36 P5.ST.JC.18121062
Level 2
A box is 700 g when it is filled with stickers.
If 35 of the stickers are removed,
the mass of the box with the remaining stickers is 400 g.
What is the mass of the empty box?
2 m
Fraction of a set Fraction to units Repeated identity Units method
37 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
38 P6.RD.JO.21042229
Level 2 PSLE
Sam kept his gold and silver stars in two boxes. The ratio of the number of gold to silver stars in the first box was 1 : 5 and it was 1 : 2 in the second box. The two boxes contained the same number of stars. What fraction of Sam's stars were goId stars?
2 m
Fraction of a set Ratio to units Equal stage Units manipulation Units table
39 P3.ST.JC.18120906
Level 3
Adam has 6 times as many stickers as Bryan.
After Adam gives away half of his stickers,
he has 30 stickers more than Bryan.
  1. How many stickers does Bryan have?
  2. How many stickers does Adam have at first?
  3. How many stickers do they have altogether at first?
  4. How many stickers do they have altogether in the end?
4 m
Fraction of a set More than or less than Times as many Unchanged quantity Model Comparison Units table
40 P5.ST.JC.18121077
Level 2
14 of the people are adults.
56 of the remainder are boys.
There are 30 more boys than adults.
How many people are there?
2 m
Fraction of a set Fraction to units Combined repeated identity Remainder concept Units method Units manipulation

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