Questions

From Worst to Best

66 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

67 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

68 P6.DA.TL.16010102

Level 3
Farmer Nick has 4 rabbits. The mass of Rabbit G is the same as the average mass of the 4 rabbits. Rabbit H weighs 5 kg less than the average mass of the 4 rabbits. The mass of Rabbit I is 7 kg more than the average mass of the 4 rabbits. The mass of Rabbit J is 34 kg. Find the total mass of the 4 rabbits.

3 m

Attempt

Average Mass More than or less than Units table

69 P6.SP.TL.18012241

Level 3
Cain and Lea started driving at 9.30 a.m. from City A and headed towards City B which was 312 km away. Cain took 4 hours to complete his journey. Lea's average speed was 2 km/h faster than Cain's. At what time did Lea arrive at City B?

3 m

Attempt

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

70 P6.DA.TL.18011919

Level 3
The mass of 4 children, Mandy, Nellie, Peter and Richie were taken. Only 3 children can be weighed at one time. Mandy, Nellie and Peter weighed a total of 55 kg. Nellie, Peter and Richie weighed a total of 56 kg. Mandy, Peter and Richie weighed a total of 57 kg. Mandy, Nellie, and Richie weighed a total of 60 kg. What is the average mass of the 4 children?

3 m

Video Attempt