21 P5.ST.JC.18121050
Level 3
Some stickers are packed into exactly packets of 7.
If the stickers are repacked into packets of 10,
there are 4 less packets and 2 stickers extra.
  1. How many packets are there?
  2. How many stickers are there?
3 m
Redistribute Number x value Units equations Units table
22 P6.ST.JC.18121375
Level 2
Fill in the blanks.
The number of boys is 4 times as many as the number of girls.
The number of adults is twice the number of children.
Let the number of girls be 1 u.

  1. Number of boys = _____ u
  2. Number of adults = _____ u
  3. Total number of people = _____ u
3 m
W 4 operations Times as many Combined repeated identity Units table
23 P5.ST.JC.18121051
Level 3
Some stickers are packed into exactly packets of 7.
If the stickers are repacked into packets of 10,
there are 4 less packets and needs 6 more stickers to make another packet.
  1. How many packets are there?
  2. How many stickers are there?
3 m
Redistribute Number x value Units equations Units table
24 P5.ST.JC.18121011
Level 2
There are 3 times as many dogs as birds.
There are 210 legs altogether.
  1. Find the number of animals.
  2. Find the number of less dogs than birds.
  3. Find the number of more dogs' legs than birds' legs.
3 m
Number x value Units table
25 P6.DA.NK.21060931
Level 1 PSLE
The table shows the charges for bicycle rental. Colin rented a bicycle for 3 hours. How much did he pay?
1 m
Tiered rate Fraction of a whole F division Money Duration
26 P5.ST.JC.18121012
Level 2
Adam has $800 in $5-notes and $10-notes.
There are 3 times as many $5-notes as $10-notes.
  1. How many notes are there?
  2. How much is the value of all the $10-notes?
3 m
Money Number x value Units table
27 P5.ST.JC.18121014
Level 1
Adam and Bryan have a total of 1000 stickers.
Adam gives Bryan 100 stickers.
Now, they have the same number of stickers.
  1. How many stickers does Adam have at first?
  2. How many stickers does each have in the end?
3 m
Equal stage after Internal transfer Unchanged total Units table
28 P5.ST.JC.18121015
Level 2
Adam and Bryan have a total of 1000 stickers.
Adam gives Bryan 100 stickers.
Now, Adam has 200 more than Bryan.
  1. How many stickers does Adam have at first?
  2. How many stickers does Bryan have in the end?
3 m
More than or less than Internal transfer Unchanged total Units table
29 P5.ST.JC.18121016
Level 2
Adam has 800 stickers.
Bryan has 200 stickers.
Bryan receives some stickers from Adam.
Now, Adam has 100 more stickers than Bryan.
  1. How many stickers does Adam have in the end?
  2. How many stickers does Bryan have in the end?
  3. How many stickers does Adam give to Bryan?
3 m
More than or less than Internal transfer Unchanged total Units table
30 P5.ST.JC.18121017
Level 3
Adam has 300 stickers more than Bryan.
Adam gives Bryan 20 stickers.
Now, Adam has 3 times as many stickers as Bryan.
  1. How many stickers does Adam have in the end?
  2. How many stickers does Bryan have in the end?
3 m
More than or less than Times as many Internal transfer Units table
31 P5.ST.JC.18121021
Level 2
Adam is 25 years old.
Bryan is 5 years old.
In a few years' time, Adam will be 3 times as old as Bryan.
  1. In how many years' time will Adam be 3 times as old as Bryan?
  2. How old will Adam be by that time?
3 m
Times as many Unchanged difference Units table
32 P5.ST.JC.18121022
Level 2
Adam is 35 years old.
Bryan is 15 years old.
A few years ago, Adam was 3 times as old as Bryan.
  1. How many years ago was Adam 3 times as old as Bryan?
  2. How old was Adam then?
3 m
Times as many Unchanged difference Units table
33 P5.ST.JC.18121023
Level 2
Adam has 90 red stickers.
He has 3 times as many red stickers as blue stickers.
After he buys an equal number of red and blue stickers, the number of red stickers is 2 times that of the blue stickers.
  1. How many red stickers are there in the end?
  2. How many blue stickers are there in the end?
  3. How many stickers are there in the end?
  4. How many stickers does Adam buy?
4 m
Times as many Unchanged difference Units table
34 P6.PC.JC.22031501
Level 2 PSLE
A box contained black balls and green balls. 40% of the balls were green. After some red balls were added to the box, 28% of the balls were green. What percentage of the balls in the box were red?
2 m
Percent of a set Percent to units Percent of different base Unchanged quantity Units table Units & parts Substitution
35 P5.ST.JC.18121024
Level 2
Adam has 80 red stickers.
He has 2 times as many red stickers than blue stickers.
After he gives away an equal number of red and blue stickers,
the number of red stickers is 3 times that of the blue stickers.
  1. How many red stickers are there in the end?
  2. How many blue stickers are there in the end?
  3. How many stickers are there in the end?
  4. How many stickers does Adam give away?
4 m
Times as many Unchanged difference Units table
36 P6.ME.JC.23030114
Level 1 PSLE
The train schedule for the train is shown.
Nick misses the 8.30 a.m. train by 45 minutes. What is the earliest time he can reach the airport by train?
2 m
Am pm Start end time Duration Table
37 P5.ST.JC.18121025
Level 2
Adam and Bryan have the same amount of money.
Adam spends $10 and Bryan spends $50.
In the end, Adam has 3 times as much money as Bryan.
  1. How much does each of them have at first?
  2. How much does Adam have more than Bryan in the end?
3 m
More than or less than Times as many Equal stage before All change Units table
38 P5.ST.JC.18121026
Level 2
Adam and Bryan have the same amount of money.
Adam receives $50 and Bryan receives $10.
In the end, Adam has 3 times as much money as Bryan.
  1. How much does each of them have at first?
  2. How much does Adam have more than Bryan in the end?
3 m
More than or less than Times as many Equal stage before All change Units table
39 P5.ST.JC.18121018
Level 3
Adam, Bryan and Chris have 48 stickers.
When Adam gives Bryan some stickers, Bryan's stickers is doubled.
When Bryan gives some stickers to Chris, Chris' stickers is doubled.
In the end, they have the same number of stickers each.
  1. How many does each child have in the end?
  2. How many stickers does Chris have at first?
  3. How many stickers does Bryan have at first?
  4. How many stickers does Adam have at first?
4 m
Times as many Equal stage after Internal transfer Working backwards Units table
40 P5.ST.JC.18121019
Level 3
4 children have some stickers.
Adam's number of stickers is tripled.
Bryan's number of stickers is quadrupled.
Chris' number of stickers is doubled.
David's number of stickers is halved.
In the end, all have 60 stickers each.
  1. How many stickers does Adam have at first?
  2. How many stickers does Bryan have at first?
  3. How many stickers does Chris have at first?
  4. How many stickers does David have at first?
4 m
Fraction of a set Times as many Equal stage after All change Working backwards Units table

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