201 P5.RA.JM.17083136
Level 2
The ratio of three sides of a triangle is 4 : 5 : 3. If the perimeter of the triangle is 60 cm, how long is the longest side of the triangle?
2 m
Ratio to units Area Perimeter Units method
202 P4.ST.JC.18120972
Level 1
Adam saves $8.70.
He saves 3 times as much as Bryan.
How much does Adam save more than Bryan?
2 m
D Multiplication D Division More than or less than Model Times-as-many Units method
203 P6.DE.JO.21060205
Level 1 PSLE
5000 mℓ of water was poured into 2 containers equally. How many litres of water were there in one container?
2 m
D Division MRDL Volume Unit conversion Units method
204 P6.ME.NK.21060320
Level 2 PSLE
Pauline answered 40 questions in a quiz. She took 3 min for each of the first 10 questions and twice as long for each of the remaining questions. The quiz started at 1.45 p.m. At what time did she complete the quiz?
2 m
Time Unit conversion Start end time Duration Timeline Times as many Units method
205 P6.AG.JC.17080429
Level 3
During a sale, a watch with a selling price of $180 was given 2n% discount. If Fina bought it at the discounted price, how much did she save?
2 m
Algebra in 1 variable Discount Units method
206 P5.RA.JM.17083133
Level 2
Patricia is preparing a fruit punch by mixing syrup with water in the ratio of 2 : 3. How much syrup is needed if 18 litres of water is used?
2 m
Ratio to units Volume Units method
207 P4.AN.JM.17092804
Level 2
In the figure, AB is perpendicular to BC. ∠ABD is twice as large as ∠CBD. Find ∠ABD.
2 m
Right angle Model Times-as-many Units method
208 P6.ME.JC.21031801
TRY FOR FREE
Level 2
A group of 6 boys booked a badminton court for 2 hours. They took turns to play. Each boy played an equal amount of time. At any time, there were 4 boys playing on the court. How long did each boy play on the court? Express your answer in min.
2 m
Attempt
Unit conversion Duration Units method
209 P4.ST.JC.18120973
Level 2
Adam pays $2.40 for a sticker and a marble.
The sticker costs 3 times as much as the marble.
  1. What is the cost of 1 sticker?
  2. How much is the cost of 4 marbles and 2 stickers?
4 m
D 4 operations Model Times-as-many Model Stacking Units method
210 P6.ST.JC.18121406
Level 2
Fill in the blanks.
Adam has some stickers.
Bryan gives him more stickers.
The number of stickers that Adam has increases by 25%.

  1. Number of stickers that Adam has at first = _____ u
  2. Number of stickers that Bryan gives him = _____ u
  3. Number of stickers that Adam has in the end = _____ u
3 m
Percent change by Percent to units Units method
211 P4.ST.JC.18120974
Level 1
Adam saves $2.50.
Bryan saves 3 times as much money as Adam.
Chris saves $1.90 less than Bryan.
How much money does Chris save?
3 m
D 4 operations Model Comparison Model Times-as-many Units method
212 P6.ST.JC.18121407
Level 3
Fill in the blanks.
Adam and Bryan share some stickers.
When Adam gives 10 to Bryan, Bryan's share increases by 20%.

  1. Number of stickers that Bryan increases by in percentage = _____%
  2. Number of stickers that Bryan has in the end in percentage = _____ %
  3. _____% of Bryan's stickers is the same as 10.
  4. Number of stickers that Bryan has at first = _____
4 m
Percent change by Units method
213 P6.ME.JC.22050604
Level 2 PSLE
A group of 5 girls booked a tennis court for 3 hours and took turns to play. At any time, there were 4 girls playing on the court. On average, how long did each girl play on the court? Give the answer in hours and minutes.
2 m
Unit conversion Duration Units method
214 P4.AP.NK.23050807
Level 2
ABCD and CEFG are squares and MFPN is a rectangle. Given that AB = 3 cm, and the length of NP is four times the length of AB, find the length of MG.
2 m
Length Square Rectangle Rectilinear figure Times as many Units method
215 P4.ST.JC.18120975
Level 2
Adam buys a sticker, a marble and a bead for $7.50.
The sticker costs $3.50 more than the marble.
The bead costs 3 times as much as the marble.
How much is 4 marbles and 3 stickers?
4 m
D 4 operations Model Comparison Model Times-as-many Model Stacking Units method
216 P6.ST.JC.18121409
Level 3
Fill in the blanks.
Adam and Bryan share some stickers.
When Adam gives 10 to Bryan, Adam's share decreases by 20%.

  1. Number of stickers that Adam decreases by in percentage = _____%
  2. Number of stickers that Adam has in the end in percentage = _____ %
  3. _____% of Adam's stickers is the same as 10.
  4. Number of stickers that Adam has at first = _____
4 m
Percent change by Units method
217 P6.ST.JC.18121410
Level 3
Fill in the blanks.
Adam has some stickers.
Adam gives some stickers away.
The number of stickers decreases by 25%.

  1. Number of stickers that Adam has at first = _____ u
  2. Number of stickers that Adam gives away = _____ u
  3. Number of stickers that Adam has in the end = _____ u
3 m
Percent to units Percent change by Units method
218 P6.FR.JC.17053009
Level 3 PSLE
Lynn had a bottle of oil. She used an equal amount of oil each day. At the end of the 12th day, 13 of the bottle was left. At the end of the 14th day, the amount of oil left was 100 mℓ .  What was the amount of oil in the bottle at first? Express the answer in mℓ .
2 m
Fraction of a whole F Addition & subtraction Volume Units method
219 P5.FR.JM.17083064
Level 2
John spent $90 on a webcam. This was 56 of his savings. How much savings had he left?
2 m
Fraction of a whole Money Units method
220 P6.ST.JC.18121405
Level 2
Fill in the blanks.
Adam has some stickers.
Bryan gives him more stickers.
The number of stickers that Adam has now is an increase of 25% compared to what he has at first.

  1. Number of stickers that Adam has at first = _____ u
  2. Number of stickers that Bryan gives him = _____ u
  3. Number of stickers that Adam has in the end = _____ u
3 m
Percent change by Percent to units Units method

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