1 P6.RA.JC.17072203
Level 1 PSLE
In a group of 70 children, 49 are girls. What is the ratio of the number of boys to the number of girls?
1 m
Finding ratio R Simplest form
2 P6.RA.JC.17072204
Level 1 PSLE
There are 45 biscuits in a box. 27 of them have raisins while the rest are plain. What is the ratio of the number of plain biscuits to that of raisin biscuits in the box?
1 m
Finding ratio R Simplest form
3 P6.RA.JC.23030109
Level 2 PSLE
The table shows the number of children at a sports club from July to September.
  1. Find the ratio of the number of children in July to August to September. Give your answer in the simplest form.
  2. The ratio of the number of children in September to October was the same as the ratio of the number of children in July to August. How many children were there in October?
2 m
Finding ratio R Simplest form Equivalent ratio
4 P6.RD.JC.16010112
Level 2
30% of Nick's money is 45% of Sean's money. What is the ratio of Nick's money to Sean's money?
2 m
Finding ratio R Simplest form Percent to fraction Money Common numerator
5 P6.RD.TL.16010121
Level 2
0.7 of Ian's money is equal to 80% of Sean's money. What is the ratio of Ian's money to Sean's money?
2 m
Decimal to units Finding ratio R Simplest form Percent to units Money Common numerator
6 P6.MS.JC.18081022
Level 1
Find the following values without a calculator. Simplify to the simplest form.
  1. 10 : 20 = _____
  2. 130% : 30% =
  3. 1.2 : 0.3 = _____
  4. 15 : 12 = _____
4 m
Fraction to ratio Decimal to ratio Percent to ratio R Simplest form
7 P6.AP.NK.21060408
Level 2 PSLE
Rectangle ACEF is made up of two squares and two rectangles. AB = 2 cm and BC = 3 cm. What fraction of rectangle ACEF is shaded?
2 m
Square Rectangle Triangle Fraction of a whole R Simplest form
8 P6.RD.JC.22031808
Level 3 PSLE
The number of boys and girls taking part in a quiz are in the ratio 4 : 7. These students are put into two groups. 60% of the boys and 30% of the girls are in Group 1. The rest of the students are in Group 2.
  1. What is the ratio of the number of students in Group 2 to Group 1? Give your answer in the simplest form.
  2. The number of boys in Group 2 is fewer than 50. What is the largest possible total number of students taking part in the quiz?
3 m
F Multiplication Finding ratio R Simplest form Ratio to units Percent of a set Sets Min-max
9 P6.DA.NK.21060906
Level 1 PSLE
Mr Lim asked some students to choose their favorite colour for a T-shirt. The results are shown in the graph.
  1. What is the ratio of the number of students who chose purple to the number who chose green to the number who chose yellow?
  2. Mr Yip ordered a total of 360 T-shirts in the three colours according to the same ratio in part (a). How many more yellow than purple T-shirts were ordered?
3 m
Bar graph W 4 operations Finding ratio R Simplest form Units method
10 P6.RD.TL.16010171
Level 3
Three women, Mrs Zhang, Mrs Lin and Mrs Yap went on a shopping spree. 30% of Mrs Zhang's spending is equal to 15 of Mrs Lin's spending. Mrs Yap's spending is 40% more than Mrs Lin's. If Mrs Lin spends another $804, she will spend the same amount of money as Mrs Yap.
  1. Find the ratio of Mrs Zhang's spending to Mrs Lin's to Mrs Yap's.
  2. How much did Mrs Zhang spend?
4 m
Fraction to units Finding ratio R Simplest form Percent to units Percent of different bases More than or less than Equal stage after Repeated identity Common numerator Units table

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