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
31 P5.RA.JM.17083147
Level 1
108 cm : 2.4 m = _____ : _____
2 m
R Simplest form Unit conversion Length
32 P5.RA.JM.17083146
Level 1
2 kg : 550 g = ______ : ______
2 m
R Simplest form Unit conversion Mass
33 P6.RA.JC.17072202
Level 2 PSLE
A rope was first cut into two pieces in the ratio 3 : 2. The longer piece was then cut into two pieces in the ratio 3 : 1. Among the three pieces, the length of the shortest piece was 6 cm. What was the length of the rope before it was first cut?
2 m
Ratio to units Length Combined repeated identity Remainder concept Units table
34 P5.RA.JM.17083114
Level 2
The perimeter of a rectangle is 88 cm. The length of the rectangle is 24 cm. What is the ratio of the length of the rectangle to the breadth of the rectangle? Give your answer in the simplest form.
2 m
Finding ratio R Simplest form Area Perimeter
35 P5.RA.JM.17083122
Level 2
A square PQRS is made up of 2 small squares, 4 small triangles and 2 large triangles. PS and QR are straight lines. Find the ratio of the area of the shaded parts to the area of the unshaded parts in PQRS. Express your answer in the simplest form.
2 m
Finding ratio R Simplest form Area Perimeter Square Triangle
36 P5.RA.NK.22122106
Level 2
Julian has $300. Cole has $200 less than Julian. Mark has $350 more than Cole. Find the ratio of Julian's money to Mark's money to Cole's money.
2 m
Finding ratio R Simplest form More than or less than
37 P5.RA.JC.21022701
Level 2
24 : 27 : 3 = 16 : _____ : 2
2 m
R Simplest form Equivalent ratios
38 P5.RA.JM.17083004
Level 2
How many more stars must be shaded so that the ratio of the number of shaded stars to the total number of stars is 2 : 3?
2 m
Equivalent ratio More than or less than
39 P6.RA.JC.17050709
Level 2
Salik had some $2 notes and $5 notes. The ratio of his $2 notes to $5 notes was 7 : 2. If Salik had a total of $240, how many pieces of notes did he have altogether?
2 m
Ratio to units Money Number x value Units table
40 P6.RA.TL.16010156
Level 2
The number of $5, $10 and $20 notes in a piggy bank is in the ratio of 2 : 7 : 3. The notes are worth $2520 altogether. Find the total number of $5 and $10 notes.
2 m
Ratio to units Money Number x value Units table

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