631 P4.PA.JM.17092408
Level 3
Peter made 76 paper aeroplanes in four days. Each day after the first day, he made 6 less paper aeroplanes than the day before. How many paper aeroplanes did he make on the first day?
3 m
Equal intervals Model Comparison Units method
632 P4.ST.JC.18121032
Level 3
Adam has 240 stickers.
14 of them are red stickers,
18 of them are blue stickers
and the rest are green.
How many green stickers does he have?
4 m
Fraction of a set F Addition & subtraction Common denominator Fraction to units Model Part-whole Units method
633 P5.ST.JC.18121090
Level 3
Adam has 190 stickers.
After 13 of the red stickers and
25 of the blue stickers are given away,
there is an equal number of red and blue stickers left.
  1. How many red stickers are there in the end?
  2. How many more blue stickers are there than red stickers at first?
  3. How many blue stickers are given away?
3 m
Fraction of a set Fraction to units Equal stage after All change Units table
634 P6.FR.JC.22060601
Level 2
Alina spent 16 of her salary on a printer and 23 of the remainder on a notebook. If she saved the remaining $300, how much was her salary?
2 m
Fraction to units F Addition & subtraction Money Remainder concept Model Part-whole Units method
635 P6.FR.JC.17050702
Level 2
Alina spent 16 of her salary on a printer and 23 of the remainder on a notebook. If she saved the remaining $1300, how much was her salary?
2 m
Fraction to units F 4 operations Money Remainder concept Branching Model Part-whole Units method

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