Questions

From Worst to Best

36 P6.DA.JC.23030804

Level 2
The graph shows the temperature of water in a pot from 08 00 to 08 30.

For how many minutes was the temperature of the water 50°C and below?
During which two 5-minute intervals did the temperature of water decrease at the same rate?
What was the change in temperature per minute from 08 25 to 08 30? Give your answer in °C per minute.

3 m

Attempt

37 P6.RD.TL.16010181

Level 3
In a school, 0.8 of the girls and 0.3 of the boys take part in CCAs. There is an equal number of boys and girls who do not take part in CCAs. If 378 pupils do not take part in CCAs, how many more pupils take part in CCAs than those who do not take part in CCAs?

4 m

Attempt

Decimal to units More than or less than Equal stage Combined repeated identity Remainder concept Units table Units manipulation

38 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.

Find the ratio of Mrs Zhang's spending to Mrs Lin's to Mrs Yap's.
How much did Mrs Zhang spend?

4 m

Video Attempt

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

39 P6.FR.JO.21042214

Level 3 PSLE
Rael, Sam and Fred had 180 stickers altogether. Rael gave ³₁₀ of his stickers to Sam and ¹₅ of his stickers to Fred. After that, all three boys had the same number of stickers. What was the difference in the number of stickers between Sam and Fed at first?

3 m

Attempt

Fraction of a set F Addition & subtraction Internal transfer unchanged total Equal stage after Units table

40 P6.RD.TL.16010198

Level 3
Two hours ago, a stallholder started his day with some durians and apples in the ratio of 5 : 2. There were 100 apples. Some of the durians were bought by Mrs Olivia. As a result, the number of durians became ³₅ of the apples.