Questions

From Worst to Best

76 P5.VO.JM.17083113

Level 2
The length of a cuboid is 200 cm. Its breadth is ¹₄ that of its length and its height is ¹₂ as long as its breadth. Find the volume of the cuboid in ℓ.

2 m

Attempt

77 P3.ST.JC.18120882

Level 3
230 stickers are in 3 packets.
The 1st packet has 3 times as many stickers as the 2nd packet.
The 3rd packet is 20 less than the 2nd packet.
How many less stickers are there in the 3rd packet and 2nd packet than in the 1st packet?

4 m

Attempt

Model Comparison Model Times-as-many Units method

78 P6.AG.JC.17080435

Level 1
Anne is n years old now. 4 years ago, Anne was 2 times as old as Bernice. How old was Bernice 4 years ago?

2 m

Video Attempt

Algebra in 1 variable Algebra simplifying Times as many Units method

79 P3.ST.JC.18120883

Level 3
240 stickers are in 3 packets.
The 1st packet has 2 times as many stickers as the 2nd packet.
The 3rd packet is 3 times as many stickers as the 2nd packet.
How many less stickers are there in the 3rd packet and 2nd packet than in the 1st packet?

4 m

Attempt

Model Comparison Model Times-as-many Units method

80 P6.AG.JC.17080436

Level 2
Amy is r years old. Her mother is 4 times as old as her. What is their total age in 6 years' time?

2 m

Attempt

Algebra in 1 variable Algebra simplifying Times as many

5 per page

10 per page

20 per page