136 P6.RD.NK.21060207
Level 3 PSLE
At first, the ratio of the number of boys to the number of girls in a club was 4 : 1. After 10 boys and 10 girls joined the club, the ratio became 3 : 1.
  1. Did the percentage of members who were girls increase (1), decrease (2) or remain the same (3)? Give your answer in number. (Eg Increase = 1)
  2. In the end, how many boys were there in the club?
3 m
Ratio to units Percent change to Unchanged difference Units table
137 P6.FR.TL.16010107
Level 2
George's age is 25 his brother's age now. In 16 years' time, his age will be 23 that of his brother's. How old is George now?
2 m
Fraction to units Unchanged difference Units table
138 P6.RA.NK.21060202
Level 1 PSLE
Charles has a number of 10¢, 20¢ and 50¢ coins in the ratio 4 : 2 : 1. The total value of all the coins is $156. What is the total value of the 20¢ coins?
3 m
Ratio to units Money Unit conversion Number x value Units table
139 P6.FR.TL.16010106
Level 2
There were 57 as many parents as kids on a bus. At the first bus stop, 9 parents and 9 kids boarded the bus. There were then 45 as many parents as kids. How many parents were on the bus at first?
2 m
Fraction to units Unchanged difference Units table
140 P6.PA.JM.18011212
Level 3
The figure shows a 5-sided figure with diagonal lines drawn within it.
  1. Complete the table.
  2. Find the number of diagonals of a figure with 15 sides.
3 m
Repeated patterns Sum of conseutive

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