% of Amounts
% Increase/Decrease
Simple Interest
Direct Proportion
Mr Knox
100
What is the decimal multiplier that will help you find 65% of an amount?
0.65
100
What is the decimal multiplier that will help you find a 20% increase of an amount?
1.2
100
If I invest £400 for 2 years at 5% per annum.
Work out the total interest earned.
£40
100
3 sweets weigh 12g.
Work out the weight of 5 sweets
20g
100
What is the name of the animal taking a picture with Mr Knox in Australia?
A Rock Wallaby
200
What is 15% of 80?
12
200
What is the decimal multiplier that will help you find a 20% decrease of an amount
0.8
200
If I invest £700 for 3 years at 2% per annum.
Work out the total interest earned.
£42
200
The exchange rate of pounds into Euros is
£1 = €1.17
Using this rate, change £430 to Euros
€503.10
200
True or False
Mr Knox squared up to a kangaroo in Australia
True! Here's proof:
300
What is 31% of 280?
86.8
300
Increase 70 by 40%
98
300
If I invest £1500 for 4 years at 2.5% per annum.
Work out the total amount of money in the account at the end of 4 years.
£1650
300
The exchange rate of pounds into Euros is
£1 = €1.17
Using this rate, change €379.08 to pounds
£324
300
What is the name of this animal that Mr Knox swam with in Bali?
A Manta Ray
400
What is 109% of 30
32.7
400
Decrease 64 by 75%
16
400
If I invest £6700 at 5% per annum and earn £1005 in interest.
How long was the money invested for?
3 years
400
In the table below, y is directly proportional to x.
Find the missing value in the table.
12
400
Can you identify the city this picture was taken in?
Triple points if you can even identify the name of the beach!
Sydney (Bondi Beach)
500
What is 2% of 60?
1.2
500
Increase 90 by 7.5%
96.75
500
If I invest £800 for 20 years and earned £320 interest.
Work out the interest rate.
2%
500
In a spring, the tension (T newtons) is directly proportional to the extension of the spring (y cm).
When the tension is 180 newtons, the extension is 4cm.
Work out the tension when the extension is 3cm
135 newtons
500
What is the name of this animal that Mr Knox saw on K'gari (an island near Australia)
A Dingo