21 P6.RA.JC.16010101
Level 2
The ratio of Henry's age to Mark's age is 9 : 5. Last year, their average age was 20. How old will Mark be in 5 years' time?
2 m
Ratio to units Average Units table
22 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
23 P5.RA.JM.17083121
Level 2
A square ABCD is made up of 4 small squares, 2 large squares and 2 large triangles. What is the ratio of the area of the shaded squares to the shaded triangle, as shown in the diagram?
2 m
Finding ratio Area perimeter Square Triangle
24 P5.RA.JM.17083003
Level 2
The perimeter of the triangle is 1 m. What is the ratio of the length of the shortest side to the length of the longest side of the triangle?
2 m
Finding ratio Unit conversion Length Triangle
25 P5.RA.JM.17083111
Level 2
The table shows the savings of 4 children. Which 2 children have savings in the ratio 7: 12 respectively? Give your answers in letters. (Eg A, B)
2 m
Finding ratio R Simplest form
26 P5.RA.JM.17083117
Level 2
Manny designed a logo using three ovals. The areas of the ovals were in the ratio of 1 : 4 : 13. He then shaded some parts of the logo as shown. What was the ratio of the shaded area to the unshaded area of the logo?
2 m
Finding ratio Ratio to units Overlapping area Units method
27 P6.RA.TL.16010135
Level 2
The ratio of Liam's to Mark's money is 7 : 9. The ratio of Mark's to Ian's money is 8 : 1. If Liam has $112, how much less does Ian have than Mark?
2 m
Ratio to units Money Repeated identity Units table
28 P5.RA.JM.17083144
Level 1
3 months : 1 year = _____ : _____
2 m
R Simplest form Unit conversion
29 P5.RA.JM.17083145
Level 1
40 weeks : 2 years = ______ : ______
2 m
R Simplest form Unit conversion
30 P6.RA.JC.17072201
Level 2 PSLE
The pupils in a class are divided equally into Team A and Team B. The ratio of the number of boys to the number of girls in Team A is 2 : 1 and in Team B, it is 4: 11. What is the ratio of the number of boys to the number of girls in a class?
2 m
Finding ratio Ratio to units Equal stage Combined repeated identity Units table Units manipulation

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