1 P2.ST.JC.18120723
Level 2
Adam has 100 stickers.
Bryan has 60 stickers.

  1. What is the difference in the number of stickers between Adam and Bryan?
  2. How many stickers must Adam give away to be the same as Bryan?
  3. How many stickers must Bryan get to be the same as Adam?
4 m
W Addition & subtraction Equal stage after Unchanged quantity Model Comparison
2 P6.PC.JC.22031501
Level 2 PSLE
A box contained black balls and green balls. 40% of the balls were green. After some red balls were added to the box, 28% of the balls were green. What percentage of the balls in the box were red?
2 m
Percent of a set Percent to units Percent of different base Unchanged quantity Units table Units & parts Substitution
3 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
4 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
5 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
6 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
7 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
8 P6.RD.TL.16010102
Level 2
1104 people went to a park. 38 were adults. Some children left halfway and the ratio of the number of adults to the number of children became 6 : 7. How many children left the park halfway?
2 m
Fraction to units Ratio to units Unchanged quantity Units table
9 P6.RD.TL.16010101
Level 2
In a room, 57 of the girls wore cardigans. After 86 girls who wore cardigans left the room, the percentage of girls who wore cardigans decreased to 10%. How many girls in the room did not wear cardigans?
2 m
Fraction to units Percent change to Percent to units Unchanged quantity Units table
10 P6.RD.TL.16010103
Level 2
At a stadium, there were 40 children from Club W and 10% more children from Club X. Some children from Club X left and the ratio of the number of children from Club W to the number of children from Club X became 5 : 2. How many children from Club X left?
2 m
Ratio to units Percent of a set More than or less than Unchanged quantity Units table
11 P5.RD.JC.17083111
Level 2
25% of the flowers Annie had were red. If she bought an equal number of red flowers, what percentage of the flowers would be red then?
2 m
Finding percent Percent of a set Unchanged quantity
12 P6.RD.JC.16010104
Level 2
At a supermarket, 20% of the fish were guppies and the rest were dory fish. 40% of the dory fish were sold. What was the ratio of the number of dory fish to the number of guppies in the end?
2 m
Finding ratio Percent to units Unchanged quantity Units table
13 P5.RD.JM.17083239
Level 2
There was an equal number of boys and girls in the hall. When 10% of the girls left the hall, there were 5 more boys than girls remaining in the hall. How many children remained in the hall?
2 m
Percent of a set More than or less than Equal stage before Unchanged quantity Units table
14 P6.ST.JC.18121447
Level 2
Fill in the blanks.
The ratio of Adam's stickers to Bryan's stickers is 2 : 3.
Adam gives 10 stickers away.
The ratio of Adam's stickers to Bryan's stickers becomes 1 : 2.

  1. Whose number of stickers has not changed? Give the answer in number. (Eg Adam = 1; Bryan = 2)
  2. Number of stickers that Bryan has = _____ u
  3. Change in the number of stickers that Adam has = _____ u
  4. 1 u = _____
4 m
Ratio to units Unchanged quantity Units table
15 P6.ST.JC.18121448
Level 3
Fill in the blanks in whole numbers or decimals.
2 boys, Adam and Bryan, share some stickers.
Bryan has 20% of the total.
If Bryan receives extra stickers,
his number of stickers increases by 50%.

  1. Number of stickers that Bryan has at first = _____ u
  2. Change in the number of stickers that Bryan has = _____ u
  3. Number of stickers that Bryan has in the end = _____ u
  4. Number of stickers that Adam has in the end = _____ u
4 m
Percent of a whole Percent change by Percent to units Unchanged quantity Units table Decimal units
16 P6.ST.NK.18121469
Level 3
Fill in the blanks in whole numbers or decimals.
2 boys, Adam and Bryan, share some stickers.
Bryan has 20% of the total.
If Bryan gives away some stickers,
his number of stickers decreases by 25%.

  1. Number of stickers that Bryan has at first = _____ u
  2. Change in the number of stickers that Bryan has = _____ u
  3. Number of stickers that Bryan has in the end = _____ u
  4. Number of stickers that Adam has in the end = _____ u
4 m
Percent of a whole Percent change by Percent to units Unchanged quantity Units table Decimal units
17 P6.RA.TL.16010101
Level 2
The ratio of kiwis to watermelons is 2 : 5. If 304 watermelons were added, the ratio of kiwis to watermelons will be 3 : 17. How many kiwis are there?
2 m
Ratio to units Unchanged quantity Units table
18 P6.ST.JC.18121449
Level 3
Fill in the blanks in whole numbers or decimals.
2 boys, Adam and Bryan, share some stickers.
Bryan has 20% of the total stickers.
If Bryan receives extra stickers,
his number of stickers increases to 30%.

  1. Number of stickers that Bryan has at first = _____ u
  2. Change in the number of stickers that Bryan has = _____ u
  3. Number of stickers that Adam has at first = _____ u
  4. Number of stickers that Adam has in the end = _____ u
4 m
Percent of a whole Percent change to Percent to units Unchanged quantity Units table
19 P6.ST.JC.18121420
Level 3
Fill in the blanks.
Number of boys at first is 30% of the children.
Number of boys is then increased to 40%.

  1. Number of boys at first = _____ u
  2. Number of boys in the end = _____ u
  3. Increase in the number of boys = _____ u
  4. Number of children in the end = _____ u
4 m
Percent to units Percent change to Unchanged quantity Units table
20 P6.RA.TL.16010102
Level 2
The ratio of coconuts to mangosteens is 2 : 7. If 348 mangosteens are added, the ratio of coconuts to mangosteens will be 2 : 11. How many more mangosteens than coconuts are there in the end?
2 m
Ratio to units More than or less than Unchanged quantity Units table

5 per page

10 per page

20 per page

Symbols

x2
x3
₵
$
⊥
//
∠
°
π
%
:
\[ \]
STUDENT
Navigations
Contact Us
Members
Links