a bunch of bananas sitting in a bowl. Greg ate 1, Sam took half of the remaining
bunch. Sarah ate one third of the rest and Jesse ate half of what was left. There were 3
bananas left in the bowl, how many were there originally?
YEAR EIGHT Mathex 2012
Team
Question 18
The James and the Smith family are travelling 140km from Wellington to Palmerston North.
3
5
The James family had travelled of their journey. The Smith family have travelled of the
5
7
journey. Who had travelled the farthest and by how many km?


YEAR EIGHT Mathex 2012
Team
Question 19
A light flashes every 2 minutes, a second light flashes every 3 minutes and a third light
flashes every 7 minutes. If all three lights flash together at 9am, what will be the next time all
three lights flash together?
YEAR EIGHT Mathex 2012
Question 20
What is
1
of 50% of 0.25?
3
Express your answer as a fraction

Team
YEAR 8 ANSWERS 2012
1. 36m2
2. 400
3. 0.45
4.
8
5. 6
6. - 130
7.
12:03am or 0003hours
8.
In
2
4
0
6
8
9.
Out
3
4
2
5
6
14 4 2
20 5 4
10.
  11.

7
176
12.
27 litres
13.
DVD - $10, Drink - $4, Burger - $2
14. Tina – ½ bar of chocolate (or 0.5), Sarah - 2 bars, Neil – 8 bars
15.
20:12
16.
0.6
0.3
0.4 0.9
17. 19
18.
The Smith family, by 16km.
19. 9:42am
20.

1
24