Ratios
Simplify the ratio 2:6
1:3
1/3 x 1/2
1/6
2/5 + 1/4
8/20 + 5/20 = 13/20
5 + (-6)
-1
Mark earns $60 over 5 hours. How much does he earn per hour?
$12 per hour
Simplify the ratio 18:3
6:1
Give your answer in its simplest form
2/3 x 5/4
5/6
3/4 - 2/3
9/12 - 8/12 = 1/12
4 x (-7)
-28
You travel 180km over 3 hours. What speed have you averaged over this time?
60km/h
Split 18 fruits into the ratio of 2 apples: 1 orange
12 apples: 6 oranges
Give your answer in its simplest form
3/4 divided by 2/5
15/8
Write the following as a fraction in its simplest form
a) $45 out of $100
b) 12kg out of 80kg
a) 9/20
b) 3/20
a) -5 x (-6)
b) 48/ (-6)
a) 30
b) -8
Find the average speed of:
a) a car travelling 100km in 2 hours
b) a bike travelling 45km in 3 hours
a) 50km/h
b) 15km/h
A group of 40 students of boys and girls in the ratio of 3 boys: 5 girls
15 boys: 25 girls
Give your answer in its simplest form
4/5 divided by 7/8
32/35
Which fraction is larger?
7/10, 11/15
11/15
a) (-4)^2
b) (-7)^2
a) 16
b) 49
What is the best buy? 2kg of meat for $11 or 3kg for $16
3Kg
Ryan and Adam share 84 sweets between each other on a ratio of 7:5. How many do each of them get?
Ryan: 49
Adam: 35
There is 2/3 of a pie left over. You decide to eat 2/5 of what is remaining. What fraction of the whole pie have you ate?
2/3 x 2/5 = 4/15
Write the following decimals as their simplest fractions:
a) 0.075
b) 6.45
a) 75/1000 = 3/40
b) 645/100 = 129/20 or 6 9/20
a) -100/(-4)
b) -428/2
a) 25
b) -214
Find the rate of $ per kg if you spend $4.25 for 1/4kg
$17