Questions

From Best to Worst

306 P6.DA.TL.18011918

Level 3
Four children made the following statements. Winnie : The average of Yoko's mass and my mass is 39 kg. Xtra : I am the heaviest. Yoko : Zane is 2 kg lighter than Xtra. Zane : Our masses are in consecutive order (In running sequence). What is the total mass of Winnie, Xtra and Yoko ?

3 m

Attempt

307 P5.ST.JC.18121142

Level 2
Adam has 200 red stickers, blue stickers and green stickers.
40% of the stickers are blue.
There are 10 more red stickers than green stickers.

How many green stickers are there?
How many less red stickers than blue stickers?

2 m

Attempt

Percent of a set Percent to units More than or less than Units & parts

308 P5.RD.JM.17083202

Level 3
The ratio of saloon cars to the total number of cars on display in Ken's car shop was 2 : 7. ²₅ of the remaining bikes on display were family cars and the rest were electric cars and sports cars in the ratio of 10 : 3. If there were 16 more electric cars than saloon cars, how many sports cars were there?

4 m

Attempt

Ratio to units Fraction to units More than or less than Combined repeated identity Remainder concept Units table

309 P6.SP.TL.18012240

Level 3
Elsa and Jason started biking at 10.45 a.m. along an 8-km trail. Elsa took 24 minutes to reach the finishing point. Jason's speed was 15 km/h slower than Elsa's. At what time did Jason reach the finishing point?

3 m

Video Attempt

DST triangle Average speed Different speed Same starting time Unit conversion Start end time More than or less than

310 P5.ST.JC.18121143

Level 3
Adam has 200 red stickers, blue stickers, yellow stickers and green stickers.
20% of the stickers are red.
40% of the stickers are blue.
The rest are yellow and green stickers.
There are 10 more yellow stickers than green stickers.