Children in Crossfire
Maths Challenge
2015
Quiz 3
Question 1
A male elephant weighs twice as much as a female elephant. The female weighs four times
as much as the calf. If the Calf weighs 750kg, what is the weight of the Adult male?
Question 2
One quarter of Africa is covered
by the Sahara Desert.
If the Sahara is approximately
rectangular in shape with an area
of 9 million km2 and a length of
4500 km, what is its approximate
width?
Question 3
Use the following information to answer the question.
A is the number of countries that produce Uranium
B is the number of countries that produce Manganese
C is the number of countries that produce Gold
D is the number of countries that produce both Oil and Gas
E is the number of countries that produce Diamonds but not Manganese.
What is the value of
A+B+C+D+E
Question 4
Bayana and Dalia carry water home
from the well.
If Dalia carries 3 jugs home and Bayana
carries 5 jugs, how much water do they
carry home if Dalia’s jug holds 6 litres
and Bayana’s jug holds 9 litres?
Question 5
If the human shown is an average sized male, use the diagram
below to make an estimate of the length of an average sized Nile
crocodile.
Question 6
Jaha uses different coloured beads to make
necklaces and bracelets that she then sells in
the market.
She uses purple, red, green, black, white,
yellow, blue and orange beads to make one
of her bracelets
To make one bracelet she uses 50 of any
colour that has 1 vowel in its name, 100 of
any colour that has 2 vowels in its name and
150 of any colour that has 3 vowels in its
name. How many beads does she need to
make the bracelet?
Question 7
Malika works in the cornfield. She
has to check the corn every day to
make sure it is growing properly. It
takes her 2 hours to check 5 rows of
corn. For how many minutes has she
worked in the field if she has
checked 22 rows of corn?
Question 8
Below you can see a map of Africa. The map also shows part of Asia and Europe.
How many countries in Africa share a border with Algeria or Chad?