461 P5.PC.JM.17083180
Level 2
Janet and her two sisters shared the bill in a restaurant equally. If each of them paid $22 inclusive of a service charge of 10%, how much is the total service charge?
2 m
Percent to units Money Units method
462 P4.ME.JM.17100365
Level 2
2 h 25 s - 1 14 h =            s
2 m
Unit conversion Time W Addition & subtraction Fractions with units Mixed numbers
463 P4.DE.JM.17101081
Level 2
What is the value of the star?
2 m
D Addition & subtraction Units & parts Substitution
464 P5.DE.JM.17082997
Level 2
Tesssa has $16 worth of coins. 12 of them are 50¢ coins and 5 of them are 20¢ coins. The rest are $1 coins. How many coins does Tesssa have altogether?
2 m
Money Units conversion
465 P5.DA.JM.17083184
Level 2
The average number of cookies in Box A, Box B and Box C is 37. Box A has 33 cookies. The number of cookies in Box B is twice the number of cookies in Box C. What is the number of cookies in Box C?
2 m
Average Times as many Units method
466 P3.ST.JC.18120899
Level 3
Adam has 3 times as many stickers as Bryan.
After Bryan buys another 60 stickers,
he has 2 times as many as Adam.
  1. How many stickers does Bryan have in the end?
  2. How many stickers does Adam have?
  3. How many stickers do they have at first?
  4. How many stickers do they have in the end?
4 m
Times as many Unchanged quantity Model Comparison Units table
467 P4.ST.JC.18121004
Level 3
Adam pays $12 for 4 stickers and 3 marbles.
2 stickers cost as much as 1 marble.
  1. How much is 1 sticker?
  2. How much is 1 marble?
  3. How much is 2 marbles and 3 stickers?
4 m
Equal stage Units method
468 P5.ST.JC.18121063
Level 3
A box is 400 g when it is 13 filled with stickers.
The same box is 700 g when it is 35 filled with stickers.
What is the mass of the empty box?
3 m
Fraction of a set Fraction to units Repeated identity Units method
469 P6.ST.JC.18121457
Level 2
Fill in the blanks.
Adam has twice as many stickers as Bryan.
Both give away 10 stickers each.
In the end, Adam has thrice as many stickers as Bryan.

  1. Difference in the number of stickers between Adam and Bryan = _____ u
  2. Number of stickers that Adam and Bryan have in the end = _____ u
  3. Number of stickers that Adam gives away = _____ u
  4. 1 u = _____ 
4 m
Times as many Unchanged difference Units table
470 P6.RA.JC.23030110
Level 3
The number of boys and girls in a hall were in the ratio 2 : 7. After 15 boys entered the hall and half the number of girls left the hall, the ratio of the number of boys to girls became 1 : 1. How many children were there in the hall at first?
2 m
Ratio to units Equal stage after All change Decimal units Units table
471 P5.PC.NK.22122110
Level 2
70% of a number is 56. What is the number?
2 m
Percent to units Units method
472 P3.ST.JC.18120900
Level 3
Adam has 2 times as many stickers as Bryan.
After Adam gives away 60 stickers,
Bryan has 3 times as many stickers as Adam.
  1. How many stickers does Bryan have?
  2. How many stickers does Adam have at first?
  3. How many stickers do they have at first?
  4. How many stickers do they have in the end?
4 m
Times as many Unchanged quantity Model Comparison Units table
473 P4.ST.JC.18121005
Level 3
Adam pays $12 for 4 stickers and 3 marbles.
6 stickers cost as much as 3 marbles.
  1. How much is 1 sticker?
  2. How much is 1 marble?
  3. How much is 2 marbles and 3 stickers?
4 m
Equal stage Units method
474 P6.ST.JC.18121458
Level 2
Fill in the blanks.
Adam has thrice as many stickers as Bryan.
Both receive 10 stickers each.
In the end, Adam has twice as many stickers as Bryan.

  1. Difference in the number of stickers between Adam and Bryan = _____ u
  2. Number of stickers that Adam and Bryan have in the end = _____ u
  3. Number of stickers that Adam receives = _____ u
  4. 1 u = _____ 
4 m
Times as many Unchanged difference Units table
475 P5.DA.NK.23052614
Level 2
The average height of a persimmon tree, a mango tree and a coconut tree is 2.8 m. The coconut tree is twice as tall as the mango tree and 1.6 m taller than the persimmon tree. Find the average height of the persimmon tree and the mango tree.
2 m
Average Length More than or less than Times as many Units method
476 P5.PC.NK.22122111
Level 2
After Jenson spent 20% of his money, the amount of money he had left was $324 more than the amount he had spent. How much money had Jenson at first?
2 m
Percent to units Money More than or less than
477 P3.ST.JC.18120901
Level 3
Adam has 3 times as many stickers as Bryan.
After Bryan gives away 60 stickers,
Adam has 6 times as many as Bryan.
  1. How many stickers does Bryan have in the end?
  2. How many stickers does Adam have?
  3. How many stickers do they have altogether at first?
  4. How many stickers do they have altogether in the end?
4 m
Times as many Unchanged quantity Model Comparison Units table
478 P4.ST.JC.18121006
Level 3
Adam pays $26 for 4 stickers and 3 marbles.
2 stickers cost as much as 5 marbles.
  1. How much is 1 sticker?
  2. How much is 1 marble?
  3. How much is 2 marbles and 3 stickers?
4 m
Equal stage Units method
479 P6.DA.NK.21060926
Level 2 PSLE
The average mass of 3 boys, Abel, Benny, Charlie, is 44 kg. Abel is heavier than Benny by 6 kg. The total mass of Abel and Benny is the same as the mass of Charlie. What is the mass of Abel?
2 m
Average Mass More than or less than Units method
480 P5.DA.NK.23052616
Level 2
Natalie, Emily, Henry and Aaron have an average of $50. The total amount Natalie and Emily have is $36 more than the total amount Henry and Aaron have. Natalie has $35. How much does Emily have?
2 m
Average Money More than or less than Times as many Units method

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