11 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
12 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
13 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
14 P5.ST.JC.18121078
Level 3
14 of the people are adults.
58 of the remainder are boys.
There are 70 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
15 P5.ST.JC.18121087
Level 2
Adam has some stickers.
He gives away equal number of stickers each day.
After 5 days,
he has 23 of the stickers left.
After another 7 days, he has 21 stickers left.
How many stickers does he have at first?
2 m
Fraction of a set F 4 operations Units method

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