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

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