RATIO

61 P6.RA.JC.23030110

Level 3
The number of boys and girls in a hall were in the ratio 2 : 7. After 15 boys entered the hall and half the number of girls left the hall, the ratio of the number of boys to girls became 1 : 1. How many children were there in the hall at first?

2 m

Attempt

62 P5.RA.JC.17122908

Level 2
Reena had 50-cent and 20-cent coins in the ratio of 4 : 5. The total value of the coins was $12. How many 50-cent coins did Reena have?

2 m

Attempt

W Multiplication & division Money Unit conversion Number x value Units method

63 P5.RA..JC.17122901

Level 2
Amin has a number of $2 and $5 notes in the ratio of 7: 4. The total value of all the notes is $306. How many $5 notes does Amin have?

2 m

Attempt

Ratio to units Money Number x value Units table

64 P5.RA.NK.22122914

Level 2
Liam and Tim share a bunch of chikoos in the ratio 5 : 3. If Liam gives Tim 23 chikoos from his share, they will have the same number of chikoos. How many chikoos does Liam have at first?

2 m

Attempt

Ratio to units Equal stage after Internal transfer Units equations Units table

65 P6.RA.NK.21060201

Level 2 PSLE
One box of 15 apples cost $8 each. Three friends shared the cost of 60 apples in the ratio 1 : 2 : 5. What was the cost for the smallest share?

2 m

Attempt

Ratio to units Min-max Units method

66 P5.RA.JM.17083108

Level 2
Faith is 12 years old and her sister is twice as old as she is. What will be the ratio of Faith's age to her sister's age in 8 years' time?

3 m

Attempt

Finding ratio R Simplest form Times as many

67 P5.RA.JM.17083112

Level 3
At first, Adelyn had $154 and Eunice had $298. Then Eunice spent $89 on a pair of jeans and Adelyn received $200 from her grandfather. In the end, what is the ratio of the amount of money Adelyn had to the amount of money Eunice had? Give your answer in the simplest form.

3 m

Attempt

Finding ratio R Simplest form Money

68 P6.RA.TL.16010134

Level 3
Wendy and Anna have $294. Violet and Wendy have $493. The ratio of Anna to Violet is 1 : 2. How much does Wendy have?

3 m

Video Attempt

[Ratio to units Money Repeated identity Model Units method

69 P6.RA.NK.17082801

Level 3
The figure, not drawn to scale, shows a rectangle, WXYZ, which is divided in 4 parts, A, B, C, D. The ratio of the area of D to the area of C is 1 : 3. The ratio of the area of C to the area of B is 2 : 7. If the area of A is 238 cm² , what is the area of the rectangle WXYZ?

3 m

Video Attempt

Area Perimeter Rectangle Ratio to units Repeated identity Units table

70 P5.RA.JM.17083127

Level 3
The figure, not drawn to scale, is made up of 3 equilateral triangles and 3 squares. Find the ratio of the length AB to the length CD to the length EF. (Express your answer in its simplest form).