1. This table shows information about the earth's four oceans.
|
Ocean
|
Area
(km2) |
Area
(square miles) |
Average depth
(m) |
Average depth
(ft) |
|
Arctic
|
13 230 000
|
5 110 000
|
1 205
|
3 950
|
|
Pacific
|
166 240 000
|
64 190 000
|
4 188
|
13 740
|
|
Indian
|
73 430 000
|
28 350 000
|
3 872
|
12 700
|
|
Atlantic
|
86 560 000
|
33 420 000
|
3 736
|
12 260
|
|
a. Which ocean has the greatest area? |
 |
|
2. The scale (x 1000) shows the number of revolutions of an engine. Give each reading to one decimal place e.g. 4.8
|
 |
3. The chart gives the high tide times and the change between high tide and low tide, in metres, at two seaside towns for a week.
|
Day of week
|
Bluesville
|
Greentown
|
||||||
|
am
|
m
|
pm
|
m
|
am
|
m
|
pm
|
m
|
|
|
Monday
|
1.30
|
2.7
|
2.10
|
2.8
|
4.20
|
2.6
|
5.00
|
2.7
|
|
Tuesday
|
2.30
|
2.8
|
3.10
|
2.9
|
5.40
|
2.7
|
6.10
|
2.9
|
|
Wednesday
|
3.40
|
2.9
|
4.20
|
3.0
|
6.50
|
2.9
|
7.10
|
3.1
|
|
Thursday
|
4.50
|
2.9
|
5.20
|
3.1
|
7.40
|
3.1
|
8.10
|
3.4
|
|
Friday
|
5.50
|
3.1
|
6.20
|
3.2
|
8.30
|
3.4
|
8.50
|
3.6
|
|
Saturday
|
7.40
|
3.2
|
8.10
|
3.3
|
10.20
|
3.6
|
10.40
|
3.7
|
|
Sunday
|
8.40
|
3.3
|
9.00
|
3.4
|
11.00
|
3.7
|
11.20
|
3.8
|
a. At what time and where was the lowest tide?
b. On what day and where was the biggest tide?
c. On how many days was the average of the tides in Bluesville greater than the average of the tides in Greentown?
d. What was the time difference between high tides in Greentown on Friday?
e. What was the difference (in hours), in time between the first high tide in Bluesville and the last?
4. The graph shows the temperatures in some of the towns and cities in the Pacific region on a particular day in Spring.
a. Estimate the difference between the high and low temperatures for Suva.
b. Which town or city had the greatest difference between high and low temperature?
c. Use the graph to estimate the average low temperature on this day in Honolulu, Nadi and Noumea.
d. Which city had the lowest temperature and what was this temperature?
e. Four towns or cities had the same high temperature. Which ones were they?
5. The chart shows some conversions between metric units and imperial units for measuring length.
|
Centimetres
|
Inches
|
Metres
|
Yards
|
Kilometres
|
Miles
|
|||
|
2.540
|
1
|
0.394
|
0.914
|
1
|
1.094
|
1.609
|
1
|
0.621
|
|
12.700
|
5
|
1.969
|
4.572
|
5
|
5.468
|
8.047
|
5
|
3.107
|
|
25.400
|
10
|
3.937
|
9.144
|
10
|
10.936
|
16.093
|
10
|
6.214
|
|
50.800
|
20
|
7.874
|
18.288
|
20
|
21.872
|
32.187
|
20
|
12.427
|
|
127.000
|
50
|
19.685
|
45.720
|
50
|
54.681
|
80.467
|
50
|
31.069
|
|
254.000
|
100
|
39.370
|
91.440
|
100
|
109.361
|
160.934
|
100
|
62.137
|
a. How many kilometres in 50 miles?
b. How many inches in 10 cm?
c. How many metres in 30 yards?
d. How many metres in a 880 yard race. (The old Olympic distance)
e. For experts! Use the chart to calculate how many centimetres in 1 mile. (Clue: There are 36 inches in a yard and 1760 yards in a mile)
6. The scale below shows a ruler.
Find the measurement given at each of the following points:
a. A
b. B
c. C
d. D
e. E
7. The table below shows weather conditions and temperatures in towns and cities around the Pacific region one day in Spring.
|
City
|
Conditions
|
High
|
Low
|
|
Adelaide
|
showers
|
17o
|
13o
|
|
Auckland
|
fine
|
16o
|
9o
|
|
Apia
|
thunder
|
30o
|
24o
|
|
Honolulu
|
fine
|
30o
|
23o
|
|
Nadi
|
fine
|
31o
|
22o
|
|
Noumea
|
fine
|
28o
|
21o
|
|
Papeete
|
fine
|
31o
|
24o
|
|
Perth
|
fine
|
24o
|
10o
|
|
Port Moresby
|
fine
|
31o
|
26o
|
|
Suva
|
thunder
|
31o
|
22o
|
a. Which, would you say, was the warmest place from the table above?
b. What is the difference between the high and low temperatures in Honolulu?
c. In which city was the biggest difference between the high and low temperatures?
d. There is a small fault in the table, what is it?
e. Describe the advantages and disadvantages of using the table and the graph (in question 4) for finding information.
