YEAR SEVEN Mathex 2013 Team
Question 1
What three consecutive even numbers have a sum of 102?
YEAR SEVEN Mathex 2013 Team
Question 2
The temperature in Fiji yesterday was 29 degrees celcius.
What is the temperature that is 132 degrees celcius colder than that ?
YEAR SEVEN Mathex 2013 Team
Question 3
Carpet is $124 per square metre.
What is the total cost of carpet for a room that is 6 m long and 4.5 m wide?
YEAR SEVEN Mathex 2013 Team
Question 4
What is the first multiple of 9 after 200?
YEAR SEVEN Mathex 2013 Team
Question 5
a + b = 26
b - a = 8
What are the values of a and b?
YEAR SEVEN Mathex 2013 Team
Question 6
Half the length of a whale is 13 metres.
What is the length of the whole whale in cm?
YEAR SEVEN Mathex 2013 Team
Question 7
Which is the largest number and what does it equal?
3 4 5 2
4 , 3 , 2 , 7
YEAR SEVEN Mathex 2013 Team
Question 8
A book is on sale at 20% off. The full price is marked as $22.50.
What is the price of the book on sale?
YEAR SEVEN Mathex 2013 Team
Question 9
If the running race times for the year 7 girls in the class were as follows (in seconds), what are the median and mean times for that group?
48, 46, 57, 56, 52, 58, 54
YEAR SEVEN Mathex 2013 Team
Question 10
Sam got 48 out 60 for a Science test. What was her percentage score?
YEAR SEVEN Mathex 2013 Team
Question 11
I am even.
I am less than 100 but greater 50.
I am divisible by 8.
The sum of my digits is 15
What number am I?
YEAR SEVEN Mathex 2013 Team
Question 12
A kayaker starts a race at 7:50 pm on 30th May, and arrives at Taupo at 2:35am on 1st June.
How long in hours and minutes did the run take?
YEAR SEVEN Mathex 2013 Team
Question 13
Jackson decided to give away two sixths of his lollies to a friend. He invited a second friend home and gave away one sixth of what remained. He then had 30 lollies left.
How many lollies did Jackson have to begin with?
YEAR SEVEN Mathex 2013 Team
Question 14
This shape has the dimensions of 8 cm by 4 cm by 2.5 cm.
What is the total volume?
8cm

4cm
2.5cm
YEAR SEVEN Mathex 2013 Team
Question 15
Tyler goes to an ice cream parlour and orders an ice cream. He could choose between chocolate, passionfruit, vanilla or boysenberry ice cream, with chocolate or berry topping, and chocolate sprinkles, nutty sprinkles or 100s and 1000s sprinkles.
If he chooses one type of ice cream, one type of topping and one type of sprinkles, how many possible options can he choose from?
YEAR SEVEN Mathex 2013 Team
Question 16
If the digits of the number 2549 are arranged in descending order and then in ascending order, what is the difference between these two numbers?
YEAR SEVEN Mathex 2013 Team
Question 17
What is the greatest common factor of 56, 144, and 208?
YEAR SEVEN Mathex 2013 Team
Question 18
A total of 37.89 metres of timber is required for the deck and must be divided into nine equal length planks.
How long is each plank?
YEAR SEVEN Mathex 2013 Team
Question 19
Of 600 fish in a fish pond, 61% are orange, 34% are white and the rest are black.
How many fish are black?
YEAR SEVEN Mathex 2013 Team
Question 20
Amy said, ‘Chris is three times as old as me and is also twice as old as Brad’.
Brad said, ‘Two years ago, I was twice as old as Amy was then.’
How old are Amy, Brad and Chris?
YEAR 7 ANSWERS 2013
20. Amy- 4 years old, Brad- 6 years old and Chris- 12 years old
19. 30
18. 4.21m
17. 8
16. 7,083
15. 24
14. 80cm³
13. 54
12. 30 hours and 45 minutes
11. 96
10. 80%
9. median = 54, mean = 53
8. $18.00
7. 3 to the power of 4 = 81
6. 2600 cm
5. a = 9, b = 17
4. 207
3. $3,348.00
2. 103°C
1. 32, 34, and 36