146 P4.WN.JM.17102382
Level 3
Risa and Isabelle had 856 stamps altogether. They decided to play a game. In the first round, Isabelle lost 58 stamps to Risa. In the second round, Risa lost 38 stamps to Isabelle. At the end of the two rounds, Isabelle had thrice as many stamps as Risa.
  1. How many stamps did Risa have in the end?
  2. How many stamps did Isabelle have at the beginning of the game?
4 m
W 4 operations Times as many Internal transfer Working backwards Units table
147 P4.WN.JM.17102346
Level 3
Halim, Garret and Clement went shopping. Halim and Garret spent a total of $245. Halim and Clement spent $605 altogether. Clement spent 3 times as much as Garret.
  1. How much did Garret spend?
  2. How much did Halim spend?
4 m
W 4 operations Money Repeated identity Units & parts & boxes Elimination
148 P4.WN.JM.17102298
Level 2
3 stars + 2 moons = 8
2 stars + 2 moons = 6

Find
  1. 1 star
  2. 1 moon
4 m
W 4 operations Units & parts Substitution
149 P4.WN.JM.17102300
Level 2
3 bowls of noodles and 1 plate of chicken rice cost $13. 4 bowls of noodles cost the same as 3 plates of chicken rice. How much does a bowl of noodles cost?
4 m
W 4 operations Money Equal stage Units & parts Substitution
150 P4.WN.JM.17102411
Level 3
2 books and 2 files cost $13.
5 books and 4 files cost $30.
Find the cost of 1 book.
4 m
W 4 operations Money Units & parts Elimination

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