41 P5.ST.JC.18121157
Level 3
Adam has some blue stickers and red stickers.
The number of blue stickers is increased by 20% to 60.
The number of red stickers is increased by 30% to 65.
  1. How many stickers are there at first?
  2. How many stickers are there in the end?
3 m
Percent of a set Percent change by Percent of different bases All change Units method
42 P5.ST.JC.18121158
Level 3
Adam has some blue stickers and red stickers.
The number of blue stickers is decreased by 20% to 160.
The number of red stickers is decreased by 30% to 70.
  1. How many stickers are there at first?
  2. How many stickers are there in the end?
3 m
Percent of a set Percent change by Percent of different bases All change Units method
43 P5.ST.JC.18121159
Level 3
Adam has some blue stickers and red stickers.
The number of blue stickers is increased by 20% to 60.
The number of red stickers is decreased by 30% to 70.
  1. How many stickers are there at first?
  2. How many stickers are there in the end?
3 m
Percent of a set Percent change by Percent of different bases All change Units method
44 P6.PC.JC.21060209
Level 2 PSLE
At first, Binbin had 75 dolls and some soft toys. After she gave away 25 dolls and 20% of the soft toys, she had a total of 74 dolls and soft toys. How many soft toys did Binbin have at first?
3 m
Percent to units All change Units table
45 P5.ST.JC.18121160
Level 3
If Adam's income is increased by 50% and
Bryan's amount is decreased by 30%,
both will get $2100 each.
  1. How much is Adam's income?
  2. How much is Bryan's income?
  3. What is the difference between Adam's income and Bryan's income?
3 m
Percent of a set Percent change by Percent of different bases Equal stage after All change Units method
46 P6.FR.JO.21042217
Level 3 PSLE
Ian had a total of 810 long and short rulers. After selling an equal number of both types, he had 13 of the long rulers and 16 of the short ones left. What was the total number of rulers left?
3 m
Fraction to units Common numerator All change Units table
47 P6.RA.TL.16010132
Level 3
The ratio of the number of scones to the number of muffins in a bakery was 2 : 3. After 4 scones and 8 muffins were packed into each box, there were a total of 7 scones and 1 muffin left. Find the total number of scones and muffins in the bakery at first.
4 m
Ratio to units All change Units table Units & parts Elimination
48 P6.RA.TL.16010127
Level 3
Howard and Sam had some money at first. Howard received 4 times as much money as Sam every fortnight. At the end of 2 fortnights, both of them had the same amount of money. If Sam had $1500 at first and Howard had $1900 at the end of those 2 fortnights, what was the ratio of Howard's money to the total amount of money at first?
4 m
Finding ratio Times as many Equal stage after All change Units table
49 P6.RA.TL.16010117
Level 3
Betty had an equal number of $2 and $10 notes. After spending 43 pieces of $10 and 19 pieces of $2 notes, the ratio of the $2 notes to $10 notes left was 5 : 1. Find the value of the notes left.
4 m
Ratio to units Money Equal stage before All change Units equations Units table
50 P6.RA.TL.16010118
Level 3
Fiona had an equal number of $5 and $10 notes. After spending 40 pieces of $10 and 16 pieces of $5 notes, the ratio of the $5 notes to $10 notes left was 4 : 1. Find the value of the notes at first.
4 m
Ratio to units Money Equal stage before All change Units equations Units table
51 P6.RD.TL.16010197
Level 3
Jane and Wendy had equal amount of money. Each day, Jane spent $4 and Wendy spent $5. When Jane had $60 left, Wendy had 45 as much money left as Jane. How much money did the two girls have at first?
4 m
Fraction to units Money Equal stage before All change Units equations Units table
52 P5.ST.JC.18121169
Level 3
Adam has some blue stickers and red stickers.
If Adam gives away 50 blue stickers,
the blue stickers will be 10% as many as the red stickers.
If Adam gives away 250 red stickers,
the blue stickers will be 40% as many as the red stickers.
  1. How many blue stickers are there?
  2. How many red stickers are there?
4 m
Percent to units All change Double if Units table Unchanged quantity Units & parts Substitution
53 P5.RD.NK.22123011
Level 3
Emma and Peter had a total of $47. After Emma spent 37 of her money and Peter spent $2, the ratio of Emma's money to Kenneth's money became 1 : 2. How much money had Peter at first?
4 m
Fraction to units Ratio to units Repeated identity All change Units table
54 P5.RD.JM.17083322
Level 3
The number of lava cakes on display at a cafe was 34 of the number of cupcakes on display. After 20 lava cakes were bought and the staff added another 30 cupcakes, the number of cupcakes was twice the number of lava cakes. The last group of customers bought 5 cupcakes each, finishing all the cupcakes on display. How many customers were there in the last group?
4 m
Fraction to units Times as many Repeated identity All change Units table Units equations
55 P5.ST.JC.18121170
Level 3
Adam has some blue stickers and red stickers.
If Adam receives another 50 blue stickers,
the blue stickers will be 50% as many as the red stickers.
If Adam gives away 50 red stickers,
the blue stickers will be 40% as many as the red stickers.
  1. How many blue stickers are there?
  2. How many red stickers are there?
4 m
Percent to units All change Double if Units table Unchanged quantity Units & parts Substitution
56 P6.RD.NK.21060208
Level 3 PSLE
Allie had a total of 225 pink and blue beads. She used 45 pink beads and 60% of the blue beads. After that, the ratio of the number of pink beads to blue beads Allie had was 1 : 2.
  1. What fraction of her blue beads did Allie use? Give your answer in the simplest form.
  2. How many beads did Allie have in the end?
4 m
Fraction of a set F Simplest form Ratio to units Percent to units All change Units table
57 P5.RD.JM.17083213
Level 3
50% of Amin's money was $350 less than Dave's money. When Amin spent 45% of her money and Dave spent 60% of his money, they had the same amount of money left. Find the amount of money Dave had at first.
4 m
Percent of a whole Percent to units Percent of different bases Money More than or less then Equal stage after Common numerator All change Units table
58 P5.ST.JC.18121171
Level 3
Adam has some blue stickers and red stickers.
If 500 blue stickers are added, 30% of the stickers will be red stickers.
If 500 red stickers are added, 20% of the stickers will be blue stickers.
  1. How many blue stickers are there?
  2. How many red stickers are there?
4 m
Percent of a set Percent to units All change Double if Units table Units & parts
59 P5.RD.NK.22123024
Level 3
Justin had $59.10 less than Betty. He spent 57 of his money on a stapler which cost $10.50. Betty spent 29 of her money on a vest. How much had Betty left?
4 m
F Addition & subtraction Fraction to units Money All change Units table Units & parts Substitution
60 P6.RD.TL.16010162
Level 3
Betty, Xuan and Ruth had a total of 1552 pens. Betty gave 13 of her pens away. Ruth gave away 5 times as many pens as Betty and Xuan gave away 267 pens. In the end, they had 523 pens left. How many pens did Xuan and Ruth have in total in the end?
4 m
Fraction to units Times as many All change Units table

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