25 questions
Round 89 999 to two significant figures.
89000
90000
89500
89900
Find 3.5% of $70
$24.50
$245
$2.45
$0.245
Decrease $815 by 5%
$774.25
$40.75
$855.75
$407.50
How long is a train journey that leaves Wellington at 6.20am and arrives in Auckland at 5.05 pm?
10 hours 45 minutes
11 hours and 45 minutes
10 hours 25 minutes
11 hours 5 minutes
Share $780 in the ratio 5 : 1
130:650
156:624
624:156
650:130
Work out the size of angle m and give a reason.
38 degrees because the angles are vertically opposite
38 degrees because the angles must add upt o 180 degrees
52 degress and the angles must add up to 180 degrees
52 degrees because they are vertically opposite
Use the squares to find the required lengths and calculate the area of this circle.
74
75
76
77
Work out the median & quartiles of this data:
11, 3, 18, 25, 7, 15, 32, 27, 12, 19, 10
Med 5
LQ 25
UQ 15
Med - 15
LQ 5
UQ 25
Med 25
LQ 5
UQ 15
Med 15
LQ 25
UQ 5
What is the probability of getting a Club when one card is drawn from a pack?
1/3
14/52
13/52
12/52
Then rotate KLMN through 90o clockwise around centre (0,0)
A survey of favourite icecream flavours in gave the following data:
Cookies and cream 61
Hokey pokey 29
Vanilla 35
Raspberry 15
Chocolate 42
Use the data to estimate the probability that a person chosen at random from this group will not like Vanilla
144/182
145/182
146/182
147/182
Calculate the volume of this trapezoid prism.
2,400,000
80,000
64,000
48,000
Round 14.651 to two decimal places.
14.65
14.66
Simplify the ratio 45 : 25
4.5 : 2.5
9:5
22.5 : 12.5
5:9
How many centimetres in 5metres ?
50,000
5000
500
50
How long is a bus trip that leaves Timaru at 4.30 pm and arrives in Dunedin at 7.55 pm ?
4 hours 25 minutes
4 hours 30 minutes
3 hours 30 minutes
3 hours 25 minutes
Find the length of the side marked x
17.34 cm
8.5 cm
72.25 cm
11.9 cm
Write 12 out of 20 as a percentage.
0.6%
12/20 %
60 %
3/5 %
In a class of 30 students there were 16 girls. What percentage of the class were girls?
53%
47%
Find the volume of this prism:
2,160
32,400
810
1080
The Smith family (5 people) and the Jones family (4 people) go on holiday together. They agree to share the expenses in the ratio 5:4. If the total cost of the holiday is $1800, how much should each family pay?
0.025 : 0.02
0.02 : 0.025
1000 : 800
800 : 1000
A house plan uses a scale of 1cm = 2m
If a room measures 3.7cm long on the plan, how long will it be in real life?
7.4 m
3.7 m
Calculate the length of the side marked x.
6 cm
12 cm
18 cm
24 cm
The ages of children at a tennis coaching session are given in this frequency table. Find the median age of the children:
9
9.5
10
Find the next three terms for this pattern: 4, 7, 10, 13
16
16, 19
16, 19, 22
16, 19, 22, 25