Questions

From Worst to Best

281 P6.AN.NK.17050210

Level 3
In the figure not drawn to scale, O is the centre of the circle and RSU and PST are straight lines. If ∠TSU = 54° and ∠RSO is twice of ∠OSP, find ∠Q.

4 m

Attempt

Isosceles triangle Circle Angles at a point Sum of angles in a quadrilateral Angles properties within a circle Times as many Units method

282 P5.WN.JC.17083289

Level 3
At first, there were 410 more men than women at an exhibition. At lunch time, a total of 250 men and women left the exhibition. There were as many men as women who left the exhibition. In the end, there were 3 times as many men as women who remained behind. How many men were at the exhibition at first?

4 m

Attempt

More than or less than Times as many Unchanged difference Units table

283 P4.DE.NK.22120624

Level 3
The total length of a string, a rope and a ribbon is 42.7 m. The ribbon is 14 m longer than the string. The rope is 5 times as long as the string. Find the difference in length between the rope and the ribbon.

4 m

Attempt

D 4 operations Length Times as many Model Comparison Model Times-as-many Units method

284 P4.FR.JM.17103186

Level 3
A piece of lace is 5 m long. April cuts ³₅ of the lace to tie a curtain. She then divides the remaining lace into 2 pieces; one piece is twice as long as the other. What is the length of the longer piece in metres?

4 m

Attempt

Fraction to units F 4 operations Money Times as many Model Part-whole Units method

285 P4.FR.JM.17103188

Level 3
There are a total of 260 pieces of 10-cent coins, 20-cent coins and 50-cent coins in Joey's piggy bank. ²₅ of these coins are 10-cent coins. The number of 50-cent coins is thrice the number of 20-cent coins.