Questions

From Worst to Best

86 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

87 P6.ST.JC.18121458

Level 2
Fill in the blanks.
Adam has thrice as many stickers as Bryan.
Both receive 10 stickers each.
In the end, Adam has twice as many stickers as Bryan.

Difference in the number of stickers between Adam and Bryan = _____ u
Number of stickers that Adam and Bryan have in the end = _____ u
Number of stickers that Adam receives = _____ u
1 u = _____

4 m

Video Attempt

Times as many Unchanged difference Units table

88 P6.ST.JC.18121459

Level 2
Fill in the blanks.
The ratio of the number of boys to the number of girls in Class A is 3 : 2.
The ratio of the number of boys to the number of girls in Class B is 4 : 5.
The number of boys is the same.

Number of boys in Class A = _____ u
Number of girls in Class B = _____ u
Number of children in Class B = _____ u
Total number of children = _____ u

4 m

Video Attempt

Ratio to units Equal stage Units table Units manipulation

89 P6.DA.NK.21060937

Level 2
The average height of some children is 160 cm. There is an equal number of boys and girls. The average height of the boys is 170 cm. Find the average height of the girls. Give your answer in cm.

2 m

Attempt

Average Number x value Equal stage More than or less than Units table

90 P6.ST.JC.18121460