41 P5.ST.JC.18121020
Level 3
4 children have the same number of stickers at first.
Adam's number of stickers is tripled.
Bryan's number of stickers is quadrupled.
Chris' number of stickers is doubled.
David's number of stickers is halved.
In the end, they have 950 stickers.
  1. How many stickers does Adam have in the end?
  2. How many stickers does Bryan have in the end?
  3. How many stickers does Chris have in the end?
  4. How many stickers does David have in the end?
4 m
Fraction of a set Times as many Equal stage before All change Working backwards Units table
42 P6.ST.JC.18121401
Level 3
Fill in the blanks.
Adam has 20% more stickers than Bryan and
25% more stickers than Chris.

  1. Who is the repeated identity? Give the answer in number. (Eg Adam = 1; Bryan = 2; Chris = 3)
  2. Number of stickers that Chris has = _____ u
  3. Total number of stickers = _____ u
  4. Difference in the number of stickers between Bryan and Chris = _____ u
4 m
Percent to units Repeated identity Units table
43 P6.ST.JC.18121402
Level 3
Fill in the blanks.
Adam has 20% more stickers than Bryan and
Bryan has 40% more stickers than Chris.

  1. Who is the repeated identity?
    Give the answer in number. (Eg Adam = 1; Bryan = 2; Chris = 3)
  2. Number of stickers that Chris has = _____ u
  3. Total number of stickers = _____ u
  4. Difference in the number of stickers between Adam and Chris = _____ u
4 m
Percent to units More than or less than Repeated identity Units table
44 P6.ST.JC.18121403
Level 3
Fill in the blanks.
Adam has 20% more stickers than Bryan and
30% less stickers than Chris.

  1. Who is the repeated identity?
    Give the answer in number. (Eg Adam = 1; Bryan = 2; Chris = 3)
  2. Number of stickers that Chris has = _____ u
  3. Total number of stickers = _____ u
  4. Difference in the number of stickers between Bryan and Chris = _____ u
4 m
Percent to units Repeated identity Units table
45 P6.ST.JC.18121425
Level 3
Fill in the blanks.
The ratio of adults to children is 1 : 2.
The ratio of boys to girls is 3 : 5.
Use LCM and find the following.

  1. Number of adults = _____ u
  2. Number of boys = _____ u
  3. Difference in the number of boys and girls = _____ u
  4. Total number of people = _____ u
4 m
Ratio to units Combined repeated identity Units table
46 P6.ST.JC.18121427
Level 3
Fill in the blanks in whole numbers or decimals only.
The ratio of adults to children is 1 : 2.
The ratio of boys to girls is 3 : 5.
The number of women to men is 2 : 3.
Let the number of children be 2 u.

  1. Number of adults = _____ u
  2. Number of boys = _____ u
  3. Number of women = _____ u
  4. Difference between the number of boys and women = _____ u
4 m
F Multiplication Combined repeated identity Decimal units Units table
47 P5.RD.JM.17083132
Level 2
A bag contains blue and green marbles in the ratio of 2 : 5. There is a total of 91 marbles in the bag. How many more blue marbles must be added into the bag so that the number of blue marbles will be the same as the number of green marbles?
2 m
Ratio to units More than or less than Equal stage after Units table Unchanged quantity
48 P6.RD.TL.16010153
Level 2
Natalie has 3 times as many buttons as Xuan. Xuan has 23 as many buttons as Fiona. If the three of them have a total of 110 buttons, how many buttons does Natalie have?
2 m
Fraction to units Times as many Repeated identity Units table
49 P4.ST.JC.18120940
Level 3
Adam has 200 red and blue stickers.
He sells 40 red stickers and the number of blue stickers becomes 3 times as many as red stickers.
  1. How many more blue stickers than red stickers does Adam have at first?
  2. How many less red stickers than blue stickers does Adam have in the end?
4 m
Times as many Unchanged quantity Model Comparison Units table
50 P4.ST.JC.18120941
Level 3
Adam has 200 red and blue stickers.
He buys 40 red stickers and the number of red stickers becomes 3 times as many as blue stickers.
  1. How many more red stickers than blue stickers does Adam have at first?
  2. How many less blue stickers than red stickers does Adam have in the end?
4 m
Times as many Unchanged quantity Model Comparison Units table
51 P6.RD.JO.21042212
Level 2 PSLE
Mary has a number of pens in three colours: yellow, orange and purple. 310 of the pens are yellow. The number of yellow pens is twice the number of orange pens. What fraction of the pens is purple?
2 m
Fraction of a set Fraction to units Times as many Repeated identity Units table
52 P6.RA.JC.16010101
Level 2
The ratio of Henry's age to Mark's age is 9 : 5. Last year, their average age was 20. How old will Mark be in 5 years' time?
2 m
Ratio to units Average Units table
53 P4.ST.JC.18120942
Level 3
Adam has 2 times as many red stickers as blue stickers.
He gives away 30 blue stickers.
Adam has 3 times as many red stickers as blue stickers.
  1. How many more red stickers than blue stickers does Adam have at first?
  2. How many less blue stickers than red stickers does Adam have in the end?
4 m
Times as many Unchanged quantity Model Comparison Units table
54 P6.RD.JO.21042226
Level 2 PSLE
At a shop, the price of the blouse is 35 the price of the vest. The price of the dress is half the price of the blouse. What is the ratio of the price of the vest to the price of a dress to the price of the blouse?
2 m
Fraction to units Finding ratio Repeated identity Units table
55 P4.ST.JC.18120943
Level 3
Adam has 3 times as many red stickers as blue stickers.
He buys another 30 blue stickers.
Adam has equal number of red and blue stickers.
  1. How many more red stickers than blue stickers does Adam have at first?
  2. How many blue stickers and red stickers does Adam have in the end?
4 m
Times as many Equal stage after Unchanged quantity Model Comparison Units table
56 P4.ST.JC.18120944
Level 3
Adam and Bryan have 100 stickers.
If Adam gives Bryan 30 stickers, they will have equal number of stickers.
  1. How many stickers does Adam have?
  2. How many stickers does Bryan have?
4 m
Equal stage after Internal transfer Unchanged total Model Comparison Units table
57 P6.RD.JO.21042227
Level 2 PSLE
A bag contains marbles of three different colours. 15 of the marbles are blue. The ratio of the number of pink marbles to that of orange marbles is 2 : 3. What is the ratio of the number of blue marbles to that of orange marbles?
2 m
Fraction to units Finding ratio Combined repeated identity Units manipulation Units table
58 P6.RA.JC.23030109
Level 2 PSLE
The table shows the number of children at a sports club from July to September.
  1. Find the ratio of the number of children in July to August to September. Give your answer in the simplest form.
  2. The ratio of the number of children in September to October was the same as the ratio of the number of children in July to August. How many children were there in October?
2 m
Finding ratio R Simplest form Equivalent ratio
59 P5.RD.JM.17083157
Level 2
The number of apples is 12 the number of oranges. The number of mangoes is four times that of apples. What is the ratio of the number of oranges to the total number of fruits?
2 m
Fraction to units Finding ratio Times as many Repeated identity Units table
60 P6.RD.JC.16010137
Level 2 PSLE
The ratio of the number of banana tarts to strawberry tarts is 3 : 5. The ratio of the number of kaya tarts to the total number of banana tarts and strawberry tarts is 5 : 1. What fraction of the tarts are strawberry tarts?
2 m
Fraction of a set Ratio to units Combined repeated identity Units manipulation Units table

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