61 P5.RA.NK.22123018
Level 3
The ratio of the number of $2-notes to $10-notes in Dana's bag was 1 : 3. Dana exchanged 14 pieces of $10-notes for $2-notes. She then had an equal number of $2-notes and $10-notes. What was the total value of $2-notes and $10-notes in Dana's bag at first?
4 m
Ratio to units Money Equal stage after Number x value Proportional exchange Units equations Units table
62 P5.RA.NK.23021760
Level 3
Shiyun, Kimberly and Yoko had jelly beans in the ratio of 8 : 4 : 3. After Shiyun gave 6 jelly beans to Kimberly and Yoko, the three of them had the same number of jelly beans. Find the total number of jelly beans the children had.
4 m
Ratio to units Equal stage after All change Units table
63 P6.RD.TL.16010126
Level 3
Queenie baked 390 cookies and cupcakes. After she gave 0.3 of the cookies and 0.4 of the cupcakes to her friends, she was left with an equal number of cookies and cupcakes. How many cookies had she left?
4 m
Decimal to units Equal stage after All change Units table Units manipulation
64 P2.DA.JM.17121912
Level 2
The graph shows the favourite flowers of the group of students.
  1. How many students like Rose and Orchid?
  2. How many more students like Tulip than Lily?
  3. How many number of flowers will be added to tulips to have the same number with roses?
5 m
Picture graph W 4 operations More than or less than Equal stage after
65 P2.DA.JM.17121918
Level 3
The graph shows the number of stamps 3 girls collected. Study the graph and answer the following.
  1. Who collected 10 stamps? Give the answer in number. (Eg 1)
  2. Which 2 girls collected a total of 26 stamps? Give the answer in numbers. (Eg 1, 2)
  3. How many stamps must Ann give to Jen so that both of them would have the same number of stamps?
5 m
Picture graph W 4 operations More than or less than Equal stage after Internal transfer
66 P4.DE.JC.17100405
Level 3
A tank contained 3.7 ℓ more water than a pail. After some water was poured from the tank to the pail, both the tank and the pail had 6 ℓ of water each. How much water was there in the pail at first?
3 m
D 4 operations Volume Equal stage after Internal transfer Model Comparison Units table
67 P6.PC.TL.16010145
Level 3
If Yvonne gives Oscar $27, the amount of money she has will be 25% of his. If Oscar gives Yvonne $12, he will have the same amount of money as her. How much money did each of them have?
(a) Oscar
(b) Yvonne
4 m
Percent to units Money Equal stage after Internal transfer Unchanged total Double if Units table Decimal units
68 P5.FR.JC.17083135
Level 3
Mrs. Ben made 248 more white chocolate cookies than dark chocolate cookies. After she gave away 57 of the white chocolate cookies and 13 of the dark chocolate cookies, there were an equal number of white chocolate cookies and dark chocolate cookies left. How many white chocolate cookies did she give away?
3 m
Fraction of a set Fraction to units More than or less than Equal stage after Common numerator All change Units table
69 P6.RD.TL.16010114
Level 3
Lisa and Gillian had a total of 64 beads. Lisa gave 13 of her beads to Gillian. In return, Gillian gave 15 of the total number of beads that she had to Lisa. In the end, each girl had the same number of beads. How many beads did Gillian have at first?
4 m
Fraction to units Equal stage after Internal transfer Unchanged total Working backwards Units table Units & parts Substitution
70 P5.RD.JM.17083335
Level 3
A coin bank contains some twenty-cent and fifty-cent coins in the ratio of 4 : 5. When 16 fifty-cent coins were taken out and replaced by some twenty-cent coins, the ratio became 8 : 7. The total value of the twenty-cent coins added was the same as the total value of the fifty-cent coins taken out. Find the sum of money in the coin box.
5 m
Ratio to units Money Equal stage after Number x value Proportional exchange Units equations Units table Units & parts Elimination

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