76 P6.FR.TL.16010137
Level 3
Ruth, Queenie and Cathy were playing with beads. Ruth started with 72 beads and then she gained 13 more beads from Queenie. In the second game, Ruth lost 38 of her original number of beads to Cathy. Queenie lost as many beads as Ruth to Cathy. In the final game, Ruth gained 12 of her original number of beads from Queenie. All of them ended up with the same number of beads.
  1. How many beads did Ruth have in the end?
  2. How many beads did Queenie have at first?
5 m
F Multiplication Equal stage after Internal transfer Working backwards Units table
77 P6.FR.TL.16010131
Level 3
Three girls, Isabelle, Zoe and Diana had a total of 1680 marbles. Some exchanges were made. First, Isabelle gave Zoe as many marbles as Zoe had. After that, Zoe gave 34 of whatever she had then to Diana. Finally, Diana gave 27 of whatever she had to Isabelle. As a result, they each had the same number of marbles. How many marbles did Isabelle have at first?
5 m
Fraction to units Equal stage after Unchanged total Working backwards Units table Units & parts & boxes Substitution
78 P6.AP.TL.17090842
Level 3
This figure is not drawn to scale. Wheel A and Wheel B are touching a vertical plastic sheet. The ratio of the radius of the small wheel A to the radius of the big wheel B is 2 : 5. The total radii of Wheel A and Wheel B is 196 cm. Both wheels are rolled out in opposite direction shown until they are 2660 cm apart. The two wheels need to make the same number of revolutions. How many revolutions does each wheel make assuming that each wheel must make a complete revolution? (Take π = 227)
5 m
Circumference Ratio to units Distance apart Equal stage Units method
79 P6.WN.TL.16010103
Level 3
The total price of 6 grapefruits and 4 avocados is the same as that of 10 grapefruits and 3 avocados. Each grapefruit costs $3 less than each avocado. How much does each avocado cost?
3 m
W 4 operations Money Unit Conversion More than or less than Equal stage Units equations Units & parts Substitution
80 P6.WN.JC.17010111
Level 3 PSLE
Wesley had 11 jars of balls. At first, each of the jars contained the same number of balls. He took out 24 balls from each jar. After that, the total number of balls left in the 11 jars was equal to the total number of balls in 3 of the jars at first. What was the number of balls in each jar at first?
3 m
W 4 operations Equal stage Redistribute Number x value Units table Units equations

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