21 P5.ST.JC.18121095
Level 1
Fill in the blanks.
There are red stickers and blue stickers.
The number of red stickers and the total number of stickers are in the ratio of 2 : 5.
  1. Number of red stickers = _____ u
  2. Number of blue stickers = _____ u
  3. Total number of stickers = _____ u
  4. Number of less red stickers than blue stickers = _____ u
4 m
Ratio to units Units method
22 P5.ST.JC.18121096
Level 1
Fill in the blanks.
The cost of 1 marble and 1 sticker is in the ratio of 2 : 3.
  1. Cost of 1 marble = _____ u
  2. Cost of 1 sticker = _____ u
  3. Difference in the cost of 1 sticker and 1 marble = _____ u
  4. Cost of 2 marbles and 3 stickers = _____ u
4 m
Ratio to units Units method
23 P5.ST.JC.18121097
Level 2
Adam, Bryan and Chris have some stickers in the ratio of 5 : 2 : 3.
Adam and Bryan have a total of 700 stickers.
  1. How many stickers does Adam have?
  2. How many stickers do Adam and Chris have?
  3. How many less stickers does Bryan have than Adam?
3 m
Ratio to units Units method
24 P5.ST.JC.18121098
Level 2
The ratio of Adam's money to Bryan's money is 4 : 3.
The ratio of Bryan's money to Chris' money is 2 : 1.
The total amount that they have is $510.
How much more money does Adam have than Chris?
3 m
Ratio to units Repeated identity Units table
25 P5.RA.JM.17083138
Level 3
Jermaine had a piece of wire 140 cm long. He used it to form a rectangle with its length and breadth in the ratio 3 : 2.
  1. What is the length of the rectangle?
  2. What is the area of the rectangle?
3 m
Ratio to units Area Perimeter Rectangle Units method
26 P5.ST.JC.18121099
Level 3
In a school, the ratio of adults to the number of children is 12 : 7.
The ratio of the number of boys to the number of girls is 3 : 2.
There are 70 more boys than girls.
How many people are there in the school?
3 m
Ratio to units Combined repeated identity Units table
27 P5.ST.JC.18121100
Level 3
Adam receives his allowance of $250.
The ratio of Adam's spending to Adam's saving is 2 : 3.
The ratio of Adam's spending on food to the remaining of other expenses is 1 : 4.
  1. How much does Adam save?
  2. How much less does Adam spend on food than other expenses?
3 m
Ratio to units Combined repeated identity Remainder concept Units table
28 P5.ST.JC.18121102
Level 2
The ratio of the number of girls to the number of boys is 3 : 5.
Each girl is given 4 stickers.
Each boy is given 2 stickers.
The total number of stickers is 220.
  1. How many children are there?
  2. How many more boys than girls are there?
  3. How many more stickers are given to the girls than the boys?
3 m
Ratio to units Number x value Units table
29 P5.RD.JM.17083143
Level 3
At a wedding function, the ratio of the number of men to the number of women was 13 : 5. If 35% of the women left, what percentage of the men must leave so that there will be an equal number of men and women remaining?
3 m
D division Ratio to units Percent of a set Equal stage after All change Units table Decimal units
30 P5.ST.JC.18121103
Level 2
The ratio of the number of girls to the number of boys is 3 : 5.
Each girl is given 4 stickers.
Each boy is given 2 stickers.
The total number of children is 80.
  1. How many stickers are given to the children?
  2. How many less girls than boys are there?
  3. How many less stickers are given to the boys than the girls?
3 m
Ratio to units Number x value Units table
31 P5.ST.JC.18121104
Level 3
A special tea is a mixture of three kinds of tea leaves A, B and C in the ratio 5 : 3 : 2.
1 kg of each kind of tea leaves costs $4, $20 and $10 respectively.
What is the cost of 15 kg of this special tea?
3 m
Ratio to units Sets Units method
32 P5.ST.JC.18121105
Level 1
Adam has blue and red stickers in the ratio of 5 : 2.
He has 30 more blue stickers than red stickers.
  1. How many stickers does Adam have?
  2. If Adam gives away 10 blue stickers, what is the new ratio of the number of blue stickers to blue stickers?
3 m
Finding ratio R Simplest form Ratio to units More than or less than Unchanged quantity Units method
33 P5.ST.JC.18121106
Level 2
Adam and Bryan have some stickers in the ratio of 3 : 2.
When Adam gives away 40 stickers,
the ratio of the stickers becomes 1 : 3.
  1. How many stickers do they have at first?
  2. How many stickers do they have in the end?
3 m
Ratio to units Unchanged quantity Units table
34 P5.ST.JC.18121107
Level 2
Adam and Bryan have some stickers in the ratio of 1 : 3.
When Adam buys another 40 stickers,
the ratio of the stickers becomes 3 : 2.
  1. How many stickers do they have at first?
  2. How many stickers do they have in the end?
3 m
Ratio to units Unchanged quantity Units table
35 P5.ST.JC.18121108
Level 2
Adam has blue and red stickers in the ratio of 1 : 2.
When 40 red stickers are replaced with the same number of blue stickers,
the ratio of the number of blue and red stickers will be 3 : 4
How many stickers are there altogether?
3 m
Ratio to units Unchanged total Units table
36 P5.ST.JC.18121110
Level 2
Adam and Bryan have some stickers in the ratio of 1 : 2.
When Bryan gives Adam 40 stickers, the ratio of the stickers becomes 3 : 4.
How many stickers do they have all the end?
3 m
Ratio to units Internal transfer Unchanged total Units table
37 P5.ST.JC.18121109
Level 3
Adam, Bryan and Chris have some stickers in the ratio of 10 : 3 : 5.
Adam gives Bryan and Chris a total of 40 stickers.
Now they have same number of stickers.
  1. What is the total number of stickers that they have?
  2. What is the number of stickers that Adam gives to Bryan?
  3. What is the number of stickers that Adam gives to Chris?
3 m
Ratio to units Equal stage after Internal transfer Unchanged total Units table
38 P5.ST.JC.18121111
Level 2
Adam is 20 years old.
The total age of Adam and Bryan is 80 years.
How many years ago was the ratio of Adam's age to Bryan's age 1 : 5?
2 m
Ratio to units Unchanged difference Units table
39 P5.RA.NK.23021713
Level 2
There are 264 passengers on board a ship. The ratio of children and adults is 4 : 9. There are 18 more men than women. How many men are there on the ship?
3 m
Ratio to units More than or less than Combined repeated identity Units table Units & parts Substitution
40 P5.ST.JC.18121112
Level 2
Adam is 10 years old. The total age of Adam and Bryan is 50 years. How many years' time will the ratio of Adam's age to Bryan's age be 1 : 3?
2 m
Ratio to units Unchanged difference Units table

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