Number crunch - Geography & Maths

Calculate the mean pebble diameter from these values.

Sample 1 – 9cm

Sample 2 – 6cm

Sample 3 – 7cm

Sample 4 – 10cm

• 4cm

• 8cm

• 6.5cm

• 12cm

Calculate the median value for imports/exports for these 10 airports.

The UK's 10 largest airports for imports and exports (imports/exports – 1000s tonnes)

Heathrow 1497

East Midlands 292

Stansted 208

Manchester 100

Gatwick 73

Belfast 30

Luton 28

Edinburgh 19

Glasgow 13

• 100

• 41

• 73

• 76

Using the table below, showing the maximum temperature (°C) over a one week period in July, calculate the mode.

Mon 23

Tue 23

Wed 19

Thurs 20

Fri 25

Sat 21

Sun 21

• 25

• 19 & 21

• 23 & 24

• 21 & 23

The table below shows the average rainfall (mm) for Havana in Cuba. Calculate the rainfall range for Havana.

Jan 64

Feb 69

Mar 46

Apr 54

May 98

Jun 182

Jul 106

Aug 100

Sep 144

Oct 181

Nov 88

Dec 58

• 136mm

• 46mm

• 181mm

• 135mm

The pie chart shows the employment structure for Ghana.

Which sector employs the largest % of people?

• Tertiary

• Secondary

• Junior

• Primary

The graph shows the results of a traffic survey conducted during a field trip – data was recorded at four different times throughout the day.

What time is the % of lorries at its highest?

• 0800-0810

• 1300-1310

• 1700-1710

Study the climate graph.

What is the lowest rainfall (mm)?

• 30

• 40

• 50

• 60

Study the line graph.

When is deforestation at its highest?

• 2001

• 2004

• 2007

• 2019

Study the scatter graph.

Which country has the highest infant mortality rate?

• Chad

• Mali

• India

• Cambodia

1. Study the map showing palm oil exports from Indonesia.

Which country is identified as taking the highest proportion of palm oil?

• Japan

• North America

• China

• Europe