646 P6.FR.JC.19071602
Level 2
Alina spent $1300 on a printer. Of the remaining salary, she spent 16 on a notebook. She had 25 of the original total left. How much was her salary?
2 m
Fraction to units Money Remainder concept Common numerator Units method
647 P6.RD.JO.21042213
Level 2 PSLE
Alex saved a total of $138 in coins in his coin box. 23 of all the coins saved were one-dollar coins. There were 3 times as many one-dollar coins as twenty-cent coins. The remaining coins were fifty-cent coins. How many coins did Alex save in his coin box altogether?
3 m
Fraction to units Times as many Repeated identity Combined repeated identity Number x value Decimal units Units table
648 P6.ST.JC.18121321
Level 2
11 - 1 u = 3 p
21 - 3 u = 3 p

Find the following values.
  1. 1 u
  2. 1 p
2 m
W 4 operations Units & parts Substitution Units equations
649 P5.RD.JM.17083232
Level 3
At the school's annual band concert, 40% of the students were from upper primary and the rest were from lower primary. The entrance fee to the concert for each upper primary student and each lower primary student was $8 and $6 respectively. The total entrance fees collected for all the tickets was $5440. How many students were at the concert?
3 m
Percent of a set Percent to units Money Number x value Units table
650 P4.ST.JC.18121027
Level 3
Adam has some stickers
He gives away 13 of the stickers and
an additional 16 stickers away to Bryan.
Adam has 30 stickers left.
How many stickers does he have at first?
3 m
Fraction of a set Fraction to units Model Part-whole Units method

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