81 P6.ST.JC.18121451
Level 2
Fill in the blanks.
2 boys, Adam and Bryan, have some stickers.
The ratio of Adam's to Bryan's stickers is 2 : 1.
Adam gives 20 to Bryan.
The ratio of Adam's to Bryan's stickers becomes 2 : 3.

  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
Ratio to units Unchanged total Units table
82 P5.RD.JM.17083134
Level 2
The ratio of Kelly's savings to Tricia's savings is 2 : 5. If Kelly saves $24 more and Tricia spends $12, they will have the same amount of money. How much is Tricia's savings?
2 m
Ratio to units Money Equal stage after All change Units table
83 P6.DA.TL.18011911
Level 2 PSLE
A shop sold three brands of pens: Brand A, Brand B and Brand C. The bar graph shows the number of pens sold for each brand in one day.
  1. How many pens were sold altogether?
  2. The shop collected $270 from selling the pens. The prices of Brand A, Brand B, and Brand C pens were in the ratio 1 : 2 : 3. How much money was collected from selling Brand B pens?
2 m
Bar graph Ratio to units Money Number x value Units table
84 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
85 P5.RD.JM.17083131
Level 2
Charles and Lily had the same number of sweets. After Lily gave away 15 sweets and Charles gave away 45 sweets, Lily had 4 times as many sweets as Charles. How many sweets did each of them have at first?
2 m
Ratio to units Times as many Equal stage before All change Units table
86 P5.ST.JC.18121202
Level 3
The average cost of some books is $75.
When another 3 books are added,
the total cost increases by $190.
The average cost becomes $70.
How many books are there in the end?
3 m
2 averages Averaging out Average with unknown quantity Number x value Units equations Units table
87 P6.PC.NK.21060204
Level 2 PSLE
A dancing club has 100 male and 50 female members. 10% of the male members and 40% of the female members are students. What percentage of the members are students?
2 m
Percent of a set Percent of different bases F Multiplication Units table
88 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
89 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
90 P5.RD.JM.17083142
Level 2
There were 40 more dresses than blouses in a shop. After 70 dresses and 30% of the blouses were sold, there were an equal number of dresses and blouses left. How many blouses were there in the shop at first?
2 m
Percent to units More than or less than Equal stage after All change Units table Units equations

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