Level 2
The figure is not drawn to scale. 100 3-cm cubes are placed layer by layer into a tank with a base area of 20 cm by 15 cm. What is the height of the cubes when all the cubes are stacked up into the tank?
2 m
Level 1 PSLE
The airmail rates to two countries are shown. Demi sent a letter weighing 32 g to Thailand and a letter weighing 10 g to Australia by airmail. How much did she pay altogether?
2 m
Level 2
The table shows the postage charges for sending letters to Malaysia. Victoria posted a letter with a mass of 89 g. How much did she pay for the postage?
2 m
Level 3
At a factory, Bryan could assemble 7 robots in a day while Francis could assemble 4 more robots than him in a day. If Francis was absent for 3 days, how many days would he need to assemble 17 more robots than Bryan?
3 m
Level 3 PSLE
Betty and Zhulian each had a plate of dough of the same mass for making biscuits. The same mass of dough was used for each biscuit. Betty made 40 biscuits and had 50 g of dough left. Zhulian made 10 biscuits and had 1.1 kg of dough left.
  1. What was the mass of dough needed for each biscuit?
  2. With the remaining dough from both girls, how many more such biscuits can be made at most?
4 m