Questions

From Worst to Best

71 P6.DE.JM.17032802

Level 3
After Mr Lim had stacked up 10 chairs in the Conference Room after a meeting, he noticed 3 things. Firstly, each of the chairs was stacked the same height above the other. Secondly, the foot of the 4th chair was 37.5 cm above that of the first. Thirdly, the chairs reached a height of 205.2 cm. What is the height of each chair?

4 m

Video Attempt

72 P6.FR.TL.16010140

Level 3
The length of Bamboo Pole G is ¹₄ of the length of Bamboo Pole H and the length of Bamboo Pole H is ¹₃ of the length of Bamboo Pole I and ¹₁₀ of the length of Bamboo Pole J. What fraction of the total length of the 4 planks is Bamboo Pole I?

3 m

Attempt

Fraction to units Repeated identity Units table Units manipulation

73 P6.AP.TL.17090768

Level 3
The perimeter of the figure formed by 3 squares, A, B and C, is 54 cm. The length of Square C is ¹₂ the length of Square B. The length of Square A is twice the length of Square B. Find the area of Square A.

3 m

Attempt

Length Square Fraction to units Times as many Units method

74 P6.PA.JC.17111310

Level 3
Each figure is made up of a number of identical sticks of 1-cm length.

Find the perimeter of Figure 50.
Find the number of sticks in Figure 100.
Given that a figure has a perimeter, P, of 254 cm, find the number of squares in this figure.

4 m

Attempt

Equal intervals Area Perimeter

75 P6.AP.TL.17090771

Level 3
Rectangle WXYZ is made up of an unshaded rectangle, an unshaded square and two shaded rectangles. The area of the square is 25 cm² and the perimeter of the unshaded rectangle is 78 cm. What is the total area of the 2 shaded rectangles?