1 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
2 P6.PC.JC.18010804
Level 2 PSLE
A shop sells shirts in four different sizes. The table shows the number of T-shirts sold in June for size S, M and L but not XL.
  1. 50% of the shirts sold were in size M. How many of the shirts sold were in size XL?
  2. In July the number of shirts sold in size XL remained the same but there was an increase in the number of shirts sold in the other sizes. Did the percentage of the shirts sold in size XL (1) increase, (2) decrease or (3) remain the same from June to July? Give the answer in number. (Eg 1)
2 m
Percent of a set Percent change by Unchanged quantity Table
3 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
4 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
5 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
6 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
7 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
8 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
9 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
10 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

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